Question

A rocket is fired upwards such that its engine
takes 10 s to explode fully. Its velocity - time graph
is as shown in the figure. Acceleration due to
gravity is 10 m/s2
v (m/s)
1000-
t(s)
Choose the correct answer :
1. The total time for which the rocket moves upward is
AITOS
(2) 100 s
(3) 110 s
(4) 20 S
2. The height reached by the rocket till its engine
explodes is
(1) 1000 m
(2) 5000 m
(3) 10,000 m
(4) 20,000 m
3. The maximum height attained by the rocket is
(1) 5000 m
(2) 50,000 m
(3) 55,000 m
(4) 100,000 m​

Answer 1

Answer:

1. option

(4) 20 s

2.option

(3)10,000m

3.option

(2)50,000m