If you lift a 20kg barbell 4.0 meters off the ground, how much work did you do?

The horizontal and vertical parts of vector are called ...

Which of the following statements is/are true? Check all that apply. Check all that apply. The work done by a nonconservative force depends on the path taken.

If a Ferrari with an initial velocity of 10 m/s accelerates at a rate of 50 m/s squared for three seconds what will its final velocity be?

What does the p mean in 1s22s22p63s?! o the p shell o one of the 4 sub-shells o always represents the outermost shell

A car travels 30.0 km to the south and then turns around and travels 20.0 km to the north in 1.5 hours time. What is the car's total displacement? What is the car's average velocity?

550 g of water at 105°C is poured into an 855 g aluminum container with an initial temperature of 11°C. The specific heat of aluminum is 900 J / (kg K).

what occurs when the soccer ball contacts the hands or arm of any player on the field except the goalkeeper?

Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and tighter. Over time, the bottom layers of sand have formed into sandstone, with colored bands showing the different layers.

How do i solve A sound wave has a frequency of 658 Hz in air and a wavelength of 0.46 m. What is the temperature of the air? Assume the velocity of sound at 0◦C is 331 m/s. Answer in units of ◦C

How has the space program affected Florida's culture