26. What are the 2 conditions required for work to occur?

What is the energy of a photon emitted with a wavelength of 571 nm?

Convert 15 joule into erg.

A car tire is filled with air at pressure 325000 pa at 303 K. When the tire cools, its pressure reduces to 299000 Pa. What is the new temperature of the tire?

A book falls off the desk and makes a sound when it hits the floor. The sound wave that travels through the air is

A (n) is a line in which waves move that are moving together all in the same phase Light wave Wave front Incident beam Dark wave

A 420 W vacuum cleaner is designed to operate 120 V. What is its resistance?

Technician A says that engine parts should be be cleaned before a thorough test can be done to detect cracks. Technician B says that pressure testing can be used to find cracks in blocks or cylinder heads. Who is right?

Which statement describes between a cup if cold water and a cup of boiling water

What role does friction play in the efficiency of machines

What does a map scale 1:25,000 mean