Which type of change happens when water gets into tiny spaces in

a rock and freezes?

erosion

physical weathering

depositing sediment

chemical weathering

Which has the greater kinetic energy? A large truck traveling 40 meters per second or a small car?

How can we get a clue as to the temperature of a star

What is the unit for coefficient of kinetic friction?

Which best describes the facilities involved in the Healthcare cluster? Some facilities are privately owned, some are funded and run by the government, and some are run by nonprofit organizations.

A girl pushes a 10.0kg sled at a constant speed by applying a force of 75N at an angle of 30 degrees with respect to the horizontal. The sled is pushed over a distance of 15 meters. How much work is done by the force of friction?

By applying a force of 50N, a pulley system can lift a box with a mass of 20 kg. What is the mechanical advantage of the pulley system?

Three capacitors C1 = 10.1 µF, C2 = 23.0 µF, and C3 = 29.4 µF are connected in series. To avoid breakdown of the capacitors, the maximum potential difference to which any of them can be individually charged is 125 V.

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field