Which statement correctly compares sound and light waves? A. Both light and sound waves need matter to carry energy from one place to another.
B. Neither light nor sound waves need matter to carry energy from one place to another.
C. Light waves carry energy parallel to the motion of the wave, while sound waves carry energy perpendicular to it.
D. Sound waves carry energy parallel to the motion of the wave, while light waves carry energy perpendicular to it.

Identify the error in the sentence. my cat was so enormously overweight that the vet suggested, much to my cat's dismay putting him on a diet. a. overweight c. dismay b. suggested, d. diet.

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?