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A 7.0 gram bullet is fired into a 1.5 kilogram ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 11.9 centimeter. Evaluate what is the initial speed of the bullet.
m/s
A horse races once around a circular track in a time of 118s, with a speed of 17 m/s. What is the radius of the track? How do you go about solving this.
Calculate the energy in of a photon of radiation. A projectile is fired straight upward at 141 m/s. How fast is it moving at the the top of its trajectory? assume it is launched upward at 45 degrees about the horizontal plane. How fast is it moving..
A concave mirror has a focal length of 25.8 cm. The distance between an object and its image is 51.4 cm. Find (a) the object and (b) image distances, assuming that the object lies beyond the center of curvature and (c) the object and (d) image distan..
Two cylindrical bars, each with diameter of 2.30 cm, are welded together end to end. compute the resistance between the ends of the welded bar
A rifle with a barrel length of 61.0 cmfires a 10.0 g bulletwith a horizontal speed of 360 {\rm m/s}. How long does it take the bullet to come to rest
A charge of -2.300 µC is located at (3.055 m, 4.501 m), and acharge of 1.800 µC is located at (-2.102 m, 0). Find the electric potential at the origin
Suppose we have a uniform sphere (radius R) of 1 M of hydrogen. What is the column density through the center of the sphere
A 22 gram rifle bullet traveling 410 m/s buries itself in a 4.8 kilogram pendulum hanging on a 2.6 meter long string, Find the maximum vertical displacement of the pendulum
A sailor strikes the side of his ship just below the waterline. Hehears the echo of the sound reflected from the ocean floor directlybelow 1.87 s later. How deep is the ocean at this point?
A compact disk player has just been turned off. A disk deceleratesuniformly from an initial angular velocity of 7.20 rev/s. The disk rotatesthrough 3.25 revolutions beforecoming to rest. What is the tangential acceleration of a point onthe disk 3...
A small light planet has a mass 1/100 that of Earth and radius 1/4 that of Earth. An astronaut weighs 600N on Earth. How much would the astronaut weigh on the surface of the smaller planet?
A scaffold of mass 43 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
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