How do musical instruments vary pitch

Two vectors, X and Y, form a right angle. Vector X is 48 inches long and vector Y is 14 inches long. The length of the resultant vector is inches. Two vectors, X and Y, form a right angle. Vector X is 48 inches long and vector Y is 14 inches long.

Coal and other fossil fuels are considered to be "nonrenewable" sources of energy. How does the use of nonrenewable fuels affect the total energy of the universe? A.

What should i do if i'm stuck at home? Any thing except watching movies and going to sleep

Calculate the pressure in pascals if a 140N force is applied to an area of 0.1m².

Sayid made a chart listing data of two colliding objects. According to the law of conservation of momentum, what is the missing value in the chart?

Identify each type of simple machine.

A car's speedometer reads 20 m/s after accelerating, from a standing start, for 25s. What was the magnitude of its acceleration?

What happens to the period of a pendulum and the period of a spring as the amplitude of the oscillation increases? Briefly give an explanation for this relationship.

The element that is most abundant in earth is

Your car travels 600 miles in 6 hours. You stop the car for lunch for 1 hour and then you continue on your trip for another 14 miles and finish the entire trip in 8 hours. What was your car's average speed while you were driving?