1.

Albert on a spaceship of mass 3400kg is on st line path between Earth and moon. Spaceship has a spped of 220m/s at a ht 2.2km above the surface of the moon. What constant force the spaceship should apply so as to reah the surface of the moon safely. Take g of moon as 1.6m/s2

Answer»

ceship should apply a constant force of 5440 newtonExplanation : For the SPACESHIP to reach safely on surface of moon net force acting on the ship should be zero.Given ,mass of the ship, m = 3400 kgacceleration due to GRAVITY on moon, g = 1.6 m/s²Hence weight of the spaceship on moon = MG= 3400 x 1.6= 5440 NewtonSince this weight is acting in the downward DIRECTION, hence the spaceship should apply a constant force of 5440 newton in order to reach the surface safely.



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