Mrs. Grosenheffer, whose mass is 141 kg, is doing a science demonstration in class. a) How much gravitational force does she exert on 55.0 kg Carly in the front row 1.50 m away?

b) How much gravitational force does she exert on 65.0 kg Norton in the back row 4.0 m away?

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)