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- 1. Multiple Choice
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?40 metres, South50 metres, South50 metres, North40 metres, North - 2. Multiple ChoiceIs this a scalar quantity or a vector quantity?
Wind blowing at 20 knotsScalarVector - 3. Multiple ChoiceIf a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?20m40m0m-20m
- 4. Multiple ChoiceA car moved 60 km East and 90 km West. What is the distance it traveled?30 km, West60 km. East90 km150 km
- 5. Multiple ChoiceIf a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?12 km19 km, East31 km43 km, East
- 6. Multiple ChoiceAn airplane traveling north at 220 meters per second encounters a 50.0-meters-per-second crosswind from west to east.170 m/s214 m/s226 m/s270 m/s
- 7. Multiple ChoiceWhich statement describes a vector?It has magnitude but no directionIt has direction but no magnitudeIt has both direction and magnitudeIt has constant magnitude but no
direction - 8. Multiple ChoiceWhat is the unit for acceleration?m/smsm/s/smss
- 9. Multiple ChoiceWhich of the following quantities are vectors?speed, velocity, accelerationvelocity, acceleration, forceforce, acceleration, masslength, mass, time
- 10. Multiple ChoiceThe speedometer on your car tells youaverage velocityinstantaneous velocityaverage speedinstantaneous speed
- 11. Multiple ChoiceWhat two measurements are necessary for calculating speed?Mass and timeTemperature and massMass and distanceDistance and time
- 12. Multiple ChoiceWhat is the speed of an object that travels 60 meters in 4 seconds?240 m/s15 m/s0.067 m/s15 mph
- 13. Multiple ChoiceA measurement of how fast an object is movingVelocitySpeedVectorAcceleration
- 14. Multiple ChoiceA description of the speed and direction of an object's motionVelocitySpeedAccelerationVector
- 15. Multiple ChoiceThe unit we use to measure acceleration is ___.meters / secondmeterssecondsmeters / second / second
- 16. Multiple ChoiceAcceleration is a change in ________.directionspeedvelocitydistance
- 17. Multiple ChoiceYou are walking in a straight line at a consistent speed. Do you have acceleration?noyes
- 18. Multiple ChoiceAs you walk you make a right turn. Do you have acceleration?yesno
- 19. Multiple ChoiceA negative acceleration means that your object is _____.Going to Wal-martrunning for presidentspeeding upslowing down
- 20. Multiple ChoiceAcceleration is defined as the CHANGE intime of motion to another place.velocitydistancespeed
- 21. Multiple Choice
a vector with an angle= 40° NW
- 22. Multiple Choice
a vector with an angle= 60° SW
- 23. Multiple Choice
Solve the sum:
- Answer choicesTagsAnswer choicesTags