Air, water, glass, and crystals are examples of substances that light can pass through. Each of these substances is called?

A machine does 1,500 joules of work in 30 seconds. What is the power of this machine?

In understanding the trait of shyness, a behavioral geneticist will argue that: 1. genetics will determine two levels of shyness and environmental factors will determine which one actually occurs. 2. the influence of genetics on shyness is fixed. 3.

A stack of eight compact disks is 1.0 centimeter high. What is the thickness of one compact disk (CD) in centimeters? What is the thickness of one CD in millimeters?

A helium balloon rises because helium is dense than air

A coin of mass 0.01 kg is placed a distance 5 cm from the center of a phonograph turntable. The coefficient of static friction is 0.25. The rotational speed ⍵ of the turntable is slowly increased until the coin slides off.

Which has the same relationship as circle:cylinder? Triangle:sphere, square:window, rectangle:box, pentagon:counter

Which training principle does this scenario represent?

What is the wavelength of a wave? A. the amount of time that one full cycle takes. B. the distance from the beginning to the end of a cycle. C. the amount of cycles that occur in a given time. D.

Two football players collide on the field. Before the collision, their total momentum was 450 kgm/s to the north. What is their total momentum after the collision? A. More than 450 kgm/s north B. 450 kgm/s north C. Less than 450 kgm/s north D.

Jane and John Doppler effect