A 10 N force pulls to the right and friction opposes 2 N. If the

object is 20 kg, find the acceleration.

How long until you can swim after a belly button piercing?

If a m=74.7 kg person were traveling at v=0.990c, where c is the speed of light, what would be the ratio of the person's relativistic kinetic energy to the person's classical kinetic energy?

A projectile is shot from the edge of a cliff 140 m above ground with an initial speed of 120 m/s at an angle of 38 degrees above the horizontal. What is the time taken by the projectile to hit the ground 140 m below the cliff? (g = 9.8 m/s²)

The mass of a rocket decreases as it burns through its fuel. If the rocket engine produces constant force (thrust), how does the acceleration of the rocket change over time? Answers: - it does not chage - it increases - it decreases

How do mass and energy affect the acceleration of a rocket

What two factors determine the streghth of the force of gravity between tow object?

Which item (s) would be sufficient to make a circuit? a. Conductor b. Insulator c. Conductor and Battery d. Insulator and Battery e. Battery

Donde encontramos energia termica.?

How will physical and/or chemical weathering contribute to create rounded shapes during spheroidal weathering?

24 g of water is heated from 25 c to 35 c. how much heat energy was required