As you slide a heavy box across the floor, friction applies a force of - 60 N over a distance of 5 m. How much work is done by friction?

A. - 55 J

B. - 60 J

C. - 300 J

D. - 15 J

How do unicellular organisms grow? A. increase in cell size B. decrease in cell size C. increase in cell number D. decrease in cell number

Assuming a successful launch, what is the speed of the small CO2 rocket given that it travels about 10 meters in about 3 seconds?

The force of attraction between any two onjects is known as

Which of the following is a hormone directly related to the human sex drive? O Testosterone O Norepinephrine O Insulin O Epinephrine O Acetylcholine

You are located in the continental u. s. on the first day of october. how will the position of the sun at noon be different two weeks later?

Which of the following describes the flow of charges through a wire or a conductor?

What is the kinetic energy of a 2 kg snowball thrown through the air at 5 m/s?

A 5.00*105-kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. what is the force constant k of the spring

A moving object always has energy in its?

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?