Displacement along the horizontal direction
A constant force of 20 N is applied to an object of mass 8.0 kg at an angle of 25° with the horizontal. What is the work done by this force on the object if it causes a displacement of 2.0 m along the horizontal direction?
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A spherical shell of inner radius 2.0 cm and outer radius 6.0 cm is charged to +9 nC A point charge of -6 nC is placed at the center of the shell. A. What are the charges, Q1 and Q2 on the inner and the outer surfaces of the shell?
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A boat is moving to the right with a constant deceleration of 0.3 m/s2 when a boy standing on the deck D throws a ball with an initial velocity relative to the deck with is vertical.
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To what temperature (in degrees Celsius) will 67,379 J of heat raise 0.6 kg of water that is initially at 10.0 degrees Celsius?
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