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A 9.0 kg cylinder rolls withoutslipping on a rough surface. At an instant when its center ofgravity has a speed of 8.0 m/s.
Determine the translational kinetic energy of its center ofgravity.
Determine the rotational kinetic energy about its center ofgravity.
Determine its total kinetic energy.
The electric output of a power plant is 730MW . Cooling water flows through the power plant at the rate 1.30 ×108L/hr. What is the power plant's thermal efficiency
A 10.1-g bullet is fired into a stationary block of wood having mass m = 5.04 kg. The bullet imbeds into the block. What was the original speed of the bullet
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. obtain the speed of a satellite in a geosynchronous orbit
A 72 man's arm, including the hand, can be modeled as a 78 -long uniform cylinder with a mass of 3.7, by how much does he raise his center of gravity
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.50 1011 m apart. What is the mass of the smaller star
A positive charge +q1 is located to the left of a negative charge -q2. On a line passing though the two charges, there are two places where the total potential is zero. What is the distance between the charges
A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 2.20 m/s2. The car makes it one quarter of the way around the circle before it skids off the track. From these data, determine the ..
A person walks first at a constant speed of 4.90 m/s along a straight line from point A to B point and then back along the line from B to A at a constant speed of 3.30 m/s. What is her average velocity over the entire trip
Consider a particle of mass that is revolving with angular speed around an axis. The perpendicular distance from the particle to the axis is . Part A Find the kinetic energy K of the rotating particle. Express your answer in terms of m, r, and omega.
Joey weighs 77 lb and sits on a seesaw at a distance of 30 inches from the fulcrum. Jenny weighs 67 lb and sits on the opposite side of the seesaw at a distance of 48 inches from the fulcrum. how far away from the fulcrum should he sit
A 0.223 kg ball is thrown straight up from 1.81 m above the ground. Its initial vertical speed is 8.40 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
An electron initially at rest is accelerated between two parallel plate 2.000 cm apart, What kinetic energy does the electron have when it hits the positive plate
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