1. A block with length of p = 1.5 m, width 1 = 1 m,
height t = 0.5 m and mass, m = 300 kg lays on the
table. What is the pressure at the bottom surface of
the block?

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?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec