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A rocket with mass 3030 kg is fired from rest from the ground at an elevation angle of 58.0° The motor exerts a thrust of61.2 kN at a constant angle of 58.0° with the horizontal for 48.0 s and then cuts out. Ignore the mass of fuel consumed and neglect aerodynamic drag. Calculate (a) the altitude of the rocket at motor cut-out and (b) the total distance from firing point to impact.

6 years ago

Round off to two significant figures,

Round off to three significant figures,
vx = 514 m /s

The horizontal distance travelled in time t1 is:

The total horizontal distance say x travelled by the rocket is:

Therefore the total horizontal distance travelled by the rocket is 5.88 x 104 m.