What do radio waves and micowaves have in common

The acceleration of gravity on earth is approximately 10 m/s2 (more precisely, 9.8 m/s2. if you drop a rock from a tall building, about how fast will it be falling after 3 seconds?

How much heat energy must be removed from 100 g of oxygen at 22°C to liquefy it at - 183°C? (The specific heat of oxygen gas is 0.218 cal/g⋅°C, and its heat of vaporization is 50.9 cal/g.) a. 13 700 calb. 9 560 calc. 4 320 cald. 2 160 cal

What would most likely form along this fault if it were convergent fault rather than a transform fault A. rivers B. mountains C. rift valleys D. island chains

A boy and his skateboard have a combined mass of 65KG what is the speed of the boy and skateboard if they have a momentum of 275 KG times M/s

Red and blue light are simultaneously passed through a diffraction grating. The first-order maxima for the red light is located 20 cm from middle of the central bright fringe.

Why are galaxies visible

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this

Sodium-22 Sodium-25 # of protons # of neutrons # of electrons

As the particles of a solid undergo sublimation, they A: lose energy B: move closer to one another C: change temperature D: move farther apart from one another

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order