The drive chain in a bicycle is exerting a torque of 0.850 N ? m to the wheel of the bicycle. The wheel has a moment of inertia of 0.100 kg ? m2. What is the angular acceleration of the wheel?
What will be an ideal response?
8.50 rad/s2
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Nylon is a polyamide; Dacron is a(n) ______________
Fill in the blank(s) with correct word
Series/Parallel Circuits: You obtain a 100-W light bulb and a 50-W light bulb. Instead of connecting them in the normal way, you devise a circuit that places them in series across normal household voltage. If each one is an incandescent bulb of fixed resistance, which statement about these bulbs is correct?
A. Both bulbs glow with the same brightness, but less than their normal brightness. B. Both bulbs glow with the same brightness, but more than their normal brightness. C. The 100-W bulb glows brighter than the 50-W bulb. D. The 50-W bulb glows more brightly than the 100-W bulb.
When looking at an object through a magnifier, the focused image you see is
A. Upright and real B. Inverted and real C. Upright and virtual D. Inverted and virtual
A year is defined as:
A) the time it takes for Earth to complete a rotation on its axis. B) the time it takes for the Moon to complete an orbit of Earth. C) the time it takes for the Moon to complete a phase cycle. D) the time it takes for Earth to complete an orbit around the Sun. E) the time it takes for the Sun to complete an orbit around Earth.