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A police van moving on a highway with a speed of 30 kmph fires a bullet of a theif's car speeding away in the same direction with a speed of 192 kmph. If the muzzle speed of the bullet is 150 m/s, with what speed does the bullet hits the theif's car?
A 528 Hz sound wave travels through a substance. What is the speed of sound in the substance
A block of unknown mass is attached to a spring with a spring constant of 6.00N/m and undergoes simple harmonic motion with an amplitude of12.5cm. Calculate the maximum acceleration of the block
Explain how Karl lifed th cement. How much time would it take for the police officer to catch the speeder, assuming that the speeder maintains a sonstant speed? How fast will the police officer be traveling at this time.
A generator is manufactured to produce a maximum EMF of 200v while rotating with an angular speed of 1000rpm. What is the voltage induced within the coil inside the transformer due to the coil in the generator
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. Find the distance from the source at which the intensity is 0.80 10?6 W/m2
A bungee jumper undergoes simple harmonic motion with amplitude 4.6m and frequency 0.145Hz, Determine the bungee jumper's velocity at 1.0 s
A semi truck is stopped across a road. As a driver approaches at 20 m/s he sounds the horn of his car (f=350 Hz). find the frequency of the horn heard by the truck driver
A girl delivering newspapers covers her route by traveling 4.00 blocks west, 4.00 blocks north, and then 6.00 blocks east. What is the total distance she travels
A car is traveling along a straight road at a velocity of +34.0 m/s when its engine cuts out. Find the velocity of the car at the end of the initial ten-second interval
A pumpkin sets in front of a mirror with radius of curvature of -20 cm. How far away is the pumpkin from the mirror
Find the recoil speed of the rifle. A 650-N force acts in a northwesterly direction. A second 650-N force must be exerted in what direction so that the reultant of the two forces points westward? Illustrate your answer with a vector diagram.
An orbiting satellite stays over a certain spot on the equator of (rotating) Earth. What is the altitude (in km) of the orbit (called a geosynchronous orbit)?
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