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Question: A thin rod of length 0.75 m and mass 0.42 kg is suspended freely from one end. It is pulled to one side and then allowed to swing like a pendulum, passing through its lowest position with angular speed. Neglecting friction and air resistance, find
(a) the rod's kinetic energy at its lowest position and
(b) how far above that position the center of mass rises.
Assume a frictionless surface (so the ball slides without rotating). The acceleration due to gravity is 9.81 m/s2..
When responding to sound, the human eardrum vibrates about its equilibrium position. Assume an eardrum is vibrating with amplitude of 7.1x10-7 m and a maximum speed of3.8x10-3 m/s.
Tilted Land is flat, much like Western Utah, but in Tilted Land gravity does not point straight down! Where does the ball hit the ground
A bat, moving at 5.56m/s, is chasing a flying insect where the speed of sound is assumed to be 340m/s. what is the speed of the insect
Suppose several machines launch a rate of 100 tennis balls per second at 80 mph toward a wall where the balls make elastic collisions. Assuming 100 head-on collisions per second, what is the total steady force exerted on the wall? Calculate in New..
The resulting solution weighed 57.136 g. How many grams of carbon dioxide were produced?
A 6 uF capacitor is initially charged to 100V and then connected across a 600 ohm resistor. what is the initial charge on the capacitor
Find: (a) the period of oscillation, (b) the amplitude of the oscillation, and (c) the maximum velocity of the mass m.
A 10 kg block of ice has a temperature of -8°C. The pressure is one atmosphere. The block absorbs 4.20 106 J of heat. What is the final temperature of the liquid water?
a typical cell membrane is 8.0 nm thick and has an electrical resistivity of 1.3 107 ? if the potential difference
A ball launched from ground level lands 2.7 s later on a level field 48 m away from the launch point. Find the magnitude of the initial velocity vector and the angle it is above the horizontal. (Ignore any effects due to air resistance.)
A horizontal vinyl record of radius0.14m rotates about a vertical axis through its center with an angular speed of 4.7 rad/s. What is the angular speed of the record immediately after the putty sticks to it
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