Calculate the gravitational force of 2 masses of 131 kg and 145 kg if they are 5.2 m apart.

A. 4.7 * 10^-8 N

B. 2.4 * 10^-7 N

C. 4.1 * 10^6 N

D. 2.1 * 10^7 N

The velocity of a bus increases by 20 m/s in 80 seconds. what is the acceleration of the bus

Coughing forces the trachea to contract, which affects the velocity v of the air passing through the trachea.

Which of these statements is not true about chemical reaction rates

What is formed when atoms share one or more electrons

A large truck and a small car have a head-on collision. Which scenario is true? A. The truck exerts a greater force on the car than the car exerts on the truck. B. The car exerts a greater force on the truck than the truck exerts on the car. C.

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?