To create electromagnetic induction, which of the following has to move?

A. a wire

B. a magnet

C. a transformer

D. either a or b

Which of these is changed by the Milankovitch cycles? A) the reflectivity of Earth B) the amount of solar energy that reaches Earth C) the length of a year on Earth D) the duration of seasons on Earth

Speed (S) of a moving object is calculated from

Choose the situation that is an example of heat transfer by radiation. An ice cube melts while you hold it in your hand. B. Hot soup rises to the top of the bowl while cooler soup sinks to the bottom. C.

What type of energy is released when fossil fuels are burned?

A 0.77 kg spike is hammered into a railroad tie. The initial speed of the spike is equal to 3.5 m/s. If the tie and spike together absorb 88.

What is the velocity of a bullet train that moves 400 meters west over 3 minutes anad 20 seconds?

While in empty space, an astronaut throws a ball at a velocity of 12 m/s. what will the velocity of the ball be after it has traveled 6 meters?

Which of the following statements are true? (Select all that apply.) Ammeters have a relatively high resistance and are placed in parallel with a resistor. Ammeters have a very low resistance and are placed in series with a resistor.

If a boulder has a weight of 675,000 N what is it's mass

How does the mass of something affect the potential energy?