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Heat is extracted from a certain quantity of steam at 100degrees C. As a result, the steam changes into ice at 0.0degrees C. If this energy were used to accelerate the icefrom rest, what would be the linear speed of ice? Forcomparison, bullet speeds of about 700 m/s are common.
Two boats start together and race across a 64-km-wide lake and back. Boat A goes across at 64 km/h and returns at 64 km/h. Boat B goes across at 32 km/h, and its crew, realizing how far behind it is getting, returns at 96 km/h. Turnaround times ar..
Riders on the "Great American Revolution" loop-the-loop roller coaster wear seatbelts as the roller coaster negotiates its 6.5m -radius loop with a speed of 9.8m/s.
A grinding wheel in the shape of a solid disk is 0.300 m in diameter and has a mass of 2.50 kg. How far would it have to drop in free fall to acquire the same amount of kinetic energy
A water tower supplies water through the plumbing in a house. A 2.54-cm-diameter faucet in the house can fill a cylindrical container with a diameter of 53 cm and a height of 36 cm in 12 s. How high above the faucet is the top of the water in the t..
A gate is free to rotate without friction about its hinges at H. The gate is initially at rest. Compute the magnitude of the mud's angular momentum about H
In an early test of sound propagation through the ocean, an underwater explosion of 1 pound of dynamite in the Bahamas was detected 3200 away on the coast of Africa
A factory worker accidentally releases a 200 kg crate that was being held at rest at the top of a ramp that is 3.9 m long, How fast is the crate moving as it reaches the bottom of the ramp
A photon of red light (wavelength = 720 nm) and a Ping-Pong ball (mass = 2.00 × 10-3 kg) have the same momentum
A container of cross-sectional area 102 cm2 contains liquid of density 1.95 g/cm3 to a height of 6.60 cm above a small hole of area 1.00 cm2 in the side. Find the flow rate through the hole
q1. a 5.19 g lead bullet travelling at 252 ms is stopped by a large tree. if half the kinetic energy of the bullet is
A 750.0 kg boulder is raised from a quarry 125 m deep by a long uniform chain having a mass of 575 kg. What is the max acceleration the boulder can have
If a index card is 3inx5in and another is 5in x7in find the conversion factor by dividing the value in cm/in. Calculate the area of both index cards
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