Find the thrust of the rocket

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Reference no: EM1352935

Q. The scale is set by Fs = 170 N. We release the block at x = 12.0 cm. How much work does the spring do on the block when the block moves from xi =+8.0 cm to (a)x=+6.0 cm, (b)x=-6.0 cm, (c)x=-8.0 cm, and (d)x=-11.0 cm?

Q. A rocket has an initial mass of 28,000 kg, of which 20% is the payload. It burns fuel at a rate of 185 kg/s and exhausts its gas at a relative speed of 1.8 km/s.

(a) Find the thrust of the rocket.

(b) Find the time until burnout.

(c) Find the rocket's final speed assuming it moves straight upward near the surface of Earth where the gravitational field g is constant.

Reference no: EM1352935

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