A rocket with a lift-off mass $3.5 \times 10^{4} k g$ is blasted upwards with an initial acceleration of $10 m / s^{2}$ . Then the initial thrust of the blast is

$1.75 \times 10^{5} N$

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$3.5 \times 10^{5} N$

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$7.0 \times 10^{5} N$

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$14.0 \times 10^{5} N$

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Solution

The correct option is C
$7.0 \times 10^{5} N$

Initial thrust on the rocket $F = m (g + a) = 3.5 \times 10^{4} (10 + 10) = 7.0 \times 10^{5} N$

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

The correct option is C 7.0×105 N Initial thrust on the rocket F=m(g+a)=3.5×104(10+10)=7.0×105 N

A rocket with a lift-off mass $3.5 \times 10^{4} k g$ is blasted upwards with an initial acceleration of $10 m / s^{2}$ . Then the initial thrust of the blast is

The correct option is C
$7.0 \times 10^{5} N$

Initial thrust on the rocket $F = m (g + a) = 3.5 \times 10^{4} (10 + 10) = 7.0 \times 10^{5} N$