The Newton's second law states
ma=−mgsinθ−μmgcosθ The acceleration of a body
a=−g(sinθ+μcosθ)=−9.8(sin15∘+0.25cos15∘)
=−4.9m/s2 If the initial velocity is 10 m/s, the distance traveled by body before it will coming to rest
d=2a−vi2=2×(−4.9)m/s2−(10m/s)2=10.2m
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