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A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet penetrates for a distance of 0.0621 m. Determine the acceleration of the bullet while moving into the clay. (Assume a uniform acceleration.)
Two objects attract each other gravitationally with a force of 2.5 x10-10 N while they are 0.33 m apart. Their total mass is 4-kg. Find out their individual masses.
A 95.0 kg person stands on a scale in an elevator. What isthe apparent weight in each of the following situations? when the elevator is accelerating upward with an acceleration of1.80 m/s2?
What is the net upward force on an airplane wing of area 27.8 m2 if the speed of air flow is 242 m/s across the top of the wing
A car chases a coyote down a road ending in a sheer cliff. What frequency does the coyote hear for the sound reflected from the cliff
A pilot flying a constant 215 km/h horizontally in a low-flying helicopter, At what angle (to the horizontal) should the car be in his sights
The mean distance between the earth and the sun is 1.5x1011m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m2. Assuming that the sun emits radiation uniformly in all directions, determine the total ..
An engine performs 4000 joules of work in 10 seconds. What is the power output in kilowatts and in horsepower
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 1.4 mT. determine the time it takes to complete one revolution
A reversible heat engine operates between thermal reservoirs at 810 K and 180 K. If 8280 J are extracted from the hot reservoir, how much work is done by the heat engine
A lead pellet with a mass of 0.519 g is shot from an air gun at a speed of 118 m/s. It is stopped by a boulder. What is the temperature change of the bullet
Illustrate what is the average force exerted on the ball by the bat? Neglect the weight of the bat, since it is so much less than the force of the bat. Choose the direction of the incoming ball as the positive direction.
A coaxial cable has a center conductor and an outercylindrical conductor with an insulating material in between. What is the magnetic field outside the cable if a currentof 2 A is flowing to and from a device
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