Are Magnetic force fields are straight lines

What is friction caused by?

Find the average speed of a horse that traveled east for 25km in 4 hours.

A car traveled 200 miles south Onl-29 in 4 hours. What's it's velocity

A 5.0 kilogram rock rolls off the edge of a cliff. If it is traveling at a speed of 24.2m/s when it hits the ground, what is the height of the cliff?

Assume that the comet has a total mass of 4.2*1012 kilograms. what is its total kinetic energy? (hint: the kinetic energy is equal to 12mv2, where m is the comet's mass and v is its speed.

On october 15, 2001, a planet was discovered orbiting around the star hd 68988. its orbital distance was measured to be 10.5 million kilometers from the center of the star, and its orbital period was estimated at 6.3 days.

A container of rocks with a mass of 65.0 kilograms is brought back from the moon's surface where the acceleration due to gravity is 1.62 meters per second2. what is the weight of the container of rocks on earth's surface?

A curved, transparent object used to refract light

Describe how two plates move in relation to each other along divergent plate boundaries?

Question 6 As main sequence stars age, their temperature becomes cooler. O True O False