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A 2.70-kg ball is shot into a 0.500-kg box that is at rest on a frictionless, horizontal table (see figure below); after the collision, the ball is embedded in the box. The box is attached to a 0.30-m rope that is attached to the table on the other end. The ball's initial velocity is perpendicular to the rope as shown. If the ball's initial speed before impact is 13.4 m/s, what is the tension in the rope after the collision?
q1. a rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380ms. the bullet strikes a
Four point charges are located at the corners of a square measuring 50.0 cm on each side. Three of the charges are -2.00 uC each and the fourth is -5.00 uC, Find the potential energy of the system of four charges
A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake.
The space shuttle releases a satellite into a circular orbit785 kilometer above the Earth. Find how fast must the shuttle be moving (relative to Earth) when the release occurs
A 530.9 Watt space heater is designed for operation in Germany, where household electrical outlets supply 230 Volt (rms) service. Determine the power output of the heater
Two strong magnets on opposite sides of a small table are shown.The long-range attractive force between the magnets keeps the lowermagnet in place. Suppose the weight of the table is 28.6 N,the weight of each magnet is 3.81 N, and the magnetic for..
What is the minimum thickness of a soap bubble film on which light of wavelength 500nm shines that will give distractive interference of the reflected light
One of the weapons considered for the "Star Wars" antimissile system is a laser that could destroy ballistic missiles. What laser beam intensity will produce such a field
Magnification
The motion of a body falling from rest in a resistive medium is dv(t)/dt=A-Bv(t): find the velocity at which the acceleration becomes zero
The resistance of a silver wire is to be calibrated for low-temperature measurements. A silver wire with a resistance of 1.15, what is the expected resistance of the silver wire at -196 °C
ow does this change in amplitude affect the wave's frequency.
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