Answer:
18,000 j
Explanation:
the lightbulb dissipates 5W of power
P = ΔE / Δt
rearrange to solve for energy
ΔE = PΔt
P = 5W
t = 1 hour = 60 minutes = 3600 seconds
ΔE = 5 * 3600
ΔE = 18000 J
Apply E=(mv^2)/2 . It will give the answer.
Most granite has a mixture of quartz, mica and feldspar :)
A bowl-shaped depression formed by a mountain glacier is termed a cirque.
Explanation:
Significant figures of a number written in positional notation are digits that carry meaningful contributions to the measurement resolution of the number.
