The velocities and masses of four objects are given below. Which one of the following objects has the greatest inertia? a 50 kg runner at a speed of 6.0 m/s
a 80-pound tortoise at a speed of 2 m/s
a 400 g bullet moving at 350 m/s
a 80 kg wrestler standing still

How do hydroponic plants differ from nonhydroponic plants? a.) hydroponic plants can grow in a dryer soil. nonhydroponic plants grow in moist soil. b.) hydroponic plants grow on other plants and are known as air plants. nonhydroponic plants do not grow on other plants. c.) hydroponic plants can only grow in rain forests. nonhydroponic plants cannot grow in rain forests. d.) hydroponic plants are grown without soil. nonhydroponic plants are grown in soil.

If a simple machine reduces the strength of a force, what must be increased?

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?