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Physics Final - Part Two
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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?
Neither, they were the same.
There is not enough information to answer this question.
An object used as a reference point to determine motion should be:
The product of an object's mass and its velocity is called the objec's:
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.
Deceleration is another word for negative acceleration, meaning that an object is slowing down.
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.
Momentum is greater for objects with more mass.
If we were to go to the moon, what would change, our mass or our weight?
Neither would change
Both would change
Our mass only
Our weight only
Air resistance is a type of:
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.
Which type of friction would describe two forces sliding over one another?
None of the above
A change in position with respect to a reference point is:
Two objects traveling at the same speed have different velocities if they:
travel different distances
move in different directions
have different masses
start at different times
What causes a piece of crumpled up paper to fall faster than a piece of flat paper?
Velocity includes what two factors:
Speed and force
Speed and distance
Speed and direction
Speed and time
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