What causes a star to shine brightly?

the color that is produced

the energy that is released

the amount of gravity that is present

the types of elements that are present

If 2.0 J of work is done in raising a 180 g apple, how far is it lifted

A man stands on his balcony, 130 feet above the ground. He looks at the ground, with his sight line forming an angle of 70° with the building, and sees a bus stop.

In your own words, discuss how tides are monitored. Describe the old and new methods of monitoring tides.

A blender transforms M energy into K energy. What do M and K most likely represent? M represents chemical energy, K represents radiant energy M represents radiant energy, K represents chemical energy M represents mechanical energy, K represents

What is the unit used for work?

A flask containing neon gas is connected to an open-ended mercury manometer. The open end is exposed to the atmosphere, where the prevailing pressure is 745 torr. The mercury level in the open arm is 50.

1. f= 2. v= 3. 2 = 4. T= 8 m/s 8 sec 8 Hz 8 m Match the letters with the measurements

A skier speeds down a smooth ski slope which is at an angle of θ = 23° with the horizontal. The mass of the skier is 71 kg. Take the downhill direction to be positive and uphill to be negative.

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.0 m/s in 3.30 s.

Why do skiers often wear sunglasses while they are skiing