What are the potential hazards associated with using coal

When asked how to create an electromagnet, the best answer would be, "You can create an electromagnet by A. applying a direct current to a non-magnetic material in order to create an electromagnetic field." B.

A student on her way to school walks eastward in a straight line 20.0 meters towards the bus stop, but realizes she dropped her physics notebook along the way and turns around to retrace her steps. She has traveled back 18.

Consider a no-friction 5.0 kg skateboard on a 15 degree ramp. If a 45 kg teenager jumps on, what would be her acceleration down the ramp? __m/s^2

What is the measure of how difficult it is for current to flow in a circuit? A. voltage B. resistance C. power D. energy

8. During the last few kilometers of a marathon, runners play mental games to test each other out. They accelerate to see if the other runners will accelerate also. If a runner has a velocity of 5 m/s and accelerates to 5.

The friends now feel ready to try a problem. Suppose an Atwood machine has a mass of m1 = 2.5 kg and another mass of m2 = 8.5 kg hanging on opposite sides of the pulley. Assume the pulley is massless and frictionless, and the cord is ideal.

What are the 3 main branches of natural sciences

A girl is walking 2km north them east then south then west whar is her displacement

Find the y-component of this vector:73.3,12.0m. Remember, angles are measured from the + x axis.

A smaller unit of volume than a milliliter would be a microliter. A microliter is one-millionth of a liter. Select one: a. True b. False