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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? Assume the heat remains in the bullet, and the specific heat of lead is 0.0305 kcal/kg degrees Celsius.
A vibrating string with a uniform linear mass density exhibits a single-loop standing wave pattern with a frequency of 600 Hz. determine the ratio of the new tension to the old
q1. a ship sets out to sail to a point 156 km due north. an unexpected storm blows the ship to a point 118 km due east
A deep-space vehicle moves away from the Earth with a speed of 0.885c. An astronaut on the vehicle measures a time interval of 2.80 s to rotate her body through 1.00 rev as she floats in the vehicle. What time interval is required for this rotation a..
A 0.2 kg steel ball is dropped straight down onto a hard, horizontal floor and bounces straight up. FIND the magnitude of the impulse delivered to the floor by the steel ball
An ice skater slides at a speed of 25 km/h on a level ice track. At this point she allows herself to coast to a complete stop
A uniform thin rod of length 0.400 m and mass 4.50 kg can rotate in a horizontal plane about a vertical axis through its center. what is the bullet's speed just before impact
Astronomers determine that a nearby galaxy is moving toward our galaxy at a speed of 720.0 km/s with respect to the Earth, what was the wavelength emitted by the star
Gracie slides down a frictionless slide of length L that makes an angle (theta) with the ground. (A.) Gracie starts out at rest at the top of the slide.
A ball is launched from a height of 7.94 ft above the ground with a speed of 16.95 m/s at an angle of 34.48 degrees from the horizontal
A person is drinking water from a plastic bottle. When the water level is 6cm from the top of the bottle, the person blows across the top producing a sound
In a series L-R-C circuit, the components have the following values: = 21.5 , = 165 , and = 400 . The generator has an rms voltage of 120 and a frequency of 1.25 .Determine the average power supplied by the generator. Determine the average power diss..
A horse pulls a cart with a force of 61 lb at an angle of 25° above the horizontal and moves along at a speed of 8.5 mi/h. What is the average power (in horsepower, hp) of the force
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