Aweight lifter lifts 150 kg to a height of 2m in 10 seconds. what is the power used? remember, the force of an objects weight = mass x gravity a. 30w b. 1,500w c. 294 w d. 330w

Which of the following are guidelines to follow for obtaining accurate observations

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is