115 Answered Questions for the topic Acceleration

01/15/18

#### What is the acceleration of the satellite? Direction of the acceleration? What is the name of the force providing the acceleration? Speed of satellite?

a 1000kg satellite orbits the Earth at a radius of 50,000 km.  What is the acceleration of the satellite? The direction of the acceleration? What is the name of the force providing the... more
Acceleration Time Meters

01/15/18

#### What acceleration is needed to stop in time from hitting the wall?

Chris drives a 1200 kg car straight at a brick wall. He is accelerating at a rate of 4 m/s^2. He started from rest and accelerated for 3 seconds, and began to hit the brakes when he was 9m away... more
Acceleration Physics

11/01/17

#### Two Physics Question About Linear Motion I'm Stuck On

Hello! I was going through my review questions and I got eight out of the ten questions done, but no matter what I do, I can't seem to figure out these two questions. Any help given would be highly... more
Acceleration Physics Distance

10/01/17

#### Help on Physics kinematic problems please?

1. Car 1 moves eastward with a constant speed of 20 m/s. Car 2, at rest on the side of the road, accelerates at 2 m/s squared to the east at precisely the instant Car 1 is beside it. How long does... more
Acceleration Physics Kinematics

09/22/17

#### Falling objects rate of acceleration

A diver hits the water at a velocity of 17.64 m/s from a 16 m high board. What is the diver's rate of deceleration when the diver reaches a depth of 1.85 m under water?
Acceleration Science Physics

09/09/17

#### Velocity-time graph?

Finish this statement/phrase: "What does a constant slope mean in a velocity-time graph? Slope means acceleration. Therefore, if we have a constant slope, we have a constant ______."   (1)... more
Acceleration Science Physics

09/09/17

#### The area of an acceleration-time graph is:

The area of an acceleration-time graph is: (1) time (2) velocity  (3) acceleration (4) displacement
Acceleration Science Physics

09/09/17

#### The area of a velocity-time graph is:

the area of a velocity-time graph is: (1) velocity  (2) acceleration  (3) displacement  (4) time
Acceleration Science Physics

09/09/17

#### When velocity and acceleration are in the opposite direction the motion is...

when velocity and acceleration are in the opposite direction, the motion is: (1) slowing down  (2) speeding up  (3) remaining the same
Acceleration

09/09/17

#### see description

A hobbyist owns an ultralight airplane that requires a speed of 16 m/s in order to takeoff. Starting from a dead stop, the airplane engine can provide 3.2 m/s2 of average acceleration.The hobbyist... more
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

#### 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
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

#### 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
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?
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
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
Acceleration Science Physics

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.
Acceleration Science Physics

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
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?
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
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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