Characteristics of Motion

QuizÂ by margie oslen

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14 questions

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- Q1What does speed measure?The rate at which an object speeds upThe distance an object has traveledThe rate at which an object slows downHow fast an object is moving20s
- Q2What is the formula to calculate speed?S=D/TS=T/DS = Final Velocity-Initial Velocity/timeS=D x T20s
- Q3If a total distance of 750 m is covered in a time interval of 25 s, the average speed is ______?18,750 m/s30 m/s33 m/s30 mph20s
- Q4______describes how fast something is going, whereas, __________ describes how fast something is going and in a certain directionspeed, velocityrate, accelerationspeed, accelerationrate, speed20s
- Q5Which of the following is a measure of velocity?30s30 m/s30 South30 m/s South20s
- Q6Which of the following does NOT change acceleration?speeding upchanging directionslowing downconstant velocity20s
- Q7A small child spins around and around on a merry-go-round. Is the child accelerating?Yes20s
- Q8A sailboat sails down the James River due South at exactly 15 mph for 1 hour. Is the sailboat accelerating?No20s
- Q9The fastest car on Earth, a German-made Thrust SSC, would win every Nascar Race in America. If it takes 30 minutes to travel 380 miles, what is its speed?.42 m/s20s
- Q10Which is NOT true about a reference point?It is used as a comparisonIt lets you see if something has movedIt should be a moving objectIt should be a stationary object20s
- Q11What is the formula for acceleration?A= (Final Velocity - Initial Velocity)A= D/TA= (Initial Velocity- Final Velocity)/TimeA= (Final Velocity- Initial Velocity)/Time20s
- Q12If a car is going 100 m/s and slows down to 50 m/s in 20 s, what is the rate of acceleration?-5m25 m/s/s-2.5 m/s/s50 m/s20s
- Q13An object in free fall has a constant acceleration of approximately:25 m/s9.8 m/s-10 m/s0 m/s20s
- Q14A car can move from rest to 35 m/s in 5.0 seconds. It's acceleration is _________.none of the answers7 m/s/s5.0 m/s/s4/0 m/s/s20s