The Sun radiates about 3.83 × 1026 W of power. What is the force resulting from the solar radiation on Earth? The radius of Earth's orbit is 1.50 × 1011 m and the radius of Earth is 6.37 × 106 m. Assume that all the radiation is absorbed by Earth. A. 1.8 × 108 N
B. 2.9 × 108 N
C. 5.8 × 108 N
D. 8.8 × 109 N
E. None of these is correct.

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.