Answer: distance = 75ft
displacement = 35ft east
The required displacement of maria to get to the pool is 35 ft and the distance is 75 ft.
What are distance and displacement?To solve this problem, we first need to understand the difference between distance and displacement.
Distance is the total length traveled by an object, regardless of its starting and ending points. In this case, the distance traveled by Maria would be the sum of the distances of each segment of her journey,
Distance = 20 ft + 35 ft + 20 ft = 75 ft
Displacement, on the other hand, is the straight-line distance from the starting point to the ending point, measured in a straight line.
So let's assume the movement of maria on coordinate where North and East are positive movements and West and south are negative now add the distances,
Displacement =20 + 35 - 20 = 35 ft
Thus, the required displacement of maria to get to the pool is 35 ft and the distance is 75 ft.
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Two vectors, X and Y, form a right angle. Vector X is 48 inches long and vector Yis 14 inches long. The length of
the resultant vector is
inches
List the planets that have a diameter of less than 15,000 km.
Answer:
Hey!
Your list goes like this!
MERCURY-- 4,879 km
VENUS-- 12,104 km
EARTH-- 12,756 km
MARS-- 6,779 km
Explanation:
You could add Pluto but it depends as its now called a DWARF PLANET
I HOPE THIS HELPS!!
What is energy?
A.a push or pull
B. A change in the position of an object
C. The ability to cause change in matter
D. Anything that takes up space and has mass
what are 6 things the four states of matter have in common please help asap!
What is the momentum of A 200 kg shark swimming at 15 m/s
Answer:
3000 kg meter per sec
Explanation:
Momentum of an object refers the motion of an object. Momentum depends upon mass and velocity both.
Formula to calculate the momentum of any object is,
Momentum = Mass × Velocity
By substituting values of mass and velocity of the shark from the question,
Momentum of shark = 200 × 15
= 3000 kg meter per second
Therefore, shark weighing 200 kg has the momentum as 3000 kg meter per seconds.
Someone please help me to answer this questions...
Answer:
a.25J
Explanation:
m=0.5kg
g=10
h=5
potential energy=m×g×h
=0.5×10×5
=25J
Basketball is __________ to the United States
Question 4 options:
Native
Foreign
New
Unknown
Answer:
native
Explanation:
bc it was started when we were playing it with baskets
An open system starts with 52 J of mechanical energy. The energy changes
to 45 J of mechanical energy and 2 J of thermal energy. What is the final total
energy of the system?
A. 50 J
B. 54 J
C. 47 J
O D. 9 J
Answer:
ITS C 47
Explanation:
Express 3 x 10-9s in milliseconds
Answer:
3 × 10 to the power minus 6 milliseconds
When we convert 3 x 10⁻⁹ s into milliseconds it would be 3 x 10⁻⁶milliseconds
What are significant figures?In positional notation, significant figures refer to the digits in a number that is trustworthy and required to denote the amount of something, also known as the significant digits, precision, or resolution.
If a number describing the result of a measurement (such as length, pressure, volume, or mass) includes more digits than the number of digits permitted by the measurement resolution, only the digits allowed by the measurement resolution can be significant figures.
As given in the problem we have to convert 3 x 10⁻⁹ s into milliseconds
1 second = 1×10³ milliseconds
3 x 10⁻⁹ seconds = (3 x 10⁻⁹) × (1×10³ )
= 3 x 10⁻⁶milliseconds
Thus, 3 x 10⁻⁹ s converted into milliseconds it would be 3 x 10⁻⁶ milliseconds
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Willie Swift drives a hockey puck into the goal at a speed of 34.8 m/s. From a distance of 60.0 m, how long will it take to reach the net? I need an explanation of how to get it too so I can study that and understand how you guys are able to get that answer! thank you!
When velocity is positive and acceleration is negative, what happens to the object’s motion?
a The object speeds up.
b The object remains at rest.
c Nothing happens to the object.
d The object slows down.
Answer:
Option (D) : The object slows down.
Ten Seconds after starting from rest, a car moving at 40 m/s what is the cars average acceleration
Answer:
[tex]4ms {}^{ - 2} [/tex]
Explanation:
We can use equation of motion to solve this
[tex]v = u + at \\ 40 = 0 + a(10) \\ a = 4m {s}^{ - 2} [/tex]
A body weighs 65N.Calculate it's mass.(g=10N/kg)
Explanation:
Hey there!!
Here,
Weighs = 65n
Gravity = 10n
We know that,
weighs = mass × gravity.
65 = m × 10
[tex]m = \frac{65}{10} [/tex]
Therefore the mass is 6.5 kg.
Hope it helps...
What can affect gravity
Helpppppp!!!
Carlos runs with velocity \vec{v}v →= (5.6 m/s, 29o north of east) for 10 minutes. How far to the north of his starting position does Carlos end up? (Give your answer to the nearest meter)
Answer:
1629 metres
Explanation:
Given that Carlos runs with velocity v = (5.6 m/s, 29o north of east) for 10 minutes.
To the north, the velocity will be:
V = 5.6 × sin 29
V = 2.715 m/s
Convert the time to second
Time = 10 × 60 = 600
Using the formula below
Velocity = distance/ time
Substitute all the parameters into the formula
2.715 = distance/600
Distance = 2.715 × 600
distance = 1629 m
Which statement explains why carbon 14 dating cannot be used to date ancient rocks
Answer:
Carbon-14 decays relatively quickly
Explanation:
i took the test
Do geochemists need to have a knowledge of physical science? Explain your
answer. please help:))
Explain why this statement is incorrect: “If I find something on the Internet, that means it is for public use, and I can do anything I want with it.” I give braininess
Answer:
A personal idea is an idea or concept that is unique to the individual who created it. Reference credit must be given when the idea is used by any person who did not create the concept.
Explanation:
I took the assignment already.
A personal concept is a concept or idea this is unique to the man or woman who created it. Reference credit scores have to receive when the idea is utilized by any individual who did not create the idea.
What is the internet?The net is a big network that connects computers all over the world. through the net, people can percentage information and talk from anywhere with a web connection.
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Refer to the position time graph provided to answer questions #1 thru 5.
1. What is the instantaneous velocity of the object at 5 s?
2. What is the distance the object moves from 0 to 9 seconds?
3. What displacement did the object have between 2 s and 9 s?
4. What was the object's average velocity over the first 5 seconds?
5. How many times does the object change direction of travel? (time zero
does not count and standing still does not count as a direction change)
Answer:
Explanation:
1). To calculate the instantaneous velocity of the object, we will calculate the slope of the line CD.
Since line CD is a straight line, therefore, slope = 0
Hence instantaneous velocity = 0
2). Distance of the object when it moves from 0 to 9 seconds
= Distance traveled from (A to B + B to C + C to D + D to E)
= 3 + (3 + 0.5) + 0 + 0.5
= 7 m
3). Displacement = Distance between initial and the final positions of the object
= 3 - 0
= 3 m
4). Average velocity = [tex]\frac{\text{Displacement}}{\text{Time}}[/tex]
= [tex]\frac{0.5}{5}[/tex]
= 0.1 m per sec
5). Direction changes have been seen at t = 2 sec and t = 4 sec.
Hence object changed its direction of travel 2 times.
what type if data do you call it when a scientists mesure the length of the growing root tip and determine the rate a particular reaction
What does the acronym B.E.E.F. stand for?
Question 5 options:
box-out, elbows out, energize, follow-through
balance, engage, eyes, field goal
block, engage, eyes, free-throw
balance, eyes, elbow in, follow-through
The defense is the team that has possession of the basketball, and is trying to score points.
Question 6 options:
True
False
Question 7 (5 points)
The bounciness of a basketball is most important for which action?
Question 7 options:
Shooting
Passing
Dribbling
Stealing
Question 8 (5 points)
What can you infer about why certain shots are worth three points, and others are only worth two?
Question 8 options:
Three-point shots are taken from longer distances, so they're harder to make
Three-point shots reward players for not committing fouls when they shoot
Three-point shots require shooters to battle through more defensive pressure than two-point shots
Three-point shots can only be taken by guards, while two-point shots can be taken by any player
Question 9 (5 points)
How are free throws different from ordinary shots?
Question 9 options:
They only occur late in games
They're taken by defensive players, not offensive players
They cannot be rebounded
They're each worth one point instead of two or three
Question 10 (5 points)
A player with the basketball has to dribble the ball to be able to move around.
Question 10 options:
True
False
Question 11 (5 points)
All shots in basketball are worth two points.
Question 11 options:
True
False
Question 12 (5 points)
Which skill is least useful on defense?
Question 12 options:
Speed
Strength
Passing Ability
Jumping Ability
Question 13 (5 points)
Who is the inventor of basketball?
Question 13 options:
James Naismith
John Bradshaw
Jerry West
Joe Namath
Question 14 (5 points)
What conclusion can be drawn from the fact that many of the best international players want to play in the NBA?
Question 14 options:
It's easier to join NBA teams than teams in other countries
Many of these players have never been to the United States
Basketball isn't very popular outside the United States
The NBA is the most competitive league in the world
Question 15 (5 points)
Which action is taken only by teams on offense?
Question 15 options:
Rebounding
Blocking
Stealing
Shooting
Question 16 (5 points)
A free-throw is a one point shot from the foul line.
Question 16 options:
True
False
Question 17 (5 points)
Finger-pads, waist level, and eyes up are cues for what skill?
Question 17 options:
Shooting
Stealing
Dribbling
Passing
Question 18 (5 points)
A person should step toward their target when passing the basketball.
Question 18 options:
True
False
Question 19 (5 points)
Any illegal physical contact to a basketball player is a foul.
Question 19 options:
True
False
Question 20 (5 points)
It is important to keep the _________ in when shooting the basketball.
Question 20 options:
Ankle
Foot
Knee
Elbow
Answer:
balance, eyes, elbow in, follow-through
Explanation:
The simplest form of a substance
is called:
A a period
B a property
Can atom
D an atomic number
1. What types of emergency situations could
rescue workers be in that would make it
difficult for them to get energy to their
electrical devices?
Answer:
large-scale natural disasters
Explanation:
The niceties of civilization are generally unavailable over wide areas when they are affected by ...
hurricanesearthquakestornadoesSuch situations often require rescue workers.
Situations such as:
natural disasters, such as flooding.fire disastersFirst, we wonder, who are rescue workers? Basically speaking, a rescue worker is anyone who is trained to bring people out of any harm, danger, or threat that may come their way.
|n such emergency situations, power lines are usually down, and so it may be difficult for them to get the energy needed to power their electrical devices.
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A cannon is fired horizontally from the edge of a 100 meter tall cliff. The muzzle velocity of the cannon is 180 m/s . How far from the base of the cliff does the hall land?
A-.55m
B-813.16m
C-3673.47
D-700m
Answer:
B - 813.16 m
Explanation:
First, find the time it takes to land. Given in the y direction:
Δy = 100 m
v₀ = 0 m/s
a = 9.8 m/s²
Find: t
Δy = v₀ t + ½ at²
100 m = (0 m/s) t + ½ (9.8 m/s²) t²
t = 4.52 s
Now find the distance traveled in that time. Given in the x direction:
v₀ = 180 m/s
a = 0 m/s²
t = 4.52 s
Find: Δx
Δx = v₀ t + ½ at²
Δx = (180 m/s) (4.52 s) + ½ (0 m/s²) (4.52 s)²
Δx = 813.16 m
Why is it important to describe motion in universal terms?
Answer:
Motion requires force to cause that change. The time you take to travel the distance depends upon speed; the distance travelled is measured as the length of a line between the start and end of a motion. It is an important aspect in physics. In our lives motion is important and impacts so many things that we do.
Explanation:
The motion of every object is relative, thus it is important to discuss this motion in universal terms which serves as a reference point.
The motion of an object occurs when there is change in the position of the object with time and the object moves in the direction of the applied force. This motion is influenced by the net force acting on the object.
For example:
The dimension of speed of object in motion is measured with two fundamental quantities (length and time);
speed = LT⁻¹
The motion of every object is relative, thus it is important to discuss this motion in universal terms which serves as a reference point.
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A car with a mass of 1,200 kg travels a distance of 150 m as it moves from
one stoplight to the next. At its fastest, the car travels at 22 m/s. What is its
kinetic energy at this point?
A. 290,400
B. 8,872 J
C. 580,800 J
D. 13,200 J
Answer:
A. 290,400
Explanation:
The kinetic energy of a car is 290,400J.
How to find Kinetic energy?Kinetic energy is directly proportional to the mass of the object and to the square of its velocity: K.E. = 1/2 m v2.
ke = 1/2mv^2
By using the formula, we get
= 1/2 * 1200 * 22^2
= 600 * 484
= 290,400 J
Kinetic energy is a form of energy that an object or a particle has by reason of its motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy.
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A _________ reactive metal replaces a ____________ reactive metal in a chemical reaction. A. Less, more B. More, similar C. Similar, Less D. More, less
The answer is D. A more reactive metal replaces a less reactive metal in a chemical reaction.
10. John has borrowed his parents car without permission and is driving without a license. He
sees them out walking and realizes that they will be home in about 45 seconds. He is 500 m
from home and driving 25 m/s. Will he get to the driveway before they do?
A ball is dropped from rest from a high window of a tall building and falls for 4 seconds. Neglecting air resistance, the final velocity of the ball is?
Answer:
The final velocity of the ball is 39.2 m/s.
Explanation:
Given that,
A ball is dropped from rest from a high window of a tall building.
Time = 4 sec
We need to calculate the final velocity of the ball
Using equation if motion
[tex]v=u+gt[/tex]
Where, v = final velocity
u = initial velocity
g = acceleration due to gravity
t = time
Put the value into the formula
[tex]v=0+9.8\times4[/tex]
[tex]v=39.2\ m/s[/tex]
Hence, The final velocity of the ball is 39.2 m/s.
If an object is 413 Kg in mass and 640 M3. What is the density? Will It Float?
Answer:
The density will be 0.65 kg/m3
I think it won't float!! I am not sure though.