Q1 a car takes 9 s to go from v 0 to v 55 ms at about

Reference no: EM13354388

Q1. A car takes 9 s to go from v = 0 to v = 55 m/s at about constant acceleration. If you wish to find out the distance travelled using the equation d = 1/2 at2, what value must you use for a?

Q2. A 24 {rm g}, 3-cm-diameter thin, hollow sphere rotates at 30rpm about the vertical, frictionless axis during its center. A 5g bug stands at the top of the sphere. He then walks along the surface of sphere until he reaches its "equator." 30 {rm rpm} about a vertical, frictionless axis through its center. A 4 {rm g} bug stands at the top of the sphere. He next walks along surface of the sphere until he reaches its "equator."

When he reaches equator, the sphere is rotating at how many rpm?

Reference no: EM13354388

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