(a) An ordinary flea has a mass of $210 \mu$. How many newtons does it weigh? (b) The mass of a typical froghopper is $12.3 \mathrm{mg}$. How many newtons does it weigh? (c) A house cat typically weighs $45 \mathrm{~N}$. How many pounds does it weigh, and what is its mass in kilograms?
Added by Russell B.
Step 1
Given mass of flea, $m = 210 \times 10^{-6} kg$ Acceleration due to gravity, $g = 9.8 m/s^2$ Weight, $W = m \times g$ $W = 210 \times 10^{-6} \times 9.8$ $W = 2.058 \times 10^{-3} N$ ** Show more…
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(a) An ordinary flea has a mass of 210 $\mu$g. How many newtons does it weigh? (b) The mass of a typical froghopper is 12.3 mg. How many newtons does it weigh? (c) A house cat typically weighs 45 N. How many pounds does it weigh, and what is its mass in kilograms?
Newton's Laws of Motion
Mass and Weight
(a) An ordinary flea has a mass of 210$\mu$ y. How many newtons does it weigh? (b) The mass of a typical frog hopper is 12.3 $\mathrm{mg}$ . How many newtons does it weigh? (c) A house cat typically weighs 45 $\mathrm{N}$ . How many pounds does it weigh, and what is its mass in kilograms?
(a) An ordinary flea has a mass of 210$\mu g .$ How many newtons does it weigh? (b) The mass of a typical froghopper is 12.3 $\mathrm{mg} .$ How many newtons does it weigh (c) A house cat typically weighs 45 $\mathrm{N}$ . How many pounds does it weigh and what is its mass in kilograms?
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