Consider the astronaut on the surface of Mars. They release a 0.06 kg tennis ball from rest and the tennis
ball accelerates down toward the surface of Mars. What
is the acceleration due to gravity that this tennis ball
would experience as it falls to the surface? Consider air
resistance to be negligible.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system