HESI Physics Questions with Answers and Explanations
1.
When a junked car is compacted, which statement is true?
A.
Its mass increases.
B.
Its mass decreases.
C.
Its density increases.
D.
Its density decreases.
Explanation: Since density = mass/volume, it should be obvious that the decrease in volume as a car is crushed should lead to an increase in density. Nothing happens to change the mass of the car.
2.
A car travels 3 miles north, 6 miles south, 2 miles east, 2 miles west, and then 3 miles
north. Which of the following is true?
A.
The displacement of the car is 16 miles, and the distance traveled is 0 miles.
B.
The displacement of the car is 16 miles, and the distance traveled is 16 miles.
C.
The displacement of the car is 0 miles, and the distance traveled is 0 miles.
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