As a bus accelerates, the passengers on the bus are jolted toward the back of bus. Explain what causes the passengers to be apparently pushed backward.
As a bus accelerates, the passengers on the bus are jolted toward the back of bus. Explain what causes the passengers to be apparently pushed backward.
A constant net force of 15 N acts on an object with a mass of 8 kg. As the mass of the object is increased, what will happen to the acceleration of the object? Explain.
If a cannonball was shot off 20 meters away from a soldier, and it's acceleration was 5m/s^2. What was the cannonball's final speed when it hit the soldier? Hint: The Initial speed...
A block of mass 4.29 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 3.61 kg which hangs in the air, as...
A block of mass 2.21753 kg lies on a friction- less table, pulled by another mass 3.08244 kg under the influence of Earth’s gravity. The acceleration of gravity is 9.8 m/s2 . What is the...
Question 1 A car moves forward up a hill at 12m/s with an uniform backward acceleration of 1.6m/s2 a. What is its displacement after 6.0s? b. What is its displacement...
A car of mass m has an engine which can deliver power P.The minimum time in which car can be accelerated from rest to a speed v is (a) (mv^2)/2P (b) Pmv^2 (c) 2Pmv^2 (d) (mv^2)P/2...
As a ball falls, its acceleration is... Multiple Choice: A) positive B) negative C) it has no acceleration I know the answer is A) positive. But why? Please...
Find the acceleration when the velocity is 0. I know the function for acceleration is 6t so I thought the answer must be 0. However, the back of the book says the answer is 6. Is that...
Which of the following carts is experiencing an unbalanced force? Multiple Choice: A) A cart that is accelerating B) A cart that is traveling at a constant speed C) A cart...
Benjamin fires an arrow from a castle wall 10m high. It leaves the bow with a speed of 40m/s directed 37° above the horizontal. a) Find the initial velocity components b)...
A car accelerates from 23m/s to 7m/s in 4 seconds. What is the car's average acceleration? Multiple Choice: A) -4m/s^2 B) 5.75 m/s^2 C) 1.75m/s^2 D) 4 m/s^2 I...
A force of F newtons will give an object with a mass of M an acceleration of A. The same force will give a mass of 3 M an acceleration of: Multiple choice: a) 1/3 A b) 3 A c)...
Acceleration formula
A force of F newtons will give an object with a mass of M an acceleration of A. The same force will give a mass of 3 M an acceleration of: Multiple choice: a) 1/3 A b) 3 A c)...
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)
The force required to accelerate a 20kg mass at 6m/s^2 is:
The acceleration of a 500kg mass when a 4N force is applied to it is:
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 receiving...
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...