A stone is thrown vertically upwards with an initial velocity of 40 ms-1. Find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?

Solve on the interval [0,21T): 4 csc X + 1 = - 3 D

Why is cellular respiration essential for homeostasis?

What is the intensity of a sound with a measured intensity level of 84 db? (i0 = 10-12 w/m2) ?

Students performed several trials using the laboratory setup shown. Students were also given this hypothesis: If friction increases, then the rolling distance of a marble will decrease.

Calculate a cars accerleration if it's speed is increased by 12ms-1 in a time of 3 seconds

The metric system and metric conversions are?

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because