What is the speed of a ball thrown that is dropped that falls for 0.5 seconds and how far does the ball fall? a. 9.8 m/s, 9.8 m
b. 4.9 m/s, 1.23 m
c. 0 m/s, 0 m
d. 9.8 m/s, 1.8 m

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter