Balanced rock has a mass of about 36,000 kg. if the acceleration due to gravity is 9.8 m/s², (9.8 squared) what is the force that the rock is exerting on its pedestal? include labels.
hint: remember newton's second law, f=ma.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Which describes an object in projectile motion? check all that apply.a.gravity acts to pull the object downb.the object moves in a straight path.c.the forward velocity of the object is 0 m/s.d.the object’s inertia carries it forward.e.the path of the object is curved.

Air enters a gas turbine with two stages of compression and two stages of expansion at 100 kpa and 17°c. this system uses a regenerator as well as reheating and intercooling – the intercooler returns the air to the inlet temperature. the pressure ratio across each compressor is 4 ; 300 kj/kg of heat are added to the air in each combustion chamber; and the regenerator operates perfectly while increasing the temperature of the cold air by 20°c. determine the system’s thermal efficiency. assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. (0.378)