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A body weighing 157 Newton is pulled over a horizontal surface with constant velocity by a constant force of magnitude 55 Newton directed 15 degree above the horizontal. Find the work done by the applied force, the force of gravity, the normal force and the force of friction when the body has traveled 2.3 meter along the surface.
Two 1.5 g spheres are charged equally and placed 1.6 cm apart. What is the magnitude of the charge on each sphere
two charges are placed on the x axis. one charge q1 18.5 microc is at x1 3.0 cm and the other q2 -13 microc is at x2
A 41.7 kg seal at an amusement park slides from rest down a ramp into the pool below. what is the work done by kinetic friction
an electron is moved from point a where the electric potential is va -280 v to point b where the electric potential is
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.9 m/s. How high does the ball rise
A spherical 0.34 kg orange, 2.0 cm in radius, is dropped from the top of a building of height 33 m. After striking the pavement, the shape of the orange is a 0.60 cm thick pancake. Neglect air resistance and assume that the collision is completely in..
Batteries are recharged by connecting them to a power supply (i.e., another battery) of greater emf in such a way that the current flows into the positive terminal of the battery being recharged
q1. a trapeze artist swings in simple harmonic motion with a period of 7.0 s. the acceleration of gravity is 9.81 ms2.
Suppose that the bike rider in problem 15 pedaled up the hilland never came to a stop. in what system is energy conserved? from what form of energy did the bike gain mechanial energy?
If 5.0 moles of air is at 0.0 degrees Celsius and 1.0 atm pressure, what is the volume occupied by the gas in m^3
You calculated a value of 0.49 s ± 0.04 s for the time constant from your graph. If you used a 1M?, what is the equivalent capacitance of your circuit
A spinning ice skater speeds up by pulling her hands to theside of her body. Approximate the ice skater by a cylinder ofradius 10cm and mass 30kg. what is her final angular velocity
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