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Question: A 6-in cube of wood weighing 40 lb/ ft3 has a 1-in-diameter hole drilled through it parallel to one edge. The long axis of the hole is 2 in from the upper surface and 2 in from the left side of the cube.
a. Locate the centroid.
b. If this hole is filled with lead weighing 710 bite, where is the centroid?
A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 790-kg car traveling with a velocity of +2.15 m/s. What is the final velocity of each vehicle?
An 7.60-cm-diameter, 310 sphere is released from rest at the top of a 1.70-m-long, 20.0 incline. What is the sphere's angular velocity at the bottom of the incline
Work of 1500 J is done on an ideal gas, but the internal energy increases by only 800 J. What is the amount and direction of heat flow into or out of the system
In a local bar, a customer slides an empty beer mug on the counter for a refill. The bartender is momentarily distracted and does not see the mug, with what velocity did the mug leave the counter
A truck has its front wheels (only) driven onto a scale and a reading of 3000 kg is obtained. How far is the center of gravity from the front wheels
What is the relativistic kinetic energy (in joules) of the electron? What is the speed of the electron? Express your answer as a multiple of c, the speed of light in a vacuum.
Consider hydrogen atom in the ground state. Determine, in electron volts, the total energy. Decide, in electron volts, the potential energy.
4.0kg of water at 30 C is mixed with 4.0 kg of water at 47 C in a well-insulated container. Estimate the net change in entropy of the system.
A block of mass 0.35 kg can slide over a frictionless horizontal surface. It is attached to a spring whose stiffness constant is k = 14 N/m, What is its speed when the extension is 13 cm
A loaded ore car has a mass of 955 kilogram and rolls on rails with negligible friction. Find what total energy transfers out of the motor by work by the time the car moves off the end of the track, which is of length 1300 meter
A Ping-Pong ball with mass 1.5 g is attached by a thread to the bottom of a beaker. Determine the diameter of the ball
Determine the height of an image for an object that is 5 inched tall. Object is placed 10.0 in from convex mirror and its located -5.00 in from rear of mirror
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