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115 Answered Questions for the topic Acceleration

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
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?
Acceleration Math Calculus

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
Acceleration Time Velocity

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?
Acceleration Length Speed

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
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?
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
Acceleration Calculus Physics

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
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
Acceleration Gravity Newton

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
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
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
Acceleration

04/27/13

Let aT be the tangential component of the acceleration?

Let aT be the tangential component of the acceleration vector of r(t)=<t-sin(t), 1-cos(t), 0>. What is (aT)^2 at t=pi/2? r'(t)=<1-cos(t), sin(t), 0> r''(t)=<sin(t), cos(t),... more
Acceleration Physics

02/26/13

1500kg car pulls a 600kg trailer away from the stoplight with an acceleration of 2.0m/s^2. Questions below

On vacation, your 1500kg car pulls a 600kg trailer away from the stoplight with an acceleration of 2.0m/s^2, What is the net force exerted on the trailer, what force does the trailer exert on the... more
Acceleration Physics

11/23/12

Physics using incline planes

The carton  lies on a plane tilted at an angle θ = 24.5° to the horizontal, with µk = 0.07. (a) Determine the acceleration of the carton as it slides down the plane.(b) If the carton starts from... more
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