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A hoop and a disk, both of 0.68- m radius and 4.0- kg mass, are released from the top of an inclined plane 2.6 m high and 7.7 m long. What is the speed of each when it reaches the bottom? Assume that they both roll without slipping. What is the speed of the hoop?
What is the speed of the disk?
The motion of a 25.0 kg mass on the end of a string is uniform circular motion. The magnitude of the tangential velocity of the mass is 5.0 m/s, Calculate the angular momentum of the mass
Consider two inertial reference frames. while an observer in each frame measures the following quantities, which measurement made by two observers must yield the same results.
A very long, hollow cylinder (radius 4.7cm) is formed by rolling up a thin sheet of copper, Use Ampère's law to find the magnetic field outside the cylinder at a distance 6.8cm from the axis
If the tension in each chain at the lowest point is 408 N, find the child's speed at the lowest point.
Speedboat A negotiates a curve whose radius is 198 m. Speedboat B negotiates a curve whose radius is 290 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
Heather and Matthew walk eastward with the speed of 0.99 m/s east. If it takes them 37 minutes to walk to the store, how far have they walked? Reply in units of km.
A projectile is fired at an upward angle of 45 degrees from the top of a 265 m cliff with a speed of 350 m/s. Illustrate what will be it's speed when it strikes the ground below?
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) Find the total tim..
What is the average linear speed of Jupiter about the Sun, (The distance from the Sun to Jupiter is 7.78 1011 meters. The orbital period around the Sun is 4332.7 days.)
How greatly time elapses before the compass hits the ground
Two workers are trying to move a heavy crate. One pushes on the crate with a force , which has a magnitude of 444 newtons (N) and is directed due west.
A thin, flexible metal plate attached at one end to the platform, can be used to measure mass. When the free end of the plate is pulled down and released, it vibrates in simple harmonic motion with a period that depends on the mass attached to the pl..
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