A table with a mass of 23.5kg sits on the ground. What is the normal force on the table? A. 230 N
B. 442 N
C. 176 N
D. 23.5 N

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Smallest intensity of a stimulus that you can detect 50 percent of the time is