1. Assume that you do not know a priori, the moment of inertia of the hollow cylinder. Mathematically show how you could determine its value from Exercise 1 results, assuming you do know the value of the moment of inertia of the solid disk.
Given:
Moment of inertia of hollow cylinder = 0.00472
Initial moment of interia of the system : 0.00785
Final moment of interia of the system: 0.01257

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.

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It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .