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A rubber raft of mass 3M floats past a dock at 1 m/sec toward the east. A girl of mass 2M runs down the dock and jumps in the raft with a speed of 2 m/sec in the north direction.
(a) Find the final velocity of the raft and girl.
(b) How much kinetic energy was lost in the collision?
Use the Fourier series method to evaluate the deviation of the bone subjected to the load, w, which is linearly dependent on its position
A clamped mechanical device (such as a metal ruler) oscillates in vacuum at a frequency (assume there is no damping in this case) of 10.0 Hz. Find the characteristic decay time for the damped motion
A car moves along the x-axis in the positive direction. Find the sign (+,-) of the velocity and acceleration of the car for each situation: 1. The car moves AWAY from the origin and gets FASTER 2.
A 0.45kg piece of putty is dropped from a height of 2.5m above a flat surface. find the magnitude of the average force exerted on the putty
A hammer strikes one end of a thick iron rail of length 5.83 m. A microphone located at the opposite end of the rail detects two pulses of sound, Which pulse reaches the microphone first
A lightbulb is 48 cm from a convex lens, and its image appears on a screen located 31 cm on the other side of the lens. By how much is the image enlarged or reduced
An open container holds ice of mass 0.530 kg at a temperature of -15.7 Celsius . The mass of the container can be ignored. How much time passes before the ice starts to melt
find the speed of the test charge when it reaches the center of the square.
Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by Jane, What is Jane's (and the vine's) angular speed just before she grabs Tarzan
How much voltage is produced by an inductor of value 25 ?H if the time rate of change of the current is 58 mA/s
A tungsten filament used in a flashlight bulb operates at 0.20 A and 3.0 V. find the temperature of the filament when the flashlight is on
The angular momentum of a flywheel having a rotational inertia of 0.242 kg·m2 about its central axis decreases from 9.30 to 0.230 kg·m2/s in 4.40 s. What is the magnitude of the average torque acting on the flywheel about its central axis during th..
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