A. 0.05kg
B. 0.20kg
C. 0.80kg
D. 1.00kg
Correct Answer: Option A
A. 0.05kg
Explanation
Mr (90 – 50) = 0.2(100 – 90)
40Mr = 0.2 × 10
Mr = 2
40 = 0.05kg
![A body of mass 2kg is released from rest on a plane inclined at an angle of 60º to the horizontal. Calculate the acceleration of the body down the plane.[g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A body of mass 2kg is released from rest on a plane inclined at an angle of 60º to the horizontal. Calculate the acceleration of the body down the plane.[g = 10ms‾²]")
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