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You are on an unknown planet. You throw an object straight up with an initial speed of 5ms. It takes 6 seconds for the object to return to your hand.
1. Will the object's maximum height be higher or lower on the earth?
2. What is the gravitational acceleration of the unknown planet?
3. What was the maximum height (above your hand) of the object?
A thin, uniformly charged spherical shell has a potential of 544 Volt on its surface. Estimate the electric potential inside the sphere at a radius of 3.0 cm
A shopper walks from the door of the mall to her car 250m down the line of cars, and then turns 90 degrees to the right and walks an additional 60 meters. What is the magnitude of the displacement of her car from mall door.
A fine metal foil separates one end of 2 pieces of opticallyflat glass, How thick is the foil
determine the kinetic energy of the ball at its highest point. Illustrate what is its speed when it is 9.0 m below its highest point.
Two small 5.17-kg masses are joined by a string, which can be assumed to be massless. The string has a tangle in it, What is the angular velocity of the masses after the string untangles
Velocity has a magnitude and a vector. consider a boat moving initally with velocity of 30 m/s directly west. What is the change in velocity
a wheel radius 0.6 m is rolling on a horizontal surface with a center of mass acceleration of 0.7 ms2. if the force
A spring-loaded gun, fired vertically, shoots a marble 6.4 m straight up in the air. What is the marble's range
A 30-kg shopping cart full of groceries sitting at the top of a2.0-m hill begins to roll until it hits a stump at the bottom ofthe hill. How deep is the dent made in the car?
Years ago, a block of ice with a mass of about 19.0 kg was used daily in a home icebox. The temperature of the ice was 0.0°C when it was delivered. how much heat did a block of ice absorb
a starship blasts past the earth at 2.0108 ms .just after passing the earth the starship fires a laser beam out its
Water is pumped into a storage tank from a well delivering 21.0 gallons of water in 27.0 seconds through a pipe of 1.00 in.2 cross-sectional area.
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