Dot Physics on MSN
A physics problem on work, energy, and power for an uphill skier
Analyze an uphill skier problem using work, energy, and power principles. See how gravitational potential energy, applied force, and friction determine the required work and power, and learn how speed ...
Dot Physics on MSN
A physics problem on time and power in an LR circuit
Work through an LR circuit problem focusing on time behavior and power. Learn how the time constant 𝜏 = 𝐿 / 𝑅 τ=L/R controls current growth/decay, and how power changes over time using 𝑃 = 𝐼 2 𝑅 ...
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