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A block of mass 2.50 kg is pushed 2.20m along a frictionless horizontal table by a constant 18.0 N force directed 25.0° below the horizontal.(a) Determine the work done by the applied force.(b) Determine the work done by the normal force exerted by thetable.(c) Determine the work done by the force of gravity.(d) Determine the work done by the net force on the block.
the column of mercury in a barometer has a height of 0.760 m when the pressure is one atmosphere and the temperature is
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air
A ray of light is incident on a flat surface of a block of cubic zirconia that is surrounded by water. obtain the angle of reflection
q1. a 3.10-m-long 310 kg steel beam extends horizontally from the point where it has been bolted to framework of a new
A proton initially at rest is accelerated by a uniform electric field. The proton moves 6.48 cm in 1.20 10-6 s. Find the voltage drop through which the proton moves
The magnetic field inside a superconducting solenoid is 4.1 T. The solenoid has an inner radius of 2.2 cm and a length of 29.0 cm. Find the magnetic energy density inside the solenoid
A 304 turn solenoid has a radius of 5.00 cm and a length of 20.0 cm, Find the inductance of the solenoid
A hollow metal sphere has inner radius a, outer radius b, and conductivity sigma. Evaluate the electric field strength at the inner surface of a copper sphere if 0.70cm and 28A
a car is traveling over a hill. if using a cartesian coordinate system with origin o at the top of the hill the hills
The surface of the Sun has a temperature of 5500 C and the temperature of deep space is 3.0 K. Find the entropy increase produced by the Sun in one day, given that it radiates heat at the rate of 3.80x10^26 W.
What is magnitude of the net force on the student
an engine has a hot reservoir temperature of 935 k and a cold reservoir temperature of 616 k. the engine operates at
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