A car goes 4 m/s for 10 seconds then speeds up to 12 m/s in

two seconds. The car continues at this speed for a minute. The car then

accelerates at - 3 m/s" for 10 seconds

How far did the car go in each time interval?

Question

Efrain Rivers

Physics

20 December, 12:23

A car goes 4 m/s for 10 seconds then speeds up to 12 m/s in

two seconds. The car continues at this speed for a minute. The car then

accelerates at - 3 m/s" for 10 seconds

How far did the car go in each time interval?

+2

Answers (1)

Know the Answer?

Royce Sharp · Answer 1

For 10 seconds, v = d/t

4 = d/10

d = 4*10 = 40m

For 2 seconds,

V=d/t

12 = d/2

d = 12 * 2 = 24m

For the last 10 seconds,

S = ut + 1/2 at^2

S = 0*10 + 1/2 * - 3 * 10^2

S=-150m

A car goes 4 m/s for 10 seconds then speeds up to 12 m/s intwo seconds. The car continues at this speed for a minute. The car thenaccelerates at - 3 m/s" for 10 secondsHow far did the car go in each time interval?

A car goes 4 m/s for 10 seconds then speeds up to 12 m/s in

two seconds. The car continues at this speed for a minute. The car then

accelerates at - 3 m/s" for 10 seconds

How far did the car go in each time interval?