20 kg object travels 28 meter and stops. coefficient friction = 0.085 how much work was done by friction?

How many paths through which charge can flow would be shown in a diagram of a series circuit? 1. one 2. two or more 3. none 4. more information

If you have a set of christmas lights that is on a series circuit, predict what would happen if the series circuit were cut off in the middle. how would this differ from what would happen with a parallel circuit?

An old man wanted to leave all of his money to one of his three sons, but he didn't know which one he should give it to. He gave each of them a few coins and told them to buy something that would be able to fill their living room.

In which scenario is the least amount of work done on a crate? A) a force of 120 N moves it 25m. B) a force of 115 N moves it 26m. C) a force of 130 N move it 22 m. D) a force of 125 N moves it 27m.

Ice has a specific heat of 2.093Jg ∘C, liquid water's specific heat is 4.184Jg ∘C, and steam has a specific heat of 1.864Jg ∘C.

What are some of the benefits of learned optimism that have been found in research? O A. Fewer health problems O O B. All of these C. Making more money O D. A lower divorce rate

Katie runs 6 km in 0.6 hour, then 5 km in 0.5 hour. Katie's average speed is __ per hour.

A derived unit is a combination of fundamental units. Which of the following is an example of a derived unit? a) centimeter (used to measure distance) b) gram (used to measure mass) c) cubic centimeter (used to measure volume)

Technician A says that a heater core leak can be the result of the coolant wearing a hole through the core. Technician B says that a core leak can be caused by chemical action eating a hole through the core. Who is correct?

If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of a. an aftershock. b. liquefaction. c. a tsunami. d. landslides.