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A 23.7 g bullet is shot into a 4706 g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 0.982 m/s. Calculate the velocity of the bullet before striking the block. Amswer in units of m/s.
Consider two closely spaced and oppositely charged parallel metal plates. The plates are square with sides of length L and carry charges Q and -Q on their facing surfaces. What is the magnitude of the electric field in the region between the plate..
The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. How much time would elapse on a clock on the Earth
Team B is pulling on a rope attached to the same anvil with the same force but in direction of 32 degrees S of E. What is the initial acceleration of the anvil.
A guitar string is 90 cm long and has a mass of 3.6g . The distance from the bridge to the support post is L=62cm, What is the fundamental frequency of this string
It takes sound waves of frequency 500 Hz 14.7 ms to make a round trip through a hollow pipe of length 7.5 m filled with helium. What is the speed of sound in helium
A 5.3×10^?2-T magnetic field passes through a circular ring of radius 3.5cm at an angle of 14 degrees with the normal. Find the magnitude of the magnetic flux through the ring
A 1 kg wheel (hoop) rolls 5 rev. across a horizontal surface (without slipping)a distance of 3.2 m. if the wheel rolls for 3 sec. determine the angular velocity of the wheel
A fire hose ejects a stream of water at an angle of 31.20° above the horizontal. The water leaves the nozzle with a speed of 24.50 m/s. assume that the water behaves like a projectile, how far from a building should the fire hose be located to hit..
The maximum magnetic field, or Bo, is 0.010 T in an electromagnetic wave. What is the average intensity of this wave
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
A convex mirror has a focal length of -25.5 cm. Find the magnification produced by the mirror when the object distance is 8.7 cm
A 20.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block
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