Once your rocket reaches space, the captain adjusts the speed. Your captain goes from 24,000 km/hr to 17,000 km/hr over 90 seconds. What is your acceleration?

Question

Once your rocket reaches space, the captain adjusts the speed.  Your captain goes from 24,000 km/hr to 17,000 km/hr over 90 seconds.  What is your acceleration?

ujjwal · Answer

a= (v-u)/t
don't forget to change km/hr to m/s.. (however that also depends upon questions demand or rather say answers demand..)

stormfire1 · Answer

$$V_f -V_i = at$$$$24,000 km/hr = 6.667 x 10^3 m/s$$$$17,000 km/hr = 4.722 x 10^3 m/s$$$$4.722x10^3 m/s - 6.667x10^3 m/s = a (90s)$$$$a = -21.61 m/s^2$$