Question

STEP BY STEP ANSWERS ONLY!!!​

Answer 1

Answer:

Explanation:

MASS,M = 0.2 KG

POWER,P= 0.5 W

INITIAL SPEED , U = 0 M/S

FINANL SPEED , V=?

TIME TAKEN = 5 SEC

POWER = WORK DONE / TIME TAKEN

WORK DONE = CHANGE IN KINETIC ENERGY

WORK DONE = 1/2 M V²- 1/2 MU²

WORK DONE = 1/2 M (V²-0)

WORK DONE = 1/2*0.2*V²

WORK DONE = V²/10

POWER = (V²/10)/5

0.5=V²/10*5

V²=0.5*5*10

V²=25

V = 5 M/S.

HOPE THIS HELPS.

Answer 2

Answer:

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