force used to lift a 25kg mass to a height of 24m in 5 sec does 2120J of work. Calculate the power.

What machine actually reduces the amount of force exerted because it acts over a greater distance? A: a shovel B: a hammer C: a bottle opener D: a garden rake

Mary is a newly hired police officer. One day she observes two fellow officers removing drugs from theevidence room without authorization, i. e., they are stealing the drugs.

Two boxes (24 kg and 62 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 33-N pushing force P→ is horizontal and is applied to the 24-kg box, which in turn pushes against the 62-kg box.

What kind of wave is created if a tree falls in a forest?

A pilot can withstand an acceleration of up to 9g, which is about 88 m/s2, before blacking out. (a) what is the acceleration experienced by a pilot flying in a circle of constant radius at a constant speed of 485 m/s if the radius of the circle is

Find the period and frequency of a green photon that had a wavelength of 525 nm

Match these items. 1 . involuntary muscle tissues that have fibers 2 . tendons muscle controlled by will 3 . cardiac muscle muscle not controlled by will 4 . voluntary muscle arm muscle 5 . biceps heart muscle

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire? A. The current increases. B. The current decreases. C. The current is not affected by a change in filament thickness. D.

What is blochemistry?

Which element in period 3 on the periodic table is a metallioid