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A rifle bullet with a mass of 5.00g strikes and embeds itself in a block with a mass of 1.995kg that rests on a frictionless horizontal surface and is attached to a coil spring. The impact compresses the spring 25.0 cm. Calibration of the spring shows that a force of 9.00N is required to compress the spring 0.500m. What is the initial speed of the bullet?
Oscillation of a 500 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is 430 m/s. What is the length of the string
Suppose that the amplitude and frequency of the transverse wave, Find the total vertical distance (in cm) through which the colored dot moves in 3.8 s
Two wheels have the same mass and radius of 4.3 kg and 0.50 m, respectively. One has the shape of a hoop, Find the net external torque that acts on each wheel
A 150-g block is projected up a ramp with an initial speed of 8.1 m/s. If the ramp is inclined 28° with the horizontal, how far along the surface of the ramp does the block slide before coming to a stop
A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 2060J of kinetic energy, What is the mass of the bullet
An ambulance has a siren of frequency 700 Hz. If the ambulance is moving at a speed of 60 miles per hour, what will be the frequency heard by a man standing on the sidewalk as the ambulance approaches him
You need to produce a solenoid that has an inductance of 2.55 ?H . You construct the solenoid by uniformly winding 1.07 m of thin wire around a tube. How long, in centimeters, should the tube be
An iron disk has a radius of 0.445 m and a mass of 367 kg. The disk is mounted on its axis so that it is free to spin. If the torque is applied at the edge of the disk, how much force is required
Polymer diffusion and Calibration of an optical tweezer
A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the earth must be cancelled. What current is needed in the solenoid's wires
A child is riding across a rough field on a sled. Together, she and the sled have a mass of 73 kg. The sled is being pulled by her brother at an angle of 16º with a force of 356 Newtons. What is her acceleration if the coefficient of kinetic friction..
The speed of a sound in a container of hydrogen is 201K is 1220m/s. what would be the speed of sound if the temperature were raised to 405K? suppose that hydrogen behaves like an ideal gas.
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