A wave of frequency f=50hz propagates at a speed v=100cm/s calculate its wavelength

Suppose that an owner of the same dog breed has also taken some measurements. They notice that the surface area of the dog has increased by a factor of 3 over a period of four years.

A truck accelerated from a velocity of 20 m/s to velocity of 5 m/s in a period of 5 seconds. Determine the acceleration of the truck with the proper units. A. 2 meters / second B. - 3 meters / second C. 3 meters / second squared D.

Kepler's third law can be used to compare the moon's orbit around the earth to the orbit of the earth around the sun.

after swimming away from captain terror randy enters a 16 yard downhill couch race. how many feet is the race

In a nuclear power station which step of the process converts energy of other forms into electrical energy that can be used as electricity? A) Fission reactions occur in the reactor core, generating heat.

How do we use light in space?

What units are used for gravitational potential energy? Write the name, not the symbol.

A 7.5 kg block is placed on a table. If it's bottom surface area is 0.6m2, how much pressure does the block exert on the tabletop? A. 376.5 Pa B. 73.5 Pa C. 226.5 Pa D. 122.5 Pa

A boulder of mass 2000 kg is at the top of a cliff of height 220 m. Determine how fast the boulder will be moving when it strikes the dirt below.

Which of the following statements are true? Check all that apply. O A positive charge and a negative charge attract each other. O Electric charge is conserved. O Two positive charges attract each other. O A neutral object contains no charge.