Which word is not a good way to describe exercise?

Will up-vote Astronomy is one of the oldest sciences. True False

Which of the following is prohibited by the 2nd law of thermodynamics? (A) A device that converts heat into work with 100% efficiency (B) A device that converts work into heat with 100% efficiency.

There is little sunlight at high latitudes during the winter, so few crops can grow even if temperatures are regulated. To address this problem, special lamps can be used in greenhouses. These lamps allow plants to grow during the winter months.

The science of applying pascals principal is called

The sumo wrestler originally only jumps 10 cm above the trampoline but he has the same total energy as the ball which was 200 cm higher than the trampoline. What causes this equivalence?

A rocky space object of varying size

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.