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A bullet weighing 0.08 lb is fired with a horizontal velocity of 1800 ft/s into the lower end of a slender 15-lb bar of length L= 30 in. Knowing that h = 12 in. and that the bar is initially at rest, determine
(a) the angular velocity of the bar immediately after the bullet becomes embedded,
(b) the impulsive reaction at C, assuming that the bullet becomes embedded in 0.001 s.
Object 1 has a mass m1 and a velocity 1 = (2.87 m/s). Object 2 has a mass m2 and a velocity 2 = (3.01 m/s). The total momentum of these two objects has a magnitude of 18.0 kg • m/s and points in a direction 66.5° above the positive x-axis. Find out m..
Which of the following designs was used in this study?
A man is riding a bike, the wheels of a bike have an angular velocity of +22.0 rad/s. Then, the brakes are applied. Estimate the angular acceleration of each wheel
A weightless spring of force constant 2.50N/cm is 15.0 cm long whennothing is attached to it. It is now used to pull horizontally on a12.5 kg box on a smooth horizontal floor. How long is the spring during this motion
a two-dimensional electrostatic field varies with the coordinates x and y but is independent of z. show that the
Two cylinders each contain 0.20mol of a diatomic gas at 340K and a pressure of 3.0 atm. What is the final temperature of the gas in the cylinder A
Monochromatic light falls on two very narrow slits0.042mm apart. Successive fringes on a screen6.50m away are 8.4cm apart near the center of the pattern. Determine the frequency of the light.
A bungee cord is stretched between two poles with a force of 373 N. The length of the cord is 33 meters and it has a mass of 7 kg. What is the velocity of a wave on this bungee cord?
He is unable to get to the other sidebecause of a lack of friction between hisshoes and the ice. To overcome thisdifficulty, he throws his 1.2 kg physics textbookhorizontally toward the north shore, at a speed of6.7m/s. The acceleration of gravity..
A small block with mass m1 rest on a frictionless horizontal tabletop a distance r1 from a hole in the center of the table. A light, stretchless string tied to the small block passes down through the hole, and a larger block with mass m2 is suspen..
Steam can cause more serious burns than water at the same temperature. Here we examine this effect quantitatively, noting that flesh becomes badly damaged when its temperature reaches 50.0 C a)Calculate the heat released as 13.0g of liquid water a..
An innovative power cycle is being designed to operate between heat reservoirs at 150 C and 55 C. What is most nearly its maximum theoretical thermal efficiency?
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