Have an account?
Skip to Content
Build your own quiz
Suggestions for you
70 questions
Show Answers
See Preview
- 1. Multiple Choice1. Which of the following statements about speed and velocity is correct?Velocity only describes an object’s rate of motion.Speed describes how an object is changing its velocity.Speed and velocity both describe how an object is speeding up.Only velocity includes the direction an object is traveling.
- 2. Multiple ChoiceAcceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?A car driving at a constant speedA book sitting on top of a high shelfA toy train traveling in a circleA toy boat floating in a bathtub
- 3. Multiple ChoiceWhen a car goes around a corner at 20 mph, why do we say it accelerates?The car is accelerating because of the velocity is constantThe car accelerates because it's going 20 mphCars always accelerate when they are in motionThe car is accelerating because it's changing direction
- 4. Multiple ChoiceThe gees fly 23 mph to the south when they migrate for the winter.speedvelocityacceleration
- 5. Multiple ChoiceThe tornado is traveling northwest at 20 mph.speedvelocityacceleration
- 6. Multiple ChoiceThe Olympian swam 200 meters in 20 seconds.speedvelocityacceleration
- 7. Multiple Choice
Avery likes to walk 30 feet in 10 seconds. What is her speed?3 feet/sec6 feet/sec10 feet/sec2 feet/sec - 8. Multiple ChoiceWhat is velocity?the quickness of an objectthe location of an objectaccelerationspeed in a specific direction
- 9. Multiple ChoiceHow far will a person go if they jog for 2 hours at a speed of 12 km/hr?6 km0.5 km10 km24 km
- 10. Multiple ChoiceWhat is the formula to calculate speed?S = t/dS = d/tS = d x tS = t x d
- 11. Multiple ChoiceA runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?10 m/s1000 m/s100 seconds10 seconds
- 12. Multiple ChoiceShona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?55km32km43km32miles
- 13. Multiple ChoiceHow far will a person go if they jog for 2 hours at a speed of 12 km/hr?6 km0.5 km10 km24 km
- 14. Multiple ChoiceWhich of the following is a unit for acceleration?km/sm/s2mi/hrft
- 15. Multiple Choice65mi/hr South is an example of...SpeedVelocityAccelerationDirection
- 16. Multiple ChoiceFind the velocity of a plane that traveled 3000 miles west in 5 hours.65 mph west6 mph west600 mph west6000 mph west
- 17. Multiple ChoiceWhat is your average speed if you take 0.5 h to jog 4,000 m?8000 m/h2000 m/h0.000125 m/h800 m/h
- 18. Multiple ChoiceIf the average speed of a car is 110 km/h, how long will it take the car to travel 715 km?6 h6.5 km/h6.5 h
- 19. Multiple ChoiceKira jogs to a store 72 m away in a time of 36 s. What is Kira's average speed?0.5 m/s2 m/s2 h
- 20. Multiple ChoiceIf you travel 7.5 km and walk for 1.5 h, what is your average speed?5 km/h11.25 km/h0.2 km/h
- 21. Multiple ChoiceAn airplane traveling from San Francisco to Chicago travels 1,260 km in 3.5 h. What is the airplaine's avearge speed?36 km/h360 km/h4,410 km/h
- 22. Multiple ChoiceYou are riding your bike at 9 km/h. Ten minutes later, your speed is 6 km/h.Acceleration occurred because speed increased.Acceleration occurred because speed decreased.Acceleration occurred because you changed directions.
- 23. Multiple ChoiceYou ride your bike around the block at a constant speed of 11 km/h.Acceleration occurred because speed increased.Acceleration occurred because speed decreased.Acceleration occurred because you changed directions.
- 24. Multiple ChoiceWhich of the following is NOT an example of acceleration?a person jogging at 3 m/s along a winding patha car stopping at a stop signa cheetah running 27 m/s easta plane taking off
- 25. Multiple ChoiceAvery likes to walk 30 feet in 10 seconds. What is her speed?3 feet/sec6 feet/sec10 feet/sec2 feet/sec
- 26. Multiple Choice
A helicopter flies west 200 miles in 2 hours. What is its velocity?
99 mph
100 mph south
400 mph south
297 mph south
- 27. Multiple Choice
A stopped car begins moving and reaches a speed of 25m/s in 5 seconds. What is its acceleration?
+25m/s2
-0m/s2
+5m/s2
5m/s
- 28. Multiple ChoiceA car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?0.7m/s27m/s214m/s2none of the above
- 29. Multiple ChoiceA drag racer accelerated from rest ( 0 m/s ) to 195 m/s in 6.5 s. What was the acceleration?10 m/s30 m/s2-3 m/s226 m/s
- 30. Multiple ChoiceA golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?750 seconds35 seconds0.3 seconds3.3 seconds
- 31. Multiple ChoiceKm (kilometers) is a unit for...SpeedDistanceTimeDirection
- 32. Multiple ChoiceWhich graph represents the greatest acceleration?ABCD
- 33. Multiple Choice
What is the equation for velocity?
- 34. Multiple Choice
Select all the scenarios that represent acceleration of the car.
- 35. Multiple Choice
The slope of this position vs time graph is?
Constant
Increasing
Decreasing
0
- 36. Multiple Choice
A horse accelerates from a velocity of 0m/s to 20 m/s in 3 seconds. What is the acceleration of the horse?
60 m/s2
6.67 m/s2
0.15 m/s2
30 m/s2
- 37. Multiple Choice
An elevator moves from rest to 2 m/s over 8 seconds. What is the elevator's acceleration?
16 m/s2
-8 m/s2
0.25 m/s2
2 m/s2
- 38. Multiple ChoiceThe momentum of an object depends upon the object's ___________&_____________.size and shapemass and speedmass and veloctiymass and energy
- 39. Multiple ChoiceThe equation to calculate momentum isp=mvp=1/2mv2p=mghp=mg
- 40. Multiple ChoiceA 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?5 m/s2.5 m/s10 m/s7.5 m/s
- 41. Multiple ChoiceA 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?18.6 m/s9.3 m/s7.5 m/s1.86 m/s
- 42. Multiple ChoiceA boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.1 N*s6 N*s33.3 N*sNone of these - 43. Multiple ChoiceWhich object listed below has the greatest momentum?A 0.05 kg object rolling at 0.2 m/s.A 0.15 kg object rolling at 2 m/s.A 0.15 kg object rolling at 1 m/sA 0.4 kg object rolling at 2 m/s.
- 44. Multiple ChoiceA 0.250 kg cart moving at 0.400 m/s has how much momentum?0.1 kg-m/s1 kg-m/s10 kg-m/s100 kg-m/s
- 45. Multiple ChoiceDetermine the momentum of 1000-kg car moving northward at 20 m/s.........20000 N20000 Joules20000 Kg * m/s20000 kg * m/s north
- 46. Multiple ChoiceA 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.55 kg*m/s100 kg*m/s250 kg*m/s500 kg*m/s
- 47. Multiple Choice
Which object has more momentum?
motorcycle at 15 mph?
bike at 15 mph
car at a stoplight
runner at 10 mph
- 48. Multiple Choice
If an object has a momentum of 40 kgm/s and a mass of 60 kg, what is it's velocity?
2400 m/s
1.5 m/s
240 m/s
.67 m/s
- 49. Multiple ChoiceWhat is the unit for momentum?m/seckg/seckg/mkg m/sec
- 50. Multiple Choice
The overall speed at which an object moves
Average speed
Speed
Balanced
Unbalanced
- 51. Multiple Choice
What is the speed of a bus that travels 250 km in 2 hours?
Formula ?
Answer ?
S= D/T
125km/hr
S= T/D
521km/meters
S=D/T Km/hr
All fo the above
- 52. Multiple Choice
If Sally is speeding through the parking lot at 18m/hr, and she travels 9 m, how long did it take her?
2 m/hr
0.5 hr
2 m
0.5 m
- 53. Multiple Choice
a force that is directed toward the center of a curved or circular path
centripetal force
inertia
gravity
net force
- 54. Multiple Choice
What is the force experience by a 0.5 kg egg that goes from 10 m/s to rest in 0.1 seconds?
5 N
50 N
500 N
None of These
- 55. Multiple Choice
Why did the basket protect the egg in egg drop?
It absorbs the impact.
It decreases the time of collision to increase force.
It increases the time of collision to decrease force.
It decreased the impulse.
- 56. Multiple Choice
Why can adding a parachute lower the chances that your egg can break?
Adding a parachute causes my device to fall faster, creating more kinetic energy.
Adding a parachute causes my parachute to fall faster, decreasing kinetic energy.
Adding a parachute causes my parachute to fall at a slower speed, decreasing kinetic energy..
- 57. Multiple Choice
Thinking back over this experiment, which combination of qualities in a falling device would likely have the best results?
Heavy, falling fast
heavy, falling slowly
light, falling fast
light, falling slowly
- 58. Multiple Choice
What force is acting on your device, causing it to fall and build kinetic energy after it is released?
The wind
Mr. Phifer
A push
Gravity
- 59. Multiple Choice
In the project the "payload" is...
an egg
a raw egg
an ostrich egg
an egg McMuffin
- 60. Multiple Choice
The minimum height for your test location is...
8 feet
8 meters
80 feet
8 centimeters
- 61. Multiple Choice
Your lander must have each of the following things.
Space for an egg
a way to quickly load/unload the egg
a parachute
special effects
- 62. Multiple ChoiceThe independent variable in the Egg Drop Project is:a. The eggb. The containerc. The time it takes for the container to drop from the top of the bleachers to the ground
- 63. Multiple ChoiceThe "purpose" or reasoning for the egg drop is...To engage in the process of engineering.To prevent an egg from breaking when dropped from a given height.To have fun while learning science.To work like real scientists.
- 64. Multiple ChoiceTrue or false, engineers do NOT depend on mathematics when creating a product.TrueFalse
- 65. Multiple ChoiceWhich of the following would you consider a challenge while conducting the Egg Drop project?Materials (Cost and Effectiveness)Limitations / SpecificationsTimeAll of these are examples of challenges.
- 66. Multiple ChoiceIt is important to sketch detailed drawings/blueprints and ask for feedback. This happens during which step of the Design Process?PlanCreateImproveShare Results
- 67. Multiple Choice
Which is the value for the acceleration due to gravity?
1.0 g/ml
2.2 lb/kg
9,81 s/m
9.81 m/s2
- 68. Multiple Choice
What is the measure of how much matter or stuff of which an object is made?
mass
weight
gravity
volume
- 69. Multiple Choice
What does velocity include?
speed only
speed and direction
direction only
mass only
- 70. Multiple Choice
A change in velocity is called______________?
gravity
speed
energy
acceleration
- Answer choicesTagsAnswer choicesTags