What determines how many electrons will leave a piece of metal in the photoelectric effect

How much heat is released when 30 g of water at 96°C cools to 25°C? The specific heat of water is 1 cal/gºC. Oa b ano 2,130 cal 0.213 cal -2,130 cal -0.213 cal

What are the laws of physics?

An automobile engineer found that the impact of a truck colliding at 16 km/h with a concrete pillar caused the bumper to indent only 6.2 cm. The truck stopped. Determine the acceleration of the truck during the collision.

What is the differences between novae and supernovae?

Convert 3.5 km/hr to m/s

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter