Friction force equation

Which statement describes the relationship of resistance and current? 1. Resistance is directly proportional to current because R =. 2. Resistance is inversely proportional to current because R =. 3.

How is it that everything around us including ourselves came from nothing

Why does the moon have so many craters compared to the earth?

A 50-kg bicyclist coasts up a hill. What is the cyclist change in kinetic energy as her altitude changes from 15m to 20m? A) 0 joules B) approximately 2,500 joules C) approximately 7.500 joules D) approximately 10.000 joules

What is the acceleration of an object with a mass of 15 kg and a coefficient of friction of 0.18

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

The strength of the electric field 0.5 m from a 6 µC charge is positive N/C. (Use k = 8.99 * 109 N• and round answer to the nearest whole number.)

Which of the following equations correctly expresses the relation between vectors A⃗, B⃗, C⃗, and D⃗ shown in the figure?

Oliver, whose mass is 65 kg, and Olivia, whose mass is 45 kg, sit 2.0 m apart in the physics classroom. What is the force of gravitational attraction between Oliver and Olivia

Which is an application of radio waves? allow doctors to see inside a person's body carry information between cell phones sterilize surgical instruments reheat or cook food quickly and easily