# Physics Final - Part Two

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1.
1 point
Two drivers make a 100-km trip. Driver 1 completes the trip in 2 hours. Driver 2 takes 3 hours but stops for an hour halfway. Which driver had a greater average speed?
2.
1 point
An object used as a reference point to determine motion should be:
3.
1 point
The product of an object's mass and its velocity is called the objec's:
4.
1 point
If there were no unbalanced forces acting on two objects, such as a rock and a piece of paper, they will fall at the exact same speed.
5.
1 point
Deceleration is another word for negative acceleration, meaning that an object is slowing down.
6.
1 point
Concepts A family takes a car trip. They travel for an hour at 80 km/h and then for 2 hours at 40 km/h. Find their average speed during the trip.
7.
1 point
Momentum is greater for objects with more mass.
8.
1 point
If we were to go to the moon, what would change, our mass or our weight?
9.
1 point
Air resistance is a type of:
10.
1 point
The law of conservation of mass states that if there are no outside forces acting on an object, the amount of momentum will stay the same.
11.
1 point
Which type of friction would describe two forces sliding over one another?
12.
1 point
A change in position with respect to a reference point is:
13.
1 point
Two objects traveling at the same speed have different velocities if they:
14.
1 point
What causes a piece of crumpled up paper to fall faster than a piece of flat paper?
15.
1 point
Velocity includes what two factors: