From the top of a cliff, a person tosses a pebble straight downward with an initial velocity of - 9.0 meters/second. After 0.50 seconds, how far beneath the cliff is the pebble?

a) - 2.0

b) - 3.9

c) - 5.7

d) - 10.3

Suppose Eratosthenes' results for Earth's circumference were quite accurate. If the diameter of Earth is 12,740 km, what is the length of his stadium in kilometers?

A 30.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the square of its speed. The object falls with an acceleration of 4.00 m/s2 downward when it is falling downward at 70.0 m/s.

There are lots of examples of ideal gases in the universe, and they exist in many different conditions. In this problem we will examine what the temperature of these various phenomena are.

A bobsleds distance time graph indicates that it traveled 100m in 25s what is the bobsleds speed

Think about how you obtain the energy you need to do everyday activities like doing chores, going to school, or playing sports. Explain by writing about it.

Calculate the change in the canister pressure when the outside temperature changes from 72 ∘f to 80 ∘ f.

Give two examples of motion related to civil engineering.

The waves shown below represent sound waves. Which of the waves would have the highest-pitched sound?

In most materials, as heat energy is absorbed, density

What types of energy transformations take place in a windmill