Calculate acceleration after run-up distance?
Hello, attached is an excerpt from my physics homework. I understand a) but I'm stuck at b) and c). Can someone perhaps solve this with a mathematical method and explain how it works? Thanks.
A car has an acceleration of 2 m/s².
a) Determine the distance the car travels in 10 seconds.
Sure. I know how it works
b) Determine the speed of the car after a run-up distance of 100m.
Do I need help
c) Determine the time required to accelerate the car to a speed of 100 km/h.
I would need help too.
(2 votes)
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b) s = 1/2 a t2 delivers t so that v = at
c) v = at , v convert into m/s, then calculate t.
calculate how long the car needs until the Route of 100 m. With this you have the time to Speed to calculate.