The mass of an electron is approximately 9.11×10−31 kilograms, and the mass of a proton is approximately 1.67×10−27 kilograms. Approximately how many times larger is the mass of a proton than the mass of an electron?

a. about 500 times larger
b. about 2,000 times larger
c. about 10,000 times larger
d. about 9 times larger

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca