Which type of friction prevents a pile of rocks from falling apart?

Rolling friction

Kinetic friction

Cohesive friction

Static friction

A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds. A) 5.3 meters/second B) 4.3 meters/second C) 9.

A small boat is moving at a velocity of 3.35 when it is accelerated by a river current perpendicular to the initial direction of motion. If the acceleration of the current is 0.750 m/s2, what will be the new velocity of the boat after 3.35s?

Explain what makes rhombus different from other quadrilaterals

When isn't momentum conserved?

If you combine a weak acid with an equal amount of a strong base, will the solution be acidic or basic?

If the masses of an object increase and their distance from each other stays the same the force of gravity decreases increases stays the same increases then decreases

What is Avogadro's number? A. 5.002 Ã - 1020 B. 2.3 Ã - 1021 C. 6.02 Ã - 1013 D. 6.02 Ã - 1023

Mathew, a farmer, cultivates monocultures of wheat. What negative effect will monoculture farming have on Mathew's land? A. crop productivity will decrease B. greenhouse gases will generated C. nutrients will not be recycled back into the soil D.

Which best describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media

A novelty golf ball of mass m is launched with an initial velocity v0 = (25i + 13j) m/s and then follows a parabolic trajectory. At the top of the ball's trajectory, it explodes into two fragments A and B.