Acar with a mass of 2000 kg and a truck with a mass of 4000 kg are both moving at 20 m/s. which of these statements is correct? a. the car's momentum is smaller than the truck's momentum. b. the car's momentum is larger than the truck's momentum. c. the car and the truck have the same momentum.

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

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

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?