Is there an object that can lift a 45-N object

Who would like to explain the start o physics. How does it work? What's included with physics? What do you learn

I have a special thermos that has a vacuum chamber between my hot soup and its outside wall. Because my soup is isolated from its surrounding by a vacuum, A. My soup will stay warm forever because thermal energy cannot pass through a vacuum. B.

Give 5 examples of matter

As a box slides down a slope the presence of friction would

The IMA of a lever can be increased by decreasing the length between the applied effort and the pivot.

Which chemical compounds absorb large amounts of the sun's energy in the atmosphere? Select one: a. Nitrogen compounds, water vapor, and carbon compounds b. Carbon dioxide, water vapor, and dust c. Methane, nitrogen compounds, and dust d.

As protostars continue to contract, their cores become hotter and more dense until what process begins ...

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?

Which of the following elements are the most reactive? beryllium, calcium, magnesium, barium?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.