If you were trying to build a soundproof room, which of the following materials would you choose in order to absorb the most sound, based on the coefficient of absorption for each material? A. Wood B. Carpet C. Heavy curtains D. Concrete

Which lists the outer planets in order from furthest to closest to the Sun? Neptune, Uranus, Saturn, Jupiter Neptune, Saturn, Uranus Jupiter Jupiter, Saturn, Uranus, Neptune Jupiter, Neptune, Saturn, Uranus

Why would adding oil to the moving parts of a machine increase its efficiency?

Have properties that are in between metals and nonmetals. Alkali Metals Alkaline Earth Metals Halogens Metalloids

Does a mechanical wave transmit energy through a vacuum

A cyclist is riding his bike at a constant speed of S m/s, and experiences a frictional force between the bike and sidewalk of 100 N.

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?