A boy throws a ball up into the air with a speed of 8.2 m/s. the ball has a mass of 0.3 kg. How much gravitational potential energy will the ball have at the top of its flight?

A box of cleaning supplies weighs 15 n. If the box is lifted a distance of. 60 m, how much work is done?

What is the PE of an object with a mass of 10 kg, and 2 meters up

Define relative density

If wind is slackening, which of the following statements is true? It is not as windy now as it was a little while ago. It is windier now than it was a little while ago. The wind is now mixed with rain and sleet.

2 boxes connected by a plus sign hold Wave 1 on top and Wave 2 on bottom. The crests of Wave 1 line up with the troughs of Wave 2. 2 curved lines connect these boxes with a third box showing the 2 waves superimposed.

PV = nRT, is the a. equation of state of an ideal gas b. theorem of equipartition of energy c. second law of thermodynamics

Which conducting electricity has the most harmful effects?

Which is the farthest known planet from the sun? a. Jupiter b. Saturn c. Uranus d. Neptune

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent