Will a change in the frequency of sound affect its speed?

A softball is hit high into the air. As it rises, the softball A) loses kinetic energy and loses potential energy. B) loses kinetic energy and gains potential energy. C) gains kinetic energy and gains potential energy.

A periodic wave has a fixed pattern that is repeated. What is one completion of the wave pattern called? a) period b) frequency c) amplitude d) cycle e) phase

A friend tells you a way to estimate how far away a lightning bolt strikes. You count the number of seconds between seeing the flash and hearing the thunderclap. Then you divide that number by five to get a distance in miles.

What us an object in motion but has it tends to stay in motion

What two instruments in a car can be used to measure the car's average speed?

High frequency sound waves have a shorter wavelength and a higher A. amplitude B. pitch C. wavelength? than low frequency sound waves

The difference between a hypothesis and an inference

How long would it take a 500 W electric motor to do 1.50 x 10^5 J of work?

The business practice of hiring workers in another country is known as globalization. insourcing. subcontracting. outsourcing.

A space vehicle is traveling at 2980 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward. The relative speed between the motor and the command module is then 94 km/h.