one half as much as before

four times as much as before

twice as much as before

the same amount as before

The lectures in this class are normally 80 minutes long.

Mankato is about 140 kilometers southwest of the Twin Cities.

The truck accelerated at 9.8 m/s2.

The boy had a mass of 40 kilograms.

Newton's Third Law of Motion.

Newton's Second Law of Motion.

Newton's Law of Gravity.

Newton's First Law of Motion.

Mass

Velocity

Force

Inertia

changing its speed.

changing its position.

changing its velocity.

changing its direction.

Galileo

Newton

Faraday

Archimedes

either its magnitude or its direction.

 its magnitude.

its direction.

both its magnitude and its direction.

 length and width

area and mass

velocity and time

length and time

the first car will move left and the second car will move right, both at 10 m/s

both cars will move together to the right at 10 m/s

 the first car will stop and the second car will move away at 20 m/s to the right

both cars will move together to the right at 20 m/s

 the momentum of the rifle is zero.

the momentum of the rifle is equal and opposite to the momentum of the bullet.

the momentum of the bullet is greater than the momentum of the rifle.

the momentum of the rifle is greater than the momentum of the bullet.