Acart is uniformly accelerating from rest. which of the following best describes the net force acting on the cart?
a. increasing
b. decreasing
c. zero
d. constant

What is the coefficient of kinetic friction μk between the block and the tabletop?

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car