HESI Physics

HESI Physics

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Question 1 of 20

1. Question
If a car has an average speed of 68 m/s, how far can the car travel in 4 minutes?
- 10,070 meters
- 17,007 meters
- 16, 320 meters
- 13, 620 meters
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Question 2 of 20

2. Question
A truck moving at 67 m/s accelerates uniformly to a speed of 121 m/s in 10 minutes. What is the acceleration of the car?
- 0.9 m/s2
- 0.09 m/s2
- 0.009 m/s2
- 0.909 m/s2
Correct

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Question 3 of 20

3. Question
A tire rolls at 0.78 m/s and decelerates at a uniform rate of 0.34 m/s2. How long will it take for the ball to come to rest?
- 2.29 s
- 1.29 s
- 2.92 s
- 1.92 s
Correct

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Question 4 of 20

4. Question
A toy airplane is launched with an initial speed of 55 m/s at an angle of 65°. How far does the projectile travel horizontally after 56 seconds?
- 108.54 m
- 118.33 m
- 116.22 m
- 180.54 m
Correct

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Question 5 of 20

5. Question
An object dropped from an airplane reaches the ground in 120 seconds. At what height was the airplane at the moment the object was dropped?
- 56,075 m
- 70, 560 m
- 65,120 m
- 75, 657 m
Correct

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Question 6 of 20

6. Question
An object accelerates 96 m/s2 after being acted upon by two opposing forces of magnitudes 90 N to the left and 567 N to the right. What is the mass of the object?
- 3.927 kg
- 3.279 kg
- 7.329 kg
- 9.237 kg
Correct

Incorrect
Question 7 of 20

7. Question
A house weighs 10,000 N. What is its mass?
- 12, 240.65 kg
- 14,240.04 kg
- 1,204.00 kg
- 1,020.40 kg
Correct

Incorrect
Question 8 of 20

8. Question
A box of mass 89 kg is moving across an uneven surface. If the frictional force experienced by the block is 786 N, what is the coefficient of friction between the box and the surface?
- 9.0 u
- 0.901u
- 1.90 u
- 0.190 u
Correct

Incorrect
Question 9 of 20

9. Question
A fan blade that was rotating at a speed of 560 revolutions per second for 15 minutes had its speed setting turned down to 340 revolutions per second after 10.5 minutes. What is the angular acceleration over this period of time?
- 0.85 rev/sec2
- 0.58 rev/sec2
- -0.58 rev/sec2
- -0.85 rev/sec2
Correct

Incorrect
Question 10 of 20

10. Question
A motorcycle of 450 kg mass is driven around a circular race track of 700 m radius at a constant velocity of 330 km/h. What is the centripetal force acting on the car?
- 58.93 N
- 98.78 N
- 45.67 N
- 23.56 N
Correct

Incorrect
Question 11 of 20

11. Question
A bus drives in a circle in a radius of 265 m and travels 1256 m. What is the angular displacement of the car?
- 5.634 m
- 6.765 m
- 4.906 m
- 9.065 m
Correct

Incorrect
Question 12 of 20

12. Question
What is the image height of a 16 cm tall box that is placed 3.5 cm away from a convex mirror that has an image distance of 5.5 cm?
- -25 cm
- -27 cm
- 25 cm
- 27 cm
Correct

Incorrect
Question 13 of 20

13. Question
A roller skater, who has a mass of 85 kg has 1450 J of Kinetic Energy. What is the velocity of the skater?
- 4.58 m/s
- 5.84 m/s
- 8.34 m/s
- 3.56 m/s
Correct

Incorrect
Question 14 of 20

14. Question
A jockey weighs 55 kg, and her horse weighs 150 kg. What is the momentum of the Jockey when riding her horse at 8 m/s southward?
- 1, 560 kg m/s south
- 1, 640 kg m/s south
- 1, 470 kg m/s south
- 1, 745 kg m/s south
Correct

Incorrect
Question 15 of 20

15. Question
A 2.6 Volt electric razor has a 10 Ohm resistance. What current flows through the trimmer?
- 1.36 A
- 1.98 A
- 0.26 A
- 0.98 A
Correct

Incorrect
Question 16 of 20

16. Question
Lacey is driving to school. The first mile of her drive takes her 5 minutes. The next 10 miles takes her 15 minutes. What is her average speed over the 11 mile stretch in miles per hour?
- 44 mph
- 51 mph
- 35 mph
- 55 mph
Correct

Incorrect
Question 17 of 20

17. Question
A wheel is rotating at a rate of 1500 revolutions per minute. How many seconds will it take to complete 120 revolutions?
- 3.4 seconds
- 4.8 seconds
- 8.5 seconds
- 9 seconds
Correct

Incorrect
Question 18 of 20

18. Question
A 1.5 kg object attached to a 1.25 m string orbits around a central point with a speed of 12 m/s. How much tension does the string experience if gravity is not a factor?
- 85.6 N
- 172.8 N
- 216.0 N
- 43.5 N
Correct

Incorrect
Question 19 of 20

19. Question
If a man has a mass of 90 kg on the moon, what is his mass on the Earth?
- 180 kg
- 198 kg
- 40. 9 kg
- 90 kg
Correct

Incorrect
Question 20 of 20

20. Question
What is the proper way to express gravity on Earth?
- -9.8 m/s2
- 6.673 x 10-11 N m2 Kg-2
- 6 x 1024 kg
- 7.342 x 1022 /(1.74 x 106 )2
Correct

Incorrect

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