128 Answered Questions for the topic Acceleration

Acceleration

08/22/17

what is the acceleration of a baseball when its speed increases from 1 m/s to 25 m/s in 1 s?
acceleration
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Acceleration

08/22/17

A freight train pulls out of a rail yard and is traveling at 20 m/s after 300 seconds. What is the acceleration of the freight train in m/s^2
A freight train pulls out of a rail yard and is traveling at 20 m/s after 300 seconds. What is the acceleration of the freight train in m/s2
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07/29/17

rates of change
You hit a golfball upward with your pitching wedge. The position function of the ball is s(t)=-3t^2+30t where the origin is at ground level and the positive direction is vertically up. (distance is... more
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Acceleration Velocity Derivatives

07/28/17

Rate of Change
An object is moving in a straight line from a fixed point. The displacement s(in meters) is given by s=-2t^2+28t+45, t is greater than or equal to 0, where t is in seconds.    1. Describe the... more
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07/28/17

Rates of Change
An object is moving in a straight line from a fixed point. The displacement s(in metres) is given by s=-2t^2+28t+45, t is greater than or equal to 0, where t is in seconds.    Find t when the... more
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Acceleration

05/05/17

How far to accelerate 0 to 75 mph?
Can a normal car like 2004 Toyota Corolla actually accelerate 0 to 75 mph in only .5 mile distance?
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Acceleration

04/25/17

ACCELERATION QUESTIONS
The first man jumps and his parachute does NOT open he accelerates at 10m/s/s for 4 secondS before the parachute opens how fast is he going just before the parachute opens?    PLEASE SHOW ALL WORK 
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Acceleration Physics

03/05/17

Roller coaster acceleration
a roller coaster is moving at 10m/s at the top of the hull and 22 m/s at the bottom of the hill two seconds later. Explain how to find the acceleration of the roller coaster then find the average... more
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Acceleration Science Physics Motion

02/18/17

Calculating acceleration of a braking car.
A 1.5 tonne car travelling at 100km/h suddenly brakes. The brakes provide an overall force of 50 times the normal reaction. Calculate the acceleration of the car.
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Acceleration Science Physics Velocity

02/14/17

Calculate velocity and acceleration during collisions.
A small car of mass 500kg is travelling at 120km/h when it hits stationary truck (of 1.5 tonne mass) head on. The small car rebounds and travels in the opposite direction at 40km/h. The collision... more
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Acceleration

01/17/17

a car is stopped and a truck drives by at a speed of 28.0 m/s. if the other car starts accelerating at a speed of 4m/s, how long will it take to catch up?
 a car is stopped and a truck drives by at a speed of 28.0 m/s. if the other car is at a stop and starts accelerating at a speed of 4m/s, how long will it take to catch up?
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Acceleration Physics Inclined Plane

12/08/16

Find acceleration
A mass is being pulled up an incline plane. The angle of the incline plane is 33 degrees. The mass is 11 kg and the pulling force is 185 N at an angle of 25 degrees to the plane. The coefficient of... more
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Acceleration Physics

12/07/16

What is the coefficient of friction of the carpet?
You need to move a 53 kg armoire across the room. If you push with a force of 68 N, and the armoire accelerates at 0.10 m/s2 squared, what is the coefficient of friction of the carpet?
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Acceleration Physics

12/07/16

Calculate the acceleration of the system if the mass of block A is 0.83 kg and block b is 6.9 kg
The blocks A and B are connected by a piece of string. Block B rests on an inclined plane of 36 degrees and block a hangs vertically. The coefficient of friction between Block B and the inclined... more
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Acceleration Physics

11/07/16

physics help
Marks: --/2A 17.9kg box is accelerating down a 35° incline. The coefficient of kinetic friction is 0.53. What is the acceleration of the box? Give your answer . . .in terms of m/s2. Do not include... more
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09/25/16

What is the car's acceleration while braking?
A car accelerates uniformly from rest at 12.5 m/s^2 for 10 seconds. It then brakes to a rest over a distance of 1000 meters.
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Acceleration Physics

06/23/16

what is the acceleration of the car?
Acceleration is sometimes expressed in multiples of g, where is the acceleration due to Earth's gravity. In a car crash, the car's velocity changes from to in In terms of g, what is the... more
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Acceleration Physics Speed

06/01/16

Roller Coasters Accelerating
Are the following roller coasters accelerating? Yes or No? And explain why please. A roller coaster speeding up? A roller coaster speeding down? A roller coaster moving in a straight lin at... more
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Acceleration Physics Velocity Radius

05/29/16

Acceleration, Safe or Not?
At the bottom of the loop of your roller coaster, the velocity is 30 m/s and the radius of the loop is 50 m. Is the amount of acceleration riders will experience in this loop considered safe? Why?... more
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Acceleration

05/28/16

need help with homework
Martin sells a stock investment for $26,000 on August 2, 2015. Martin's adjusted basis in the stock is $15,000.a. If Martin acquired the stock on November 15, 2014, calculate the amount and the... more
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Acceleration Physics Gravity Momentum

05/18/16

Force of gravity? Acceleration?
Mars has a mass of 6.4 × 1023 kg. It has a moon named Phobos with a mass of 1.07 × 1016 kg. a. If their centers are 9400 km apart, what is the force of gravity acting on Phobos?b. If the radius of... more
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Acceleration Physics Friction

05/07/16

What is his acceleration down the hill?
Duane has a mass of 73 kg and slides down an icy hill on a sled. The hill has an angle of 15 degrees and there is no friction.    I know that acceleration is the change in velocity/ time but it... more
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Acceleration

05/05/16

A car travelling 25 miles per hour accelerates for 10 seconds at 6.5 miles per hour per second. How fast is it going at the end of the 10 seconds?
I dont know how to figure this out. 
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Acceleration

03/24/16

Acceleration
An object has a constant acceleration of 40 ft/sec², an initial velocity of -20 ft/sec, and an initial position of 10 ft. Find the position function, s(t), describing the motion of the object.
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Acceleration Physics Velocity Radius

03/16/16

PHYSICS: Minimum Velocity
What is the minimum velocity required of a roller coaster at the top of a vertical loop with a radius of 7 m?   SHOW ALL WORK PLEASE. May use if needed: Fc = Fn + Fg Fc = MAc Ac = v^2/r
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