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A proud deep-sea fisherman hangs a 66.6 kg fish from an ideal spring having negligible mass. The fish stretches the spring0.126m.
1. What is the force constant of the spring?
2. What is the period of the oscillation of the fish if it is pulled down 3.60cm and released?
The air inside a bicycle tirenpumphas 202 joules of work done on it as 66.1 joules of heat is conducted away from it
An outfielder throws a 0.150 kg baseball at a speed of 20.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball
A board, with a mass m = 20.0 kg and a length of 4.00 m, is supported by two identical vertical connected to the ends of the board, What are the tensions in the two ropes
A prism whose cross section is shaped like an is osceles right triangle is made from a material with index of refraction, n =1.37. Find the angle θ of the entering/exiting rays that travel parallel to the lower side (in degrees).
a potters wheel is rotating at 3.2 rads in a counterclockwise direction when the potter turns it off and lets it slow
A container of hot water at 50 degrees cools to 49 degrees in how many seconds when it is placed in a room that is t 20 degrees. use newton's law of cooling to find the time it will take for the container to cool from 50 degrees to 49 degrees.
A solid, uniform disk of radius 0.250 m and mass 61.6 kg rolls down a ramp of length 4.60 m that makes an angle of 16° with the horizontal. Find the angular speed of the disk at the bottom of the ramp
If the frequency of oscillation of the wave emitted by an FM radio station is 101.4 MHz, calculate the wave's period of vibration
A 4-W night-light is plugge into a 120-V circuit and operatescontinuously for 1 year. Find the energy consumed in a year
An isolated container holding 30 g of hydrogen gas is at 25degrees C. If 1,000 calories were transferred to the gas, what would be the new temperature of the gas
A 39.6-kg boy, riding a 2.33-kg skateboard at a velocity of +5.07 m/s across a level sidewalk, find the skateboard's velocity relative to the sidewalk at this instant
write the expression for the radial distribution function of a 3p electron in a hydrogenic atom and determine the
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