Question

a rocket is accelerated from rest for 5 seconds at 100ms squared .it travels at a constant speed for 5 seconds
a) calculate
i) the distance traveled in the first 7 seconds
ii) the maximum speed

Answer 1

Explanation:

the distance traveled in the first 7 seconds

Answer 2

It moves along its initial line of motion with an acceleration of 30 ms-2 for 3 seconds. At this time its engine falls so the answer is at maximum speed