Answers: 3
Physics, 22.06.2019 10:10, natalieagustinlop54
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 18:30, okitsfrizz6366
Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
Answers: 1
Physics, 22.06.2019 19:00, helpmegraduate40
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)
Answers: 1
Galileo was the first scientist to do wh...
Mathematics, 30.04.2021 17:50
Mathematics, 30.04.2021 17:50
Biology, 30.04.2021 17:50
Mathematics, 30.04.2021 17:50
History, 30.04.2021 17:50
Mathematics, 30.04.2021 17:50
English, 30.04.2021 17:50
History, 30.04.2021 17:50
Mathematics, 30.04.2021 17:50