Physics - Kinematics Question with Solution | TestHub

A rocket of initial mass m (including fuel) ejects mass at a constant rate of $25\mathrm{kg}/\mathrm{s}$ with a speed 60 $\mathrm{m}/\mathrm{s}$ relative to the rocket. If the acceleration of the rocket 3.5 minutes after the firing is $2\mathrm{m}/{\mathrm{s}}^2$, find the initial mass of the rocket? [Neglect gravity] If your answer is in the form of $\mathrm{n}\times 10^3\mathrm{kg}$. Fill n .