115 Answered Questions for the topic Acceleration
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
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
Ian C. took 7 seconds to stop after exiting the half-pipe while snow-boarding at 9.4 m/s. What is his acceleration?
A car initially traveling at 15m/s accelerates at a constant rate of 4.5m/s^2 over a distance of 45m. How long does it take the car to cover this distance ?
That is the exact question.
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
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
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?
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
The area of an acceleration-time graph is:
The area of an acceleration-time graph is: (1) time (2) velocity (3) acceleration (4) displacement
The area of a velocity-time graph is:
the area of a velocity-time graph is: (1) velocity (2) acceleration (3) displacement (4) time
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
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
what is the acceleration of a baseball when its speed increases from 1 m/s to 25 m/s in 1 s?
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
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
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?
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
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
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.
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
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?
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
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?