An alien of mass 100kg is on the floor of a spaceship (totally av, scle WHat doe

Question

An alien of mass 100kg is on the floor of a spaceship (totally av, scle WHat does the scale say his weight is when k -v-cjagr" (a)(4 pis) The spaceship is stationary. The spaceship is moving uniformly at half the speed of light. (c)U pisi The spaceship is accelerating upward (relative to the scale) at 5m/sJ. (d>}3 pts| The spaceship is accelerating upward (relative to the scale) at 15m/sJ. i6 ptsj The al'en attaches a 2kg object connected to a spring to the ceiling of his spacecraft When the spaceship is accelerating at 5in upward, the spring extends 0 lm How much does the sormjwtwi v/twn the spaceship is accelerating at 15m/.sa upward?

Explanation / Answer

here,

mass of alien = 100 kg

Weight of Alien = m*g = 100 * 9.8 = 980 N

PART A:
When spaceship is stationary, a = 0

W = 980 N

part B:
When it is moving Uniformly with half te speed of light, a = 0

W = 980 N

Part C:
now it accelerating upward with a = 5 m/s^2

W = m(g +a) = 100(9.8 + 5)
W = 100 * 14.8
W = 1480 N

Part D:
now it accelerating upward with a = 10 m/s^2

W = m(g +a) = 100(9.8 + 10)
W = 100 * 19.8
W = 980 N

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