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Speed & Acceleration

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  • The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds. Find acceleration
    2 m/s²
  • A truck slows down as it leaves the freeway. Does it have acceleration? (Yes/No)
    Yes
  • hr, min, s are unit for
    time
  • A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
    10m/s
  • What is the speed of a car travelling 50m in 4s?
    12.5m/s
  • (Final Speed - Initial Speed) / Take Taken =
    Acceleration
  • acceleration is a change in ..... with time
    speed
  • The correct equation to calculate speed is ............
    distance / time
  • How do you convert minute to second
    multiply 60
  • How long it takes to do something is ___.
    Time
  • Convert 420 m/min to km/min
    0.42 km/min2
  • The abbreviation for second is ___
    s or sec
  • How do you convert metre to kilometre
    divide 1000
  • negative acceleration is a
    deceleration
  • A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
    -0.5 m/s2
  • A train is travelling 10m/s accelerates to 20m/s in 5 seconds, what is it's acceleration?
    2m/s2
  • A cyclist travels 15 km at an average speed of 20 km/h. How long does the journey take?
    0.75 hours
  • Polar bears are extremely good swimmers. If a polar bear is swimming with an average of 2.6 m/s, how far will it have traveled after 120 seconds?
    312 m
  • A car increases speed from 30 m/s to 65 m/s.
    acceleration
  • km, m, cm are unit for
    distance
  • A car drove 443km in 5.5 hours. What was its average speed (km/h)
    80.55km/h
  • The abbreviation for meter is ___
    m
  • True or False: All accelerating objects are moving at a high speed.
    False
  • How far something moves is __.
    distance
  • A horse accelerates from rest to 10 m/s with acceleration of 2 m/s2. For how many seconds did it accelerate?
    5 sec
  • Give an example of deceleration
    (anything correct accept) example a car approaching a red light
  • How far will a train moving at 5.7 km/min go in 45 minutes?
    265.5km
  • A train decelerates from 30 m/s to 10 m/s in 5 seconds. Calculate its acceleration.
    -4 m/s^2
  • An ants crawls 35 cm in 5 seconds. What is its speed?
    7cm/s
  • The abbreviation for minute is ___
    min
  • If a train traveling at 30 m/s brakes to a stop in 1 minute, its acceleration is ____
    -0.5 m/s2
  • Convert 155 m/s to km/min
    9.30 km/min
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