If the acceleration of a motorboat is 4.0 m/s2, and the motorboat starts from rest, what is its velocity after 6.0 s?

Answers

Answer 1

Answer:

The velocity of the motorboat after 6s is 24 m/s.

Explanation:

Given;

acceleration of the motorboat, a = 4.0 m/s²

initial velocity of the motorboat, u = 0

time of motion of the motorboat = 6s

Apply the following kinematic equation to determine the velocity of the motorboat after 6 ;

v = u + at

v = 0 + (4 x 6)

v = 24 m/s

Therefore, the velocity of the motorboat after 6s is 24 m/s.


Related Questions

Someone please help me

Grandma has written up a new apple pie recipe with her crazy units again that you are trying to make. The recipe
calls for 6.25 x 10 cups of cinnamon How many teaspoons do you need?

Answers

Answer:

300x480 teaspoons

Explanation:

when converting cups to teaspoons just multiply by 48

Answer:

The answer should be 3tsp

Explanation:

3tsp

The table shows results of an experiment that was replicated. Which best describes the data? They are neither precise nor reproducible. They are precise but not reproducible. They are accurate and reproducible. They are accurate but not reproducible.

Answers

Answer:

They are accurate and reproducible.

Explanation:

Answer:

They are precise and reproducible.

Explanation:I just took the test on Edgenuity

ons How many protons are in an atom of tin?
How many electrons are in an atom of tin?
How many neutrons are in an atom of tin? Round your
answer to the nearest whole number.

Answers

Answer:50,50,69

Explanation:I just did it

Texting and driving is a dangerous act
and is illegal in many areas. Suppose a driver takes 3.5 seconds to send a text. Travelling at 95 km/h, how far in meters did the vehicle travel while the driver was distracted? (Hint: How many seconds are in an hour?
How many meters are in a km?)

Answers

Answer:

s = 92.36 m

Explanation:

The distance covered by an object moving with uniform speed is given by the following formula:

s = vt

where,

s = distance covered by car during the time when driver was distracted in texting = ?

v = uniform speed of car = (95 km/h)(1 h/3600 s)(1000 m/1 km) = 26.39 m/s

t = time taken by the driver for texting = 3.5 s

Therefore, using these values in equation, we get:

s = (26.39 m/s)(3.5 s)

s = 92.36 m

What is the unit of pressure? Why is it called a derived unit?
Why has SI system​

Answers

Answer:

pascal

Explanation:

its obtained after either division or multiplication

difference between metals and nonmetals​

Answers

Answer: Metals refers to the natural elements that are hard, shiny, opaque and dense. Non-metals implies those chemical substances that are soft, non-shiny, transparent and brittle. Most metals are hard, except sodium. Most non-metals are soft, except diamond.

A bird flies 6km east, then 4km west. Find the total distance traveled and displacement (d) after this flight.

Answers

Given :

A bird flies 6 km east, then 4 km west.

To Find :

the total distance traveled and displacement after this flight.

Solution :

a)

We know , total distance is the amount of how much ground an object has covered .

Distance = 6+4 km = 10 km .

b )

Displacement is the shortest distance from one point to another .

Now , here the object first move 6 km east then moves 4 km west .

So , his distance from the starting position is :

Displacement = 6 - 4 km = 2 km .

Hence , this is the required solution .

Why do we use percent deviation rather than simply expressing the size of the error itself?

Answers

Answer:

the percentage we have the fraction between the error and the magnitude,

Explanation:

When absolute error is used, it is a value that remains constant regardless of the magnitude of the measurement, for large measurements it can represent great accuracy, but for small measurements the accuracy may be low, for example> if we use a tape measure with error of Dx = 0.1 cm if the measurement is 1 meter this error is acceptable, but if the measurement is 1 cm the error is too big.

When we use the percentage we have the fraction between the error and the magnitude, so if this relationship is small the measure is very tight and but if the relationship is high the measure has little pressure, for example

           Δx = 1 cm = 0.01 m

          % = 0.01 / 1   100 = 1%

          % = 0.01 / 0.01 100 = 100%

therefore the precision of the measurement is known the percentage error

PLEASE HELP!!!
Elements located in the vertical column of the periodic table are of the same _______ and have _______ chemical properties.

A. group
B. period
C. similar
D. different
E. style
F. unlike

Answers

Answer:

I think its A & C

Explanation:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior.

Elements located in the vertical column of the periodic table are of the same group and have similar chemical properties, therefore the correct answer is option A and option C.

What is the atomic number?

The total number of protons present in an atom is known as the atomic number of that atom.

While the atomic mass of an atom is the sum of the total number of protons and the number of neutrons present inside any atom.

The element belonging to the same group have approximately similar chemical behavior while on the other hand element belonging to the same period would have the same outermost shell.

The correct response is option A and option C because elements included in the vertical column of the periodic table belong to the same group and have comparable chemical characteristics.

Learn more about the atomic number here, refer to the link ;

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What can you say about the motion of an object if its velocity time graph is a straight line parallel to the time axis

Answers

the velocity is constant .

Explanation:

it means its velocity and acceleration is constant. And there is no change in displacement , so the object is not moving.

You drive 200 miles in 3 hours before stopping for lunch and gas. After lunch you
travel 250 miles in an hour and a half What was your average speed in mi/hr)
for the trip

Answers

Given :

You drive 200 miles in 3 hours before stopping for lunch and gas. After lunch you  travel 250 miles in an hour and a half.

To Find :

Average speed.

Solution :

We know, average speed is given by :

[tex]v=\dfrac{\text{Total distance covered}}{\text{Total time taken}}\\\\v=\dfrac{200+250}{3+1.5}\ miles/hr\\\\v=\dfrac{450}{4.5}\ miles/hr\\\\v=100\ miles/hr[/tex]

Therefore, average speed of the journey is 100 miles/hr.

Hence, this is the required solution.

A toy car is given an initial velocity of 5.0 m/s and experiences a constant acceleration of 2.5 m/s2. What is the final velocity after 5.0 s?

a 21.6 m/s
b 19.2 m/s
c 17.5 m/s
d 24.5 m/s

Answers

Explanation:

v = u + at

v = 5 + 2.5 * 5

V ( final velocity after 5 sec) = 17.5 m/s

what was Galleos contribution to the study of motion ?

Answers

Answer:

B ) He was the first to systematically study force and motion.

Explanation:

I seen this one before and know the answer since there's 4 options

A runner decreases his velocity from 20 m/s to 10 m/s in 2.0 s.
What was his average acceleration?

Answers

Acceleration = change in velocity/change in time

So you should have (20-10)/(0-2)= -10/2 = -5

So your answer is -5

We have that the average acceleration is

[tex]a=5m/s^2[/tex]

From the Question we are told that

Decreases his velocity from 20 m/s to 10 m/s in 2.0 s.\

Generally the equation for the average acceleration  is mathematically given as

[tex]a=\frac{u-v}{t}\\\\a=\frac{20-10}{2}[/tex]

[tex]a=5m/s^2[/tex]

For more information on this visit

https://brainly.com/question/22271063?referrer=searchResults

HELP ME PLZ!!!!! I'LL DO ANYTHING!!!!

Answers

First find the diameter of each.

Jupiter’s diameter is 86,881 mi.

Earth’s diameter is 7,917.5 mi.

Then divide those two.

Rounded, Jupiter is 11 times larger.

unrounded: 10.9732870224186927691821913482791285127

Finding out how large something is compared to something can be done by dividing.

For example I have two dogs. One dog is 3 feet tall. The other is 2 feet tall. How much taller is dog one? Dog one is 1.5 times larger because 3/2 = 1.5 AND 2 x 1.5 = 3.

So for this case multiplying Earth’s diameter by 10.9732870224186927691821913482791285127 will give you Jupiter’s diameter.

The dimensions of a room are 16.40 m long, 4.5 m wide and 3.26 m high. What is the volume of the room in cubic meters? Express your answer in scientific notation.

Answers

Answer:

the volume of the room is 240.588 meters3

The picture shows the scientific notation

Paul’s class investigated the effects of friction on the motion of a toy car. Using ramps with different surfaces, students determined the amount of time, in seconds (s), for the toy cars to reach the bottom of each ramp. All variables were controlled except the tested variable (independent variable). Paul's group concluded that toy cars on a sandpaper surface are fastest.

Answers

Answer:

C

Explanation:

..

Answer:The conclusion is valid for the data recorded

Explanation:

A proton and a neutron are each close to a positive nucleus.
How does the charge on the nucleus affect the proton and the neutron, if at all?
A The neutron is attracted; the proton is repelled.
B The neutron is not affected; the proton is repelled.
C The proton is attracted; the neutron is repelled.
D The proton is not affected; the neutron is repelled.

Answers

Answer: b

Explanation:Because protons are positive and the nucleus is positive so it will be repelled and the neutron is neutral so it will be unaffected.

What is the potential energy of a 150 kg diver standing on a diving board that is 10 m high?

- Its for science

Answers

Answer:

the answer is 14,700

Explanation:

hope this helps :))

Answer:

14,700

Explanation:

were using the potential energy equation.

P.E- (150 kg) (9.8m/s2) (25 m) = 14,700

Question 11 (3 points)
1. How many amperes does a 125 watt bulb require when operating on 12 volts?

a. 0.096 watts
b. 10.41 Watts
С. 10.41 Ampere
D. 1500 ampere

Answers

Answer:

С. 10.41 Ampere

Explanation:

Given that,

Power, P = 125 watts

Voltage, V = 12 volts

We need to find current. Power in terms of current and voltage is given by :

P = VI, I = current

[tex]I=\dfrac{P}{V}\\\\I=\dfrac{125\ W}{12\ V}\\\\I=10.41\ A[/tex]

So, the current is 10.41 A.

Which represent correct variations of the formula for speed? Check all that apply. t = d/s s = d/t t = s/d s = dt d = st d = s/t

Answers

Answer: 1 2 5

Explanation:

Galileo Galilei, an Italian physicist, is credited with being the first to calculate speed by dividing it by the distance traveled and the time required. Galileo defined speed as the distance covered in a predetermined period of time. Thus option A, B. E is correct.

What represent correct variations of the formula for speed?

Speed is determined by dividing the distance by the time. Calculating the units for speed requires knowledge of the units for both time and distance. Since the distance is measured in meters (m) and the time is measured in seconds, the units in this example will be meters per second (m/s) (s).

That is speed = distance time. Alternatively, you can calculate the time by dividing the distance traveled by the speed. You can figure out the third input if you know two of the inputs.

Therefore,  For instance, if a car drives 120 miles (ca. 193 km) in 2 hours, we may calculate the speed as 120 × 2 = 60 miles per hour (ca. 97 km/h).

Learn more about speed here:

https://brainly.com/question/28224010

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A forklift does 450 J of work to lift a 150 N hot tub. How high is the hot tub lifted? Round your answer to the nearest whole number

Answers

Answer:

3 m

Explanation:

[tex]work \: = force \times displacement \\ 450 = 150 \times displacement \\ displacement = 3m[/tex]

HELP ME PLZ!!!!! I'LL DO ANYTHING!!!!

Answers

Earth’s diameter is 7,918
Pluto’s diameter is 1,476

7,918 divided by 1,476 is approximately 5.36 which rounds to 5

The answer is Earth is 5 times larger that Pluto

what weights include barbells and dumbbells​

Answers

Free weights include barbells and dumbbells
Free weights include barbells and dumbbells

Explain how your model is different from the model in the picture

Answers

What does your model look like and the one it's being compared to?

Answer:

you should prolly put the model

Explanation:

Can someone help me its A,B,C,D

Answers

i think C i’m so sorry if i’m wrong tho.

Urgent
Please write the complete answer

Answers

Multiply field strength (N/kg) by mass (kg) to get weight (N)

At the start, the car is carrying

4.7 kg * (9.8 N/kg) = 46.06 N

of fuel.

At the end, it is carrying

3.0 kg * (9.8 N/kg) = 29.4 N.

Assuming the car remains completely intact, its weight was reduced by

46.06 N - 29.4 N = 16.66 N.

The second image !!!!!!

Answers

Answer:

Explanation:

No, not any of these substance will float in Methanol , simply because Methanol has a density of 0.79 g, if you put any substance that weighs more than 0.79 g, it will sink, it all depends on the weight if it is more or less than methanol  

2: D=m/v

D=135/50 = 2.7 g/cm³ ( Aluminum)

D=M/V

if two objects has the same mass but one has larger volume, then te one with larger volume has less density

example : 2 objects

mass of both=350

volume of the first one=500 and  the other 750

D1=M1/V1 = 350/500 =0.7

D2 = M2/V2 = 350/750 = 0.4666

D1 is larger than D2( with larger volume )

As the earth rotates through one revolution, a person standing on the equator traces out a circular path whose radius is equal to the radius of the earth (6.38×10^6). What is the average speed of this person in meters per second? If we are standing in latitude 43° north what is our average speed?

Answers

Answer:

The average speed will be "1038 mph".

Explanation:

Period for one revolution is:

T = 24 hours

  = 86,400 sec

x = c = 2πr

The given values is:

r = 6.38×10⁶ m

Now,

⇒  [tex]T=\frac{2 \pi r}{v}[/tex]

Or,

⇒  [tex]v=\frac{2 \pi r}{T}[/tex]

On substituting the values, we get

       [tex]=\frac{2 \pi (6.38\times 10^6)}{86,400}[/tex]

       [tex]=464 \ min/sec[/tex]

       [tex]=(464 \frac{min}{sec}) (\frac{3600 \ sec}{1 \ hour} )(\frac{1 \ mi}{1609 \ m} )[/tex]

       [tex]=1038 \ mph[/tex]

Answer to 1, 2, and 3 please

Answers

Answer:

1. 1000000

2. 1000

3. 1000000

Explanation:

If there not right. I'm sorry.

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