A object of mass 33 is dropped from a height of 85 meters. Calculate the average power developed by the object in falling through this distance. Take g as 9.81 m/s^2 give the answer in watts to three significant figures
A satellite circles the moon at a distance above its surface equal to 2 times the radius of the moon. The acceleration due to gravity of the satellite, as compared to the acceleration due to gravity on the surface of the moon is
Weightlessness is experienced by an astronaut in space. This means that the astronaut's muscles have to be stronger to move his body or lift other objects. True False
A 15 kg mass is moving at 7.50 meters per second on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase it's speed to 11.5 meters per second?
With a 12 V battery, what is the voltage drop across each resistor? In a parallel circuit the voltage ( DIVIDES / DOES NOT DIVIDE ) across each resistor. The voltage across each resistor is __________.
With a 12 V battery, what is the voltage drop across each resistor? In a series circuit the voltage ( DIVIDES / DOES NOT DIVIDE ) across each resistor. The voltage across each resistor is __________.
