Two charged objects have a repulsive force of. 80 N. If the charge of one of the objects is doubled, then what is the new force?

What is force explain and summarise all the importance of force

A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. the mass of the ball is 0.38 kg. the ball approaches the cushion with a velocity of + 2.50 m/s and rebounds with a velocity of - 1.90 m/s.

The temperature of the a body increase as the velocity of the body's molecules?

A 1400 kg wrecking ball hangs from a 20-m-long cable. the ball is pulled back until the cable makes an angle of 30.0 ∘ with the vertical. part aby how much has the gravitational potential energy of the ball changed?

You ride your bike for a distance of 30 km. you travel at a speed of 0.75 km/minute. how many minutes does it take?

Design an investigation to compare the durability of the three different brands

The surface area of the skin of a person who is 70 inches tall and weighs w pounds can be estimated by s (w) equals=342 w superscript 0.425342w0.425 , where s is in square inches.

The train speeds passed Holly at 70 km/h north ward. This spider crawls past lukes foot in the same direction at 30 m/h. What is the velocity of the spider relative to Holly?

What is the name of a particle with no charge in an atom?

What voltage produces a current of 500 amps with a resistance of 50 ohms?