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A sports car of mass 950kg (including the driver) crosses the rounded top of a hill (radius = 95m) at 22m/s. Determine
a) the normal force exerted by the road on the car,
b) the normal force exerted by the car on the 72kg driver, and
c) the car speed at which the normal force on the driver equals zero.

  • physics -

    a) mg-mv^2/r

    b) 74(g-v^2/r)

    c) when does g=v^2/r >

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