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- Multiple ChoicePlease save your changes before editing any questions.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
- Multiple ChoicePlease save your changes before editing any questions.Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knotsScalarVector - Multiple ChoicePlease save your changes before editing any questions.If 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
- Multiple ChoicePlease save your changes before editing any questions.A car moved 60 km East and 90 km West. What is the distance it traveled?30 km, West60 km. East90 km150 km
- Multiple ChoicePlease save your changes before editing any questions.If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?12 km19 km, East31 km43 km, East
- Multiple ChoicePlease save your changes before editing any questions.An 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
- Multiple ChoicePlease save your changes before editing any questions.Which 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 - Multiple ChoicePlease save your changes before editing any questions.What is the unit for acceleration?m/smsm/s/smss
- Multiple ChoicePlease save your changes before editing any questions.Which of the following quantities are vectors?speed, velocity, accelerationvelocity, acceleration, forceforce, acceleration, masslength, mass, time
- Multiple ChoicePlease save your changes before editing any questions.The speedometer on your car tells youaverage velocityinstantaneous velocityaverage speedinstantaneous speed
- Multiple ChoicePlease save your changes before editing any questions.What two measurements are necessary for calculating speed?Mass and timeTemperature and massMass and distanceDistance and time
- Multiple ChoicePlease save your changes before editing any questions.What is the speed of an object that travels 60 meters in 4 seconds?240 m/s15 m/s0.067 m/s15 mph
- Multiple ChoicePlease save your changes before editing any questions.A measurement of how fast an object is movingVelocitySpeedVectorAcceleration
- Multiple ChoicePlease save your changes before editing any questions.A description of the speed and direction of an object's motionVelocitySpeedAccelerationVector
- Multiple ChoicePlease save your changes before editing any questions.The unit we use to measure acceleration is ___.meters / secondmeterssecondsmeters / second / second
- Multiple ChoicePlease save your changes before editing any questions.Acceleration is a change in ________.directionspeedvelocitydistance
- Multiple ChoicePlease save your changes before editing any questions.You are walking in a straight line at a consistent speed. Do you have acceleration?noyes
- Multiple ChoicePlease save your changes before editing any questions.As you walk you make a right turn. Do you have acceleration?yesno
- Multiple ChoicePlease save your changes before editing any questions.A negative acceleration means that your object is _____.Going to Wal-martrunning for presidentspeeding upslowing down
- Multiple ChoicePlease save your changes before editing any questions.Acceleration is defined as the CHANGE intime of motion to another place.velocitydistancespeed
- Multiple ChoicePlease save your changes before editing any questions.
a vector with an angle= 40° NW
- Multiple ChoicePlease save your changes before editing any questions.
a vector with an angle= 60° SW
- Multiple ChoicePlease save your changes before editing any questions.
Solve the sum: