What is the length of an aluminum rod at 65 degrees celsius if its length is 15 degrees celsius is 1.2 meters

Which statement best describes how work and power are different? a. To find work we need to know force and distance; to find power we need to know force and velocity. b.

What component of a longitudinal sound wave is analogous to a trough of a transverse wave?

a fish is looking at a 1.0 m high plant at the edge of a pond. Will the plant appear to the fish shorter or taller than its actual height? Draw a ray diagram to explain your answer.

Is the following sentence true or false trace fossils are not fossils of the animals themselves but are impressions of their activities such as trails and warm holes

When gamma radiation is released by an atom,. A) it is the only radiation emitted. B) it only ever accompanies beta radiation. C) it only ever accompanies alpha radiation. D) it usually accompanies beta or alpha radiation ...

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite