Which would you expect to have the greatest amount of friction?

a - a smooth surface on a smooth surface

b-a smooth surface on a rough surface

c-a rough surface and air

d-a rough surface on a rough surface

What is the momentum of a. 005kg bumble bee that is traveling at a velocity of 3.0m/s?

Vanadium metal has a molar heat capacity of 24.9 J/mol·K. Given that q = Cm * n * ΔT, how many moles of vanadium are present if 3.27 ✕ 103 J of heat is required to raise the temperature of the sample by 36.7 K?

Which statement describes an open circuit? The circuit is incomplete and broken, and the lights in the circuit shine. / The circuit is complete and unbroken, and the lights in the circuit shine.

What travels on a wave

An elevator held by a single cable is ascending but slowing down. part a is the work done by tension positive, negative, or zero? is the work done by tension positive, negative, or zero?

A sound wave is produced when a medium begins to blank.

What is the instantaneous velocity of a freely falling object 12 s after it is released from a position of rest?

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What is impossible for a machine to do? A) do a greater amount of work than the amount of work done on the machine B) apply a force in a direction that is different than the direction of the force applied to the machine C) move an object a greater

The phosphorus cycle keeps phosphorus availability naturally low. True or false?