# Practice Science Questions

## Physics Velocity

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1. Q: A car moved 80 km to the South. What is its displacement?A: 20 km SouthB: 50 km EastC: 80 km SouthD: 160 km North-------------------------------------2. Q: A car moved 60 km East and 90 km West. What is the distance?A: 30 kmB: 60 kmC: 90 kmD: 150 km-------------------------------------3. Q: A car moved 60 km East and 90 km West. What is the displacement?A: 30 km WestB: 60 km WestC: 30 km EastD: 150 km-------------------------------------4. Q: Average velocity can be calculated by dividing displacement over what?A: timeB: distanceC: massD: density-------------------------------------5. Q: What is the average velocity of a car that moved 60km in 3 hours?A: 10 km/hB: 20 km/hC: 30 km/hD: 60 km/h-------------------------------------6. Q: What is the average velocity of a car that moved 40 km East and 80 km West in 2 hours?A: 5 km/hB: 10 km/hC: 15 km/hD: 20 km/h-------------------------------------7. Q: How far will a car travel in 25 min at 12 m/s?A: 10 kmB: 14 kmC: 18 kmD: 24 km-------------------------------------8. Q: How far will a car travel in 2 hours at 20 m/s?A: 144 kmB: 158 kmC: 168 kmD: 234 km-------------------------------------9. Q: If car A is at 40 km/h and car B is at 10 km/h in the opposite direction, what is the velocity of the car A relative to the car B?A: 10 km/hB: 20 km/hC: 40 km/hD: 50 km/h-------------------------------------10. Q: If you are walking at constant velocity of 8 km/h and a car passed you by at the speed of 30 km/h from behind, what is the car's velocity from your viewpoint?A: 22 km/hB: 30 km/hC: 38 km/hD: 40 km/h-------------------------------------11. Q: If car A is at 70 km/h and car B is at 50 km/h in the same direction, what is the velocity of the car A relative to the car B?A: 10 km/hB: 20 km/hC: 30 km/hD: 40 km/h-------------------------------------12. Q: If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?A: 12 kmB: 19 kmC: 31 kmD: 43 km-------------------------------------13. Q: Acceleration is the measure of the change in what?A: densityB: motionC: velocityD: mass-------------------------------------14. Q: Average acceleration is calculated by:A: velocity change devided by the massB: mass change devided by elapsed timeC: velocity change devided by elapsed timeD: velocity change devided by gravity-------------------------------------15. Q: If a car accelerates from 3 m/s to 12 m/s in 3 seconds, what is the car's average acceleration?A: 1 m/s2B: 2 m/s2C: 3 m/s2D: 4 m/s2-------------------------------------16. Q: How long does it take to accelerate an object from rest to 15 m/s if the acceleration was 3 m/s2?A: 2 sB: 4 sC: 5 sD: 15 s-------------------------------------17. Q: You started to run at 10 km/h when you left your house and you arrived at school 30 minutes later. Assuming that your average acceleration was 30 km/h2, how fast were you running when you arrived?A: 15 km/hB: 20 km/hC: 25 km/hD: 30 km/h-------------------------------------18. Q: Acceleration due to gravity is represented by what symbol?A: vB: gC: tD: s-------------------------------------19. Q: What is g?A: 9.8 m/s2B: 10.7 m/s2C: 12.6 m/s2D: 98 m/s2-------------------------------------20. Q: How long will it take for an apple falling from a 29.4m-tall tree to hit the ground?A: 1.56 sB: 2.04 sC: 2.45 sD: 3.72 s-------------------------------------21. Q: How long does it take for a car to change its velocity from 10 m/s to 25 m/s if the acceleration is 5 m/s2?A: 2 sB: 3 sC: 4 sD: 5 s-------------------------------------22. Q: If a car has a constant acceleration of 4 m/s2, starting from rest, how fast is it traveling after 5 seconds?A: 20 m/s2B: 24 m/s2C: 30 m/s2D: 40 m/s2-------------------------------------23. Q: If a car has a constant acceleration of 4 m/s2, starting from rest, how far has it traveled after 5 seconds?A: 50 mB: 60 mC: 70 mD: 80 m-------------------------------------24. Q: If a car has a constant acceleration of 4 m/s2, starting from rest, how far has it traveled by the time it reaches the speed of 40 m/s?A: 50 mB: 100 mC: 200 mD: 400 m-------------------------------------25. Q: A car is at velocity of 20 km/h. If the car traveled 120 km in 3 hours at constant acceleration, what is its final velocity?A: 50 km/hB: 60 km/hC: 70 km/hD: 80 km/h-------------------------------------26. Q: How long will it take for a falling object to reach 108 m/s if its initial velocity is 10 m/s?A: 6 sB: 8 sC: 10 sD: 12 s-------------------------------------27. Q: What is the final velocity of an apple if it falls from a 100m-tree?A: 43.4 m/sB: 44.3 m/sC: 45.7 m/sD: 46.4 m/s-------------------------------------28. Q: What is the displacement of a car whose initial velocity is 5 m/s and then accelerated 2 m/s2 for 10 seconds?A: 150 mB: 175 mC: 200 mD: 250 m-------------------------------------29. Q: What is the final velocity of a car that accelerated 10 m/s2 from rest and traveled 180m?A: 30 m/sB: 40 m/sC: 50 m/sD: 60 m/s-------------------------------------30. Q: If a car accelerated from 5 m/s to 25 m/s in 10 seconds, how far will it travel?A: 100 mB: 150 mC: 200 mD: 250 m-------------------------------------Click here for the Answers to Physics Velocity questions

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