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A kid on the edge of a spinning merry-go-round is going to get off of it three dissimilar ways. Draw angular momentum bar charts for each.
1) He simply lets go
2) He jumps off tangentially so that he speeds up
3) He jumps off therefore that he is going the opposite direction
Does the total kinetic energy change for any of these? Consider right before and right after the jump. Why or why not?
A light spring of force constant k = 156 N/m rests vertically on the bottom of a large beaker of water. A 5.55-kg block of wood (density = 650 kg/m3) is connected to the spring, and block-spring system is allowed to come to static equilibrium. Wha..
A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 2.05 cm and is 2.15 m above the bottom of the tank. What is the gauge pressure in the outlet pipe
Two stationary positive point charges, charge 1 of magnitude 4.00 nC and charge 2 of magnitude 1.75 nC, are separated by a distance of 60.0 cm. An electron is released from rest at the point midway between the two charges, and it moves along the l..
A wooden plank is raised at one end to an angle of 30 degree. A 2.0 kilogram box is located on the incline 1.0 meter from the lower end, Determine the rate of acceleration of the box
It takes 150 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France. What is the bicyclist's average power output
The planet mars hass a mass of 6.42x10^23kg and a radius of 3396km. What escape speed is needed for a space ship leaving the surface of Mars
When a potential difference of 144V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of42.0nC/cm2. What is the spacing between the plates?
A Boeing 777-200 airliner with a wingspan of 64.0 m is flying perpendicular to the Earth's magnetic field at its cruising speed of 250 m/s. What potential difference is induced between the plane's wingtips
A 58.0 kg girl weighs herself by standing on a scale in an elevator as it is moving up. The force exerted by the scale is 771.4 N. What is the acceleration of the elevator? Take accelerating up to be positive and down to be negative.
A horizontal spring, with spring constant k, has a mass, m,attached to it and is vibrating horizontally on a friction less surface. Which one of the following statements is CORRECT?
William burns 5.2 g of peanuts beneath 1000 g of water, which increases in temperature from 27C to 43C. Assuming 30% efficiency, what is the food value of the peanut
Two capacitors (C1=1.00 ?F and C2=2.00 ?F) are charged with Q1=3.00 ?C on the positive plate of capacitor 1 and Q2=3.00 ?C on the positive plate of capacitor 2, the total charge on the positive plate of capacitor 1
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