PhysicsEasy68×since 2002Q7575A rocket with a lift-off mass 3.5×104 kg3.5 \times {10^4}\,\,kg3.5×104kg is blasted upwards with an initial acceleration of 10m/s2.10m/{s^2}.10m/s2. Then the initial thrust of the blast isA3.5×105N3.5 \times {10^5}N3.5×105NB7.0×105N7.0 \times {10^5}N7.0×105NC14.0×105N14.0 \times {10^5}N14.0×105ND1.75×105N1.75 \times {10^5}N1.75×105NCheck answerSkip