Question 3 1 pts
Given that a steam turbine has a hot reservoir of 115°C and a sink at
37°C, what is the ideal efficiency of the steam turbine? Round to the
nearest hundredth.
O 0.877
O 0.20
O 0.05
O 0.67

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?