What does a car weigh if it's tires cover an area of 4 cm and each tire exerts a pressure of 1000 N per square centimeter on the ground

Force is measured in units called

Question 1 Unsaved Sun 101 - Which two complementary forces keep the Sun from blowing itself up? Question 1 options: fusion and magnetism helium and hydrogen photons and magnetism fusion and gravity

If you know the input distance and output distance of a machine, which quantity can you calculate? A. work B. efficiency C. actual mechanical advantage D. ideal mechanical advantage

A smoke jumper jumps from a plane that is 18001800 ft above the ground. the function h equals negative 16 t squared plus 1800h=â16t2+1800 gives theâ jumper's height h in feet during the free fall at t seconds. a.

A 1.0 kg ball is thrown into the air with an initial veocity of 30. m/s. how much kinetic energy does the ball have?

ions are atoms or groups of atoms that have a positive or negative charge. which of the following statements is true of ions?

1. According to the nebular theory, the solar system formed from? A. accretion of protoplanets. B. a large, thin cloud of dust and gas. C. colliding planetesimals. D. all of the above 2.

What is the difference between tangential acceleration and centripetal acceleration?

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast