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Starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a translational speed of 5.2 m/s. Ignore frictional losses.
(a) What is the height of the hill?
(b) Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can when it reaches the bottom?
White light, which is a mix of all visible wavelengths in the range of 400 nm to 700 nm, What is the thickness of the plate if the next wavelength for which there is constructive interference is 540.6nm
An archer shoots an arrow horizontally at the target 14 m away. The arrow is aimed directly at the center of target, but it hits 59 cm lower.
An oscillating block-spring system has a mechanical energy of 1.00 J, an amplitude of 10.0 cm, and a maximum speed of 1.20 m/s. find the mass of the block, and the frequency of oscillation
A small rocket to gather weather data is launched straight up. Several seconds into the flight, its velocity is 120 m/s, What is the net force on the rocket
To kick a football, the kicker rotates his leg about the hip joint. If the velocity of the the kickers shoe is 30.3 m / s and the hip joint is 1.24 m from the tip of the shoe, what is the shoe tip\'s angular velocity
find the ambulance's speed from these observations.
A boy pulls a 5.0 Kg sled 10.0 m along a horizontal surface at a constant speed. what work does he do pulling the sled
A current of 0.300 A through your chest can send your heart into fibrillation, ruining the normal rhythm of heart beat, how many conduction electrons pass through your heart
Compute the acceleration of a 0.55m diameter car tire while the car is travelling at a constant speed of 25m/sec. b. compare this with the acceleration experienced by a jet car tire diameter 1 when setting a land speed record of 310m/sec.
A parallel-plate capacitor is charged to an electric potential of 337 V by moving 3.95×1016 electrons from one plate to the other. How much work is done in charging the capacitor.
During normal beating, the heart creates a maximum 4.30 mV potential across 0.330 m of a person's chest, What is the maximum electric field strength created
A locomotive accelerates a 25-car train along a level track. Every car has a mass of 7.6 ? 104 kg, What is the tension in the coupling between the first car and the locomotive
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