Reconditioning valves is being discussed. Technician A says the valve is stroked across the stone at the same time it is fed in. Technician B says when the last pass is complete, back the valve out of the stone. Who is correct?

Gray whales travel down California's coast as they migrate between cool waters off Alaska to the warmer waters along Mexico. In which area do you think more thermal energy would move from the whale to its environment? Explain.

Think of an example that you could use to convice a friend that an object at rest has an "internal hold back property" that is different from a frictional force or the force of the earth's gravity.

Two boats start together and race across a 74-km-wide lake and back. Boat A goes across at 74 km/h and returns at 74 km/h. Boat B goes across at 37 km/h, and its crew, realizing how far behind it is getting, returns at 111 km/h.

In a student's paper, what should a citation for an online source include? O the student's opinion on the author O the student's opinion on the information O the name of the author of the source O the name of the school the student attends

What is the velocity of an Earth satellite that is in a circular orbit with a radius of 7.5 * 107 meters measured from the center of the Earth? 2.9 * 103 meters/second 2.3 * 103 meters/second 7.5 * 103 meters/second 5.9 * 103 meters/second

Ways that charges can be transferred

A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can he throw same ball

What is the relationship between the slope of the position graph of an object and its velocity?

Differeniate between thermal energy and heat

The term that describes the time when the sun's are directly over the equator is: