SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A 3000 kg space probe is moving in a gravity free space at a constant velocity of 300 m/s. To change the direction of space probe, rockets have been fired in a direction perpendicular to the direction of initial motion of the space probe, the rocket firing exerts a thrust of 4000 N for 225 s. The space probe will turn by an angle of (neglect the mass of the rockets fired)

a)

b)

c)

d)


Question ID - 100038 :-

A 3000 kg space probe is moving in a gravity free space at a constant velocity of 300 m/s. To change the direction of space probe, rockets have been fired in a direction perpendicular to the direction of initial motion of the space probe, the rocket firing exerts a thrust of 4000 N for 225 s. The space probe will turn by an angle of (neglect the mass of the rockets fired)

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

From impulse momentum theorem,

Here

So, the angle by which the space probe rotates is



Next Question :

In the question, a letter series is given with one term missing shown by question mark(?).  The term is one of the alternatives among the four groups of letters given under it.  Find the right alternative.

5, 10, 20, ?, 80

(a)

35

(b)

40

(c)

45

(d)

50


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