A star is observed to have a temperature of 3000 K and then luminosity of 105.

What is the color of the star?

Maxwell introduced the displacement current as a correction to

Which of the following is an example of conduction? A A person warms their hands by the campfire. B A soup spoon gets hot after sitting in a bowl of hot soup. Warm air rises. D The sun warms the sand at the beach.

Two boys push on a box. They each push to the left with a force of 50 N. At the same time, a third boy pushes on the box, to the right, using a force of 50 N. What is the net force on the box?

Which are examples of a medium?

How is weight related to force?

Define quark? and its funtions

Suppose a pulley with an IMA of 2 was used with an input force of 50 N to lift a box 45 cm that weighs 100 N. What distance was the rope pulled?

A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 56 rad/s.

The smallest units of matter that normally cannot be broken down are

What relationship exists between the amplitude of a wave and amount of disturbance in the water?