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At some point in its orbit our asteroid is moving with a speed of 25 kilometers per second. Determine the kinetic energy of the asteroid assuming it has a mass of 1000 kilograms. Be sure your answer is in the correct units of energy.
A heat engine extracts 50.0kJ of heat from the hot reservoir each cycle and exhausts 35.0kJ of heat. What is the thermal efficiency
A 1500-kg car moving east at 17 m/s collides with a 1800-kg car moving south at 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision
An electrically neutral charge can be given a net charge by several means. Does this violate the conservation of charge? Explain
A 5.0 kg scientific instrument, an air sampler, is tied to a weather balloon by a rope. If the upward acceleration of the balloon is 3.4 m/s2, find the tension in the rope
A solid cylinder of mass 2.00kg and radius 1.50x10^-2m is free to rotate on a frictionless axle. determine the angular acceleration of the cylinder
A 815-kg car stopped at an intersection is rear-ended by a 1740-kg truck moving with a speed of 13.0 m/s. find the final speed of both vehicles after the collision
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
The Earth (5.98 x 10^24 kg) and the Moon (7.35 x 10^22) kg are separated by an average distance of 3.84 x 10^8 m
The speed of a transverse wave on a string is 450 m/s and the wavelength is 0.18 m. The amplitude of the wave is 2mm. How much time is necessary for a particle of the string to move through a total distance of 1 km.
A 2000 Hz sound wave passes through a wall with two narrow openings 30 cm apart. If sound travels on average 345 m/s, What is the angle of the first order maximum
An apartment has a living room whose dimensions are 2.9 m x 4.9 m x 6.0 m. what is the mass (in grams) of the air
The equation of a transverse wave traveling along a very long string is given by y = 6.9 sin(0.025(pi)x + 4.5(pi)t), Determine the transverse displacement
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