A semiconductor can be made by adding atoms of other elements to

a.

aluminum.

b.

steel.

c.

silicon.

d.

zinc.

A football player runs at you with a velocity of 3.2 m/s and has a kinetic energy of 529 J. What is his mass?

What are the layers of the Sun, starting from the surface and moving inward? a) photosphere, radiative zone, convective zone, core b) core, radiative zone, convective zone, photosphere c) photosphere, convective zone, radiative zone, core d) core,

Which machine has an IMA less than 1 A: rake B: a crowbar C: a bottle opener D: a shovel

To measure velocity you must know

How can the rate of a reaction be increased? a. having more surface area b. Lowering the temperature c. diluting a solution d. decreasing the amount of reactants

Brian is a healthy young man. He has been training with his teammates for a 50-yard dash for months. However, even with practice, he cannot run fast enough to qualify. What is the most likely reason that Brian can't qualify?

1. Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? 2. Should car companies be required to produce electric cars?

How far will a ball travel that goes 35 meters per second for 18 seconds?

a 5.00 kg ball accelerates at a rate of 2.00 m/s squared for 1.50 seconds. calculate the balls momentum after the acceleration

An ice cube is dropped into a glass of water. Describe the motion of the ice cube and explain why it moves this way