## Answers

mass of the block. m= 20 = 0.625 lb. FBD of the block. 32 THImgsing AN mg cose.fi UN. plant.

.
Ou 150 a= decelaration (assume). - N= normal force. now, buy force balance along perpendicular to the .. N= mg cose. E luy force balance along the plane.

Mg sino-ing coso = ma. on, (sini5 – 0.7 X COS 15)ex 32 = a. on, as - 0.477. i ftis? E [ove sign implies direction is opposite.]. - now applying va u + 2ds.

We get. La Von = 304+ 2X 0.417X 20. Or, Vg = 30276 ftis

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