What kind of friction is occurring between a pencil and desktop when you flick the pencil?

Rolling friction

Fluid friction

Static friction

Sliding friction

Which of the following statement is TRUE about elastic and inelastic collisions? (Consider these to be about "perfectly elastic" and "totally inelastic.") Group of answer choices Most collisions tend to be partially to completely elastic.

At night, the demand for electricty supplied by a fission nuclear reactor decrease. how is the fission nuclear reaction controlled to avoid overproduction of electricity

What keeps an ionic bond held together?

Heat energy goes from

What is a refracted wave? Give an example.

One watt is equal to which of these values? 1 joule/hour 1 joule-hour 1 joule/second 1 joule-second

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?