Answer:
2.00 (right on acellus)
Explanation:
doubling the distance between two charges makes F (8.00) quarter, so you would just do 8.00*1/4.
A place that limits a wave’s motion.
Answer:
boundary
Explanation:
Please help
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Answer:
16.2m/s
Explanation:
Kinetic energy=1/2mass*speed squared
KE=1/2mv^2
Data,
KE=85J
M=0.65kg
V=?
85J=1/2(0.65kg)V^2
Cross multiply
2 *85=0.65V^2
Divide both sides by 0.65
170/0.65=v^2
V=✓(170/0.65)
V= 16.172m/s
First option is collect
please help asap no links
answer: the third one
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A spring stretches 2 cm when a 10 N weight hangs on it. How far will it stretch with a weight of 20 N ?
Answer:
4cm
Explanation:
If it's a simple ratio 2cm:10N to ?cm:20N, It should be 4cm:20N.
A 50.0 g golf ball is struck by a driver whose head has a mass of 500.0 kg. The final speed of the golf ball after leaving the tee is 45.0 m/s. Find the final momentum of the golf ball.
A)2.5 kg·m/s
B)5.0 kg·m/s
C)7.5 kg·m/s
D)10.0 kg·m/s
this is my answer sure po ako n tama iyan
A 0.10 kg mass is oscillating on Planet X at a small angle from a light string of length 0.20 m with a period of
0.63 s.
What is the acceleration of gravity on Planet X?
Answer:
the acceleration of gravity on Planet X is 19.89 m/s^2
Explanation:
The computation of the acceleration of gravity on Planet X is shown below:
T = 2π√l ÷ √g
g = l ÷ (T÷ 2π)^2
= 4π^2l ÷ T^2
= 4π^2× 0.2 ÷ 0.63^2
= 19.89 m/s^2
Hence, the acceleration of gravity on Planet X is 19.89 m/s^2
In this way it should be calculated
The same would be relevant and cosnidered
ways by which static electric current can be produced
Answer:.....................
solar panels
A record player has a velocity of 33.33 RPM. How fast is the record spinning in m/s at a distance of 0.085 m from the center?
Answer:
0.297 m/s
Explanation:
It is 0.297 m/s. The study of rotational motion in the absence of forces is known as angular kinematics.
What is angular velocity?The angular velocity of an object is the rate at which it rotates or revolves around an axis in time. The Greek letter omega (, sometimes ) represents angular velocity. The SI unit of angular velocity is radians per second because it is measured in angle per unit time. Angular velocity (w) is a vector quantity in uniform circular motion and equals angular displacement (, a vector quantity) divided by time change (t). The arc length travelled (S) divided by the change in time (t) equals speed, which is also equal to |w|R. An example of angular velocity is a roulette ball on a roulette wheel, a race car on a circular path, and a Ferris wheel.To learn more about Angular Kinematics refer to:
https://brainly.com/question/13572778
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I really need help with this! It is my last assignment of the year!! I will reward whatever I can give for a correct answer!!!!
Answer:
Explanation:
factors effecting time period of shm
Answer:
In fact, the mass m and the force constant k are the only factors that affect the period and frequency of simple harmonic motion.
A laptop computer adapter has a voltage of 19 v it has a resistance of 4.0 Ω and the adapter gets warm when operating. So determine the current going through the adapter
Answer:
Current, I = 4.75 Amps
Explanation:
Given the following data;
Voltage = 19 V
Resistance = 4 Ohms
To find the current;
Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.
Mathematically, Ohm's law is given by the formula;
[tex] V = IR[/tex]
Where;
V represents voltage measured in voltage.
I represents current measured in amperes.
R represents resistance measured in ohms.
Making current (I) the subject of formula, we have;
[tex] I = \frac {V}{R} [/tex]
Substituting into the formula, we have;
[tex] I = \frac {19}{4} [/tex]
Current, I = 4.75 Amps
How efficient is a pulley system if it enables you to lift a 600.0 Newton engine 0.600 meters if you exerted 35.7 Newtons of force while pulling 11.43 meters of rope?
Answer:
η = 0.882 = 88.2 %
Explanation:
The efficiency of the pulley system can be given as follows:
[tex]\eta = \frac{W_{out}}{W_{In}}\\\\[/tex]
where,
η = efficiency of pulley system = ?
W_out = Output Work = (600 N)(0.6 m) = 360 J
W_in = Input Work = (35.7 N)(11.43 m) = 408.051 J
Therefore,
[tex]\eta = \frac{360\ J}{408.051\ J}[/tex]
η = 0.882 = 88.2 %
calculate the pressure exerted by a force of 42N on a surface of 3m length and 2m bredth.[will be marking brainliest and following right answer..]
Answer:
Pressure, P = 7 Pa
Explanation:
Given that,
Force exerted on the surface, F = 42 N
Length, l = 3 m
Width, b = 2 m
We need to find the pressure exerted by this force. We know that, pressure is equal to force per unit area. So,
[tex]P=\dfrac{F}{l\times b}\\\\P=\dfrac{42}{3\times 2}\\\\P=7\ Pa[/tex]
So, the required pressure is equal to 7 Pa.
What is the best description of the destructive interference of light?
A. The crest of one wave overlaps with the trough of another.
B. The crests of two waves intersect.
C. A longitudinal wave meets a transverse light wave.
D. A mechanical wave meets an electromagnetic wave.
Answer: The crest of one wave overlaps with the trough of another
Explanation:
I took the test and got 100%. This is the correct answer
The best description of the destructive interference of light is the crest of one wave overlaps with the trough of another.
What is destructive interference of light?Destructive interference takes place when waves come together in such a manner that they completely cancel each other out or amplitude of the resulting wave decreased.
What is crest and trough?The highest surface part of a wave is called the crest, and the lowest part is the trough.
To learn more about Destructive interference here
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Over what period of time will be birr 500 amount to birr 900 at the rate of 8% simple interest?
The time taken is 10 years.
What is simple interest?The term simple interest is an interest that is charged only on the principal and not on the interest.
We have the following;
Principal = 500 birr
amount = 900 birr
rate = 8%
Interest = 900 birr - 500 birr = 400 birr
400 = 500 × 8 × T/100
400 × 100 = 500 × 8 × T
T = 400 × 100/500 × 8
T = 10 years
Learn more about simple interest:https://brainly.com/question/2793278
Answer:
10 years
Explanation:
To solve this first we have to find the simple interest.
Let us find it now.
Interest = birr 900 - birr 500
= birr 400
Now we are having,
Amount = birr 900
Principal = birr 500
Interest = birr 400
rate = 8%
Period of time = ?
Let us use the formula to find the period of time.
Simple interest = Principal × Rate × Time ÷ 100
birr 400 = birr 500 × 8 × t ÷ 100
birr 400 × 100 = 4000t
40000 = 4000t
Divide both sides by 4000.
10 = t
Therefore, the time is 10 years.
Let me know if you have any other questions. :-)
Fill in the blanks to complete this sentence.
The principle of conservation of energy states that energy can never be .......................
nor ....................
but is only ...................
from one energy store to another.
Answer:
can mn ever be created nor destroyed transformed transferd
Answer:
the principal of conservation states that energy can not be created or destroyes but it only transfer from one form to another
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To find velocity, you need to know the total:
A.distance of the motion
b.distance, time and direction of the motion
C.time of the motion
d.distance and time of the motion
Answer:
distance and time of the motion
Which phrase best describes a car that is slowing down?
Answer:
D.The car has zero acceleration
Answer:A
Explanation:
The rubber ducky has a mass of 5 grams and a volume of 75 mL. How much water does he displace?
5 grams or 75 mL
Answer:
Volume displaced by ducky = 75 mL = 7.5 x 10⁻⁵ m³
Mass displaced by the ducky = 7.5 x 10⁻² kg = 75 grams
Explanation:
The ducky will displace the volume of the water equal to its own volume.
Volume displaced by ducky = 75 mL = 7.5 x 10⁻⁵ m³
And the mass displaced by ducky will be equal to:
Mass displaced by the ducky = (Density of Water)(Volume displaced by ducky)
Mass displaced by the ducky = (1000 kg/m³)(7.5 x 10⁻⁵ m³)
Mass displaced by the ducky = 7.5 x 10⁻² kg = 75 grams
What happens after condensation to cause precipitation?
A. The sun heats water on the Earth's surface.
B. Water is absorbed into the ground.
C. Clouds fill with moisture and get too heavy.
D. Excess water runs downhill.
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What happens after condensation to cause precipitation
The sun heats water on the Earth's surface.An automatic switch that opens when the current reaches a set value is called:
a. surge suppressor
C. circuit breaker
b. relay
d. fuse
Please select the best answer from the choices provided
Does anyone knows the answer??
Answer:
yaa
Explanation:
Explanation:
: magnitude, direction : least : linear velocity or velocity : velocity : magnitudei am sooo sorry it will take a lot of time if I copy the sentences,. all answers are correct.
hope this helps you to.
true or false: a light source can emit more than one light ?
Answer:
yes
Explanation:
because it emits more than one ray of light energy
HELPPPP I HAVE A TEST TODAY AND I LITERALLY CAN'T WITH THIS
In a children’s soccer game, one of the children kicks the ball from the ground, giving it an initial velocity of 22 m/s at an angle of 62° to the horizontal. Determine the initial vertical and horizontal velocity components.
If you post links I will report u so I suggest u don't
The horizontal component of velocity is
(22 m/s) • cosine(62°).
The vertical component of velocity is
(22 m/s) • sine(62°).
These are the original components, right after the kick. As time goes on, the horizontal one doesn't change. But the vertical one gets bigger and bigger, because gravity is accelerating the ball downward.
That's the complete story of projectile motion.
what would happen to our vision if the lens of our eyes were concave? defend your answer NO LINKS!!!
If the lens of our eyes were concave, we would not be able to see. We would be blind. This is because our eyes form a visual image on the same side of the lens at the object being viewed. Thus, a concave lens would result in the visual image focusing in front of the eye, not the retina inside the eye. This would mean that no signals would be sent to the brain, and vision would not be possible.
help please, thank you :)
Multiple Choice
Which of the following is not an example of malicious code?
A Trojan horse
B worm
C virus
D. spy gear
Answer:
D
Explanation:
Spy gear is different from Spyware.
1
Why would you advice a person to sit rather than stand in a moving bus?
Answer:
Standing in a moving bus may lead the person fall when the driver will apply brake.
Explanation:
According to Newton's third law of motion, there is an equal and opposite reaction to every action. When the bus is moving, the person standing is in the state of rest. The moment the driver applies brake, the bus stops. The stopping of the bus makes the person in the stationary position change in motion. Because of this force, the person may fall and collide if he is standing instead of sitting in the moving bus.
Which has the greater density, 5 kg of lead or 10 kg of gold?