In order for a spacecraft mission using a propulsion system to be successful, the sum of three forces, 1) Earth's gravity, 2) the Sun's gravity, and 3) the Sun's light pressure, must be a net force in the desired direction of travel.

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

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?