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A model car is propelled by a cylinder of carbon dioxide gas. The cylinder emits gas at a rate of 4.5 grams/second with an exit speed of 80.0 m/s. The car has a mass of 400 grams, including the CO2 cylinder. Starting from rest, what is the car's initial acceleration?
An object is placed in front of a converging lens in such a position that the lens (f = 13.1 cm) produces a real image located 22.0 cm from the lens. What is the image distance of this new image
A red light flashes at position xR=4.00 m and time tR=1.00x10-9 s and a blue light flashes at xB=5.00 m and tB=8.50x10-9 s. Find the location of the two flashes in frame S'
A 6,400-kg truck runs into the rear of a 1,000-kg car that was stationary. What was the speed of the truck before the collision
A person is observing the motion of a ball on a flat surface and measuring its position in time. What will be the velocity of the ball relatively to each of the two observers
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.65 104 m/s, What is the orbital speed of the second satellite
Find out the magnitude of the acceleration of the electron. How large is the pulling force it the wagon is moving with a constant speed.
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. Find the speed of the wagon after the rock is thrown
Michael and Misty are standing motionless together on the ice at the center of a very slippery frozen pond. what is Michael's acceleration
A 4900 kg lunar lander is in orbit 60 km above the surface of the moon. How much work must the thrusters do
A cyclist, traveling at a constant speed, covers a distance of 6860 m in a time period of 34.5 minutes. Calculate the power the cyclist must provide in overcoming that force
A research submarine has a 10-cm-diameter window that is 8.5cm thick. What is the submarine's maximum safe depth in salt water
An archer's bow can be treated as a spring with k = 2,900 N/m. what is the work done on the bow as the bowstring is pulled back into position
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