Arace car starts from rest on a circular track of radius 478 m. the car’s speed increases at the constant rate of 0.747 m/s 2 . at the point where the magnitudes of the centripetal and tangential accelerations are equal, find the speed of the race car

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c

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