Physics Exam

Front

What is scientific notation?

Back

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

Convert 7.03 x 10^3 to numerical notation.

Back

7,030

Front

What happens to the mass of a satellite as it travels away from Earth?

Back

The mass is the same.

Front

How many significant figures are in the number 0.0509?

Back

3

Front

What type of collision occurs when water is sprayed on a friend?

Back

Inelastic collision.

Front

Convert 62 mph to m/s using the conversion 1 m/s = 2.23 mph.

Back

28 m/s.

Front

What is the formula for converting mph to m/s?

Back

Speed in m/s = Speed in mph ÷ 2.23.

Front

Define significant figures.

Back

Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is an elastic collision?

Back

A collision in which both momentum and kinetic energy are conserved.

Front

What is an inelastic collision?

Back

A collision in which momentum is conserved, but kinetic energy is not.