Select all the substances that can transmit sound waves.

a. air

b. wood

c. water

d. ground

e. oxygen gas

f. empty space

What parts are found in an electric generator

Charging a balloon by rubbing it on wool is an example of

A rubber block weighing 60. newtons is resting on a horizontal surface of dry asphalt. what is magnitude of the minimum force needed to start the rubber block moving across the dry asphalt?

At a fabrication plant, a hot metal forging has a mass of 75 kg and a specific heat capacity of 430 J / (kg? C°).

The precision of a laboratory instrument is ± 0.05 g. The accepted value for your measurement is 7.92 g. Which measurements are in the accepted range? Check all that apply. a) 7.85 g b) 7.89 g c) 7.91 g d) 7.97 g e) 7.99 g

Josh rolled a bowling ball down a lane in 2.5 seconds. The ball travelled at a constant acceleration of 1.8 m/s/s down the lane and was traveling at a speed of 7.6 m/s by the time it reached the pins at the end of the lane.

How many meters of the rock wall eroded between 1910 and 1927?

As air temperatures increase, evaporation increases. Warmer temperatures also increase the capacity to absorb water vapor. More water vapor in the atmosphere accelerates the greenhouse effect.

What is the speed of a 50 g rock if its de Broglie wavelength is 3.32 x 10?

The difference between newtons first law of motion and newtons third law of motion