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At =0s, a 755 g mass at rest on the end of a horizontal spring(k =124N/m) is struck by a hammer, which gives the mass an initial speed of 2.96 m/s. Determine (a) the period and frequency of the motion, (b) the amplitude, (c) The maximum acceleration, (d) the position, velocity and acceleration at t= 2s, and (e) Plot a position vs. time graph for the oscillating motion and identify the point on the graph that corresponds to t=2s.
A motor has coils with a resistance of27and operates from a voltage of242V. When the motor is operating at its maximum speed, the back emf is146V. Find the current in the coils when the motor is first turned on
Water flows from a fire truck through a hose that is 11.7 cm in diameter and has a nozzle that is 2 cm in diameter. Determine the minimum gauge pressure in the trucks water tank
A 500 kg spacecraft bound for a 5,000 km circular orbit around Jupiter is constructed and fueled in a 350 km circular orbit at Earth. what is the mass of fuel needed
How fast (in {rm rpm}) must a centrifuge rotate if a particle 8.5 cm from the axis of rotation is to experience an acceleration of 115000 {rm g}'s.
A laser that produces a spot of light that is 1.25 mm in diameter is shone perpendicularly on the center of a thin, what is the power of the laser
The pattern was recorded by using a neutron detector to measure the neutron internsity at different positions. determine how far the detector was behind the slits
A satellite is placed in orbit 7.2 x 105 mabove the surface of Jupiter. Jupiter has a mass of 1.90 1027 kgand a radius of 7.14 x 107 m. Find the orbital speed of the satellite
A kid is outside his home playing with a metal hoop and stick. If the hoop starts from rest at the top of the hill and reaches a linear speed of 9.50 m/s in 11.5 s, what is the angular acceleration of the hoop
A conducting sphere with an inner insulating sphere inside of it, carries a total charge of 5 nC. The charge within the inner insulating sphere is -5 nC, find the charge on the outer surface of the conducting shell
A rocket is launched at an angle of 52° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 32 m/s2. At this time, its engines fail and the rocket proceeds to move..
a plaine releases a bomb which strikes a truck driving below. throughout this scenario both vehicles are moving in the
A telescope was used as a testbed for evaluating adaptive optics systems. This telescope has a 3.58 meter primary mirror with a focal ration of f/2.2. What is the plate scale of this telescope
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