What is heat and what is its effect on objects

Calculating Power Read each scenario and then answer the question. Scenario A: 120 J of work is done in 6 s. Scenario B: 160 J of work is done in 8 s. Scenario C: 200 J of work is done in 10 s. Which scenario uses the most power?

Why do most objects tend to contain nearly equal numbers of positive and negative charges?

A 0.3 kg mass rests on top of a spring that has been compressed by 0.04 m. Neglect any frictional effects, and consider the spring to be massless.

A rugby player passes the ball 7.00 m across the field, where it is caught at the same height as it left his hand. At what angle was the ball thrown if its initial speed was 12.0 m/s? (in degrees)

Two lasers are shining on a double slit, with slit separation d. laser 1 has a wavelength of d/20, whereas laser 2 has a wavelength of d/15. the lasers produce separate interference patterns on a screen a distance 4.50 m away from the slits.

Electrons are a lot lower in mass than neutrons true or false

How can you measure mold on food?

The cooled lava pools on the surface of a crater are called what? 1. Craters 2. Terrae 3. Maria 4. Reoglith

A child walks 35 meters in 7 seconds. calculate the child's speed.

Is this wave transverse or longitudinal