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Situation 1: A 300 gram chunk of clay is thrown at a door with a velocity of 10 m/s. The clay sticks to the door. Determine whether the interaction is elastic. Hint: determine the initial kinetic energy and the final kinetic energy.
Situation 2: A 300 gram bouncy ball is thrown at a wall with a velocity of 12.2 m/s and bounces back with a velocity of 11.6 m/s. Is the interaction elastic?
A sanding disk with rotational inertia 5.4 x 10-3 kg·m2 is linked to an electric drill whose motor delivers a torque of magnitude 10 N·m about the central axis of the disk. About that axis and with torque applied for 72 ms, what is the magnitude o..
What the max speed of the oscillator?
Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. Through what distance does the piston drop
The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 110 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
A 0.100 kg meterstick is supported at its 40 cm mark by a string attached to the ceiling. A 0.700 kg mass hangs vertically from the 5 cm mark.
Two converging lenses, each of focal length 13.1 cm, are placed 58.6 cm apart, and an object is placed 29.9 cm in front of the first. What is the magnification of the system
A camera uses a biconvex lens made of glass with an index of refraction of 1.60 and has a radius of curvature of 12cm for the 1st surface, What is the focal length of this lens when used in air
Blocks with masses of 2 , 4 , and 6 are lined up in a row on the frictionless table. All three are pushed forward by a 56 force applied to the 2 block. How much force does the 4 block exert on the 6 block.
What is used up electric potential energy of charge carriers
A 1200 kg car is pulling a 500 kg triler along level ground. Friction is negligible. What is the magnitude of the force exerted by the car on the trailer
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
An unstable particle at rest spontaneously breaks into two fragments of unequal mass. The mass of the first fragment is 2.80 multiply.gif 10-28 kg, what is the speed of the heavier fragment
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