A10 kg mass starts from rest at the top of a frictionless incline and slides down the ramp. the ramp makes an angle of 0=30" . take the positive x axis to be down the ramp. what is the acceleration of the mass and it moves down the ramp? m a) a 0 -4.9 m b) a=-4.9- m s m c) a+4.9- a, 0 2. 2 d) none of the above.

Explanation:

When a body starts sliding on an inclined plane, the acceleration of body is due to its impotent 9f weight. The component of weight is mg Sin theta along the plane.

Thus, the acceleration is g Sin theta

= 9.8 × Sin 30 = 4.9 m/s^2

okay i have so many questions. but the big one here is: um wt..f is this mess? ?

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don't remove my answer im trying my best to answer them

explanation: