Consider a lunar rover of mass m = 200 kg traveling at constant speed over a semicircular hill of radius rho = 100 m. The acceleration due to gravity on 2 the moon is g = 1.6 m/s . How fast can the rover travel without leaving the moon’s surface anywhere on the hill?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.