What is the ideal mechanical advantage of a ramp

Reference no: EM1313265

Q1. A blimp is filled with 200m3 of helium. How much mass can the balloon lift? The density of helium is 1/7 that of air, and density of air is 1.25kg/m3.

Q2. What is the ideal mechanical advantage of a ramp if its length is 4.00 m and its higher end is 0.50m above its lower end?

Q3. An electric motor rotating a workshop grinding wheel at a rate of 9.90 x 10^1 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.70 rad/s2.

How long does it take for the grinding wheel to stop?

Reference no: EM1313265

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What is the ideal mechanical advantage of a ramp : An electric motor rotating a workshop grinding wheel at a rate of 9.90 x 10^1 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.70 rad/s2.

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