128 Answered Questions for the topic Acceleration

Acceleration Physics Mass

09/18/15

The acceleration of a 500kg mass when a 4N force is applied to it is:
The acceleration of a 500kg mass when a 4N force is applied to it is:
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Acceleration Physics

09/18/15

The force required to accelerate a 20kg mass at 6m/s^2 is:
The force required to accelerate a 20kg mass at 6m/s^2 is:
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Acceleration Physics Distance Meters

09/10/15

Use your knowledge of acceleration, average speed, and running starts to explain why it happens?
A common track event is the 4x100m relay, where each athlete each run 100m and passes a baton to the next runner who then runs 100m, and so on until all four runners have gone. The runners... more
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Acceleration Physics Time Distance

09/10/15

Driving at 75m/s, you hit the brakes on your new car, accelerating at a rate of -20m/s. How long will it take the car to come to rest?
Driving at 75m/s, you hit the brakes on your new car, accelerating at a rate of -20m/s. How long will it take the car to come to rest?   Show work (Acceleration or Average Speed)
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Acceleration Physics Time Velocity

09/10/15

Riding your bike, you can accelerate at a rate of 1.5m/s^2. If you accelerate for 17 seconds, how much speed will you gain?
Riding your bike, you can accelerate at a rate of 1.5m/s^2. If you accelerate for 17 seconds, how much speed will you gain?   (s) = seconds   SHOW WORK (Average Speed or Acceleration)
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Acceleration Physics Time Distance

09/10/15

Riding your bike, you can accelerate at a rate of 2m/s^2. If you start from rest, how long will it take to reach a speed of 20m/s?
Riding your bike, you can accelerate at a rate of 2m/s^2. If you start from rest, how long will it take to reach a speed of 20m/s?   Show work (Average Speed or Acceleration)
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Acceleration Physics Time Distance

09/10/15

Your new car can go 0-90 m/s in 5 seconds. What is your car's acceleration?
Your new car can go 0-90 m/s in 5 seconds. What is your car's acceleration?   Show work (Average Speed or Acceleration)
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Acceleration Velocity Speed

08/19/15

which describes motion in which the person or object is accelerating?
a. a bird flies straight from a tree to the ground without changing speeds b. a dog walks at a constant speed along a straight sidewalk c. a girl runs along a straight path the same distance each... more
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Acceleration

06/19/15

a car moving with a velocity 54km/hour on a straight road by applying brake after covering a distance 20 m compute its acceleration
acceleration
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Acceleration

06/18/15

a car acquires a speed of 40km/hour in 30secs in just after the start what is the acceleration of the car
acceleration
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Acceleration

06/18/15

the linear speed of the seconds hand of a wall clock is 1.05cm/sec what will be the acceleration of the second hand
 acceleration  
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Acceleration Physics Newton

04/15/15

True or false: Newton's laws apply only to reference frames that are not accelerating.
True or false: Newton's laws apply only to reference frames that are not accelerating.
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Acceleration Physics

04/15/15

A sinker on a string travels in a circle of radius1.00 m with a constant speed of 2.75 m/s. What is its acceleration?
A sinker on a string travels in a circle of radius1.00 m with a constant speed of 2.75 m/s. What is its acceleration?
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Acceleration

03/04/15

ACCELLERATION
I need help with the second part of this question.  Please show work so I can see.  Thanks.   I.  The fastest land mammal, the cheetah, can accelerate from 0 mi/hr to 70.0 mi/hr in 3.0 seconds.... more
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Acceleration

02/27/15

Ouestion One
A force is applied to a 2.3 kg mass and produces 5.5 m/s2 acceleration. What acceleration would be produced by the same force applied to a 5.1 kg mass?
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Acceleration Math Calculus Math Help

11/05/14

Calculus Help HELP
Consider the following descriptions of the vertical motion of an object subject only the acceleration due to gravity. (Note: the acceleration due to gravity is 9.8 m/s2)   a. Find the velocity of... more
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Acceleration Time Velocity Height

10/13/14

Muzzle velocity and distance
A rifle bullet is fired vertically upwards with a muzzle velocity of 700 m/s.  Assuming no air resistance, what height will it reach?  How long will it take to reach the ground again?
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Acceleration Length Speed Deceleration

10/13/14

Deceleration and length
Assuming that the maximum deceleration of a car when full braking is applied is 0.8g, find the length of run required to pull up from a) 50 km/h b) 100km/h
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Acceleration Speed

10/13/14

Speed and acceleration
A boy on a bicycle is going downhill at 16km/h.  If his brakes fail and he accelerated at 0.3m/s2, what speed will he attain if the hill is 400m long?
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Acceleration Calculus Velocity

07/29/14

Calculus velocity question..
A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds inclusive. The position... more
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Acceleration Calculus Physics Velocity

07/29/14

Calculus velocity question..
A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds inclusive. The position... more
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Acceleration

06/30/14

help with acceleration in physical science
    In an interval of 4 seconds a car goes from 10 km/h to 50 km/h.  what is the acceleration of the car?   a.  40 km/h b.  5 km/h • s c.  10 km/s^2 d.  none of these     An object which... more
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Acceleration Gravity Newton Einstein

02/15/14

What level of acceleration does gravity give?
I was thinking about gravity and isn't it a meters per second per second per second acceleratory force? I mean, as you get close to an object's center of mass the force of gravity gets stronger,... more
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Acceleration

10/23/13

A race car's velocity increases from 3.1 m/s to 49.4 m/s over a 10-s time interval. What is its average acceleration?
I need to check my  answer
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Acceleration Physics

08/10/13

A skier moving 6.0m/s forward begins to slow down, accelerating at -2.0m/s^2 for 1.5s. What is the skier's velocity at the end of the 1.5s?
Here's what I did but I don't know another way of solving this without using point slope form. (0, 6) (1.5, y) y-y1=m(x-x1) y-6=-2(1.5-0) y-6= -3 y=3m/s velocity =3m/s forward
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