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A rocket with a liftoff mass 3.5 × 10^4kg is blasted upwards with an initial acceleration of 10m/s^2 .

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asked Mar 21, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 45
edited Mar 24, 2018 by Vikash Kumar

A rocket with a liftoff mass 3.5 × 104kg is blasted upwards with an initial acceleration of 10m/s2 . Then the initial thrust of the blast is

(a) 3.5 x 105N

(b) 7.0 x 105N

(c) 14.0 x 105N

(d) 1.75 x 105N

1 Answer

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answered Mar 21, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 24, 2018 by Vikash Kumar
 
Best answer

(a) : Initial thrust = (Lift off mass) × acceleration

= (3.5 x 104) x (10) = 3.5 x 105N.

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