Answers: 2
Physics, 23.06.2019 03:00, neyssa83
Suppose that a cylindrical tank 6 meters high with a radius of 2 meters is filled to the rim with water. the tank is buried so that the top of the tank is 1 meter below ground level. the space above the tank is not filled with water. calculate how much work needs to be done by a pump to pump the water out of the tank up to ground level. (the water weighs 9,800 newtons per cubic meter.)
Answers: 2
Physics, 23.06.2019 07:00, cdjeter12oxoait
Roger pushes a box on a 30° incline. if he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box? a. 5.2 × 102 joules b. 6.0 × 102 joules c. -5.2 × 102 joules d. -6.0 × 102 joules
Answers: 3
Force of 92 N is exerted horizontally on an 18 kg box of books. The coefficient of kinetic friction...
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