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A large mass moving at 14.97 meter per second collides elastically with a smaller mass at rest. If the speed of the large mass after the collision is 4.75 meter per second, find what is the final speed of the small mass?
question an archer about to shoot an arrow is applying a force of 320 n to a drawn bowstring. the bow behaves like an
A 220 g air-track glider is attached to a spring. The glider is pushed in 12cm against the spring, and then released. A student with a stopwatch finds that 16 oscillations take 11.5.
Two cars suffer head-on collision with each other. What is conserved in the collision?
the cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted?
The total volume of water in the oceans is approximately 1.40 multiplied by 109 km3. Find the increase in mass of the oceans produced by an increase in temperature of 4.8°C
A cylindrical aluminium pipe of length 1.42 m has an inner radius of 1.90*10-3 m and an outer radius of 2.90*10-3 m. The interior of the pipe is totally filled with copper. What is the resistance of this unit?
How fast must a rocket travel on a journey to and from a distant star so that the astronauts age 12.0 years while the Mission Control workers on earth age 110 years and as gauged by Mission Control, how far away is the distant star?
A simple pendulum is made up of a 2.0 kg mass suspended on a thin aluminum wire. Compute the length of the pendulum wire at the equator
The cable of the 1300 kg elevator cab in the figure snaps when the cab is at rest at the first floor, Find the speed of the cab just before it hits the spring
A dentist's chair by a patient in it weighs 2240 N. The output plunger of a hydraulic system begins to lift the chair, when the dentist's foot applies a force of 35.2 N to the input piston.
A wall is constructed of a 2 inch layer of fiberglass board (R = 8) and six inches of fiberglass batting (R = 19). If the temperature on the outside surface of the fiberglass board is 50degreesF and the temperature on the inside surface of the fiberg..
An electron (electron 1) moves to the left by speed 0.93c while a second electron (electron2) moves to the left with speed 0.51c. What is the speed of electron 2 as gauged by an observer sitting on electron 1?
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