Gravitational potential energy of the ball changed
A 1500 wrecking ball hangs from a 18 -long cable. The ball is pulled back until the cable makes an angle of 29.0 with the vertical. By how much has the gravitational potential energy of the ball changed?
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Derive the differential equation to find the mole fraction of A in the cylinder as a function of radial position. Solve the differential equation to find the mole fraction of A as a function of position.
The small sphere starts at the top from rest . What normal force does it exert on the hemisphere at the bottom? Hint: first express its kinetic energy at the bottom in terms of its linear velocity there.
The second disk , with a rotational inertia of 4.092 kg-m^2 about its central axis, is initially spinning at a rate of 684 rpm in the same direction as the first one. They then couple together a) What is their angular speed after coupling? b) If t
What power output must the heart have to do this task once a minute?
A man weighing 750 N and a woman weighing 480 N have the same momentum. What is the ratio of the man's kinetic energy to that of the woman ?
A 10-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10 m/s, determine (a) the translational kinetic energy of its center of gravity, (b) the rotational kinetic energy about its center
The water is heated to 160°C at constant volume and is then expanded isothermally to saturated vapor. Determine the total heat transfer for the process, in kJ.
A skydiver of mass 83.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 54.9 m/s. (a) What is her acceleration when her speed is 30.0 m/s?
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