Space craft is moving in a straight line at 75m per sec and then fires it’s motors for 6sec to reach a velocity of 120km per sec. what is the distance travelled by the space craft in 10 seconds after it started its motors
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a = 120-75/6 = 7.5km/s²
2as = v² - u²
2×7.5s = 120²-75²
15s = 8775
s = 585km
Thus, distance travelled = 585 + (120×(10-6) km
= 585 + (120×4)
= 585 + 480
= 1065km
2as = v² - u²
2×7.5s = 120²-75²
15s = 8775
s = 585km
Thus, distance travelled = 585 + (120×(10-6) km
= 585 + (120×4)
= 585 + 480
= 1065km
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