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Q. If the two objects stick together after the collision, will they be moving to the right, to the left, or not at all? Explain your answer.
A friend is standing on a giant skateboard that is initially at rest. If you ignore frictional effects with the floor, what is the momentum of the skateboard if your friend walks to the right on the skateboard with a momentum of 150 kg.m/s? What is the momentum of the skateboard-person system?
What happens to the average speed of the molecules of a gas as it is heated?
Is a sauna at a temperature of 190 F hotter or colder than one at 85 C?
What is the magnitude
A stone is dropped into a river from a bridge 43.90 m above the water. Another stone is thrown vertically down 1.00 after the first is dropped. The stones strike the water at the same time.
How to find out the magnitude of the acceleration
What is your displacement after running 2.8 {rm km} on Strawberry Fields, 1.4 {rm km} on Penny Lane, and 4.3 {rm km} on Abbey Road.
Introductory Mechanics: Calculate the smallest coefficient of static friction
What force does a 55 kg passenger exert on the seat when she is at the top of the Ferris wheel.
A 1.0 kg block is attached to a spring with spring constant 18.0 N/m. While the block is sitting at rest, a student hits it with the hammer and almost instantly gives it a speed of 41.0 cm/s. What is the amplitude of the subsequent oscillations? The ..
A toy train rolls around a horizontal 1.30 diameter track. The coefficient of rolling friction is 0.10.
Question on a planet similar to Earth
A small, 300 {rm g} cart is moving at 1.30 {rm m/s} on an air track when it collides with a larger, 3.00 {rm kg} cart at rest. After the collision, the small cart recoils at 0.890 {rm m/s}.
A tank is in the shape of an inverted cone, having height h = 2.50 m and base radius r = 0.750 m. If water is poured into the tank at a rate of 15 L/s, how long would it take to fill the tank.
A small car with mass 0.690 travels at constant speed on the inside of the track that is a vertical circle with radius 5.00. If the normal force exerted by the track on the car when it is at the top of the track (point) is 6.00, what is the normal fo..
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