1. V = Vo + a*t.
V = 3.2 m/s, Vo = 1.2 m/s, t = 2.5 s, a = ?.
2. V = Vo + a*t.
V = 34 m/s, Vo = 0, t = 2.5 s, a = ?.
d = 0.5a*t^2.
3. r = 30m/4.2s. =
4. d = r*t, t = ?.
1.
A roach moves down the hall at 1.2 m/s. When he sees the janitor coming down
the hall, he begins to run. After 3.2 s, he is moving at 3.6 m/s. What is his
acceleration?
2.
While waiting for his Mom to come out of the hairdresser's, Sean accidentally
puts the car in gear and it begins to roll forward. How far would the vehicle
travel if it moved at 34 m/s for 2.5 s?
3.
While showing off for some girls at the skate park, Josh D crashes. After the
crash he tumbled 30 m in 4.2 s, what was his speed in m/s?
4.
Colin skateboards down the sidewalk in front of the school, traveling at 24
km/h. How much time would it take him to travel 6.0 km?
1 answer
1 answer