Given are two balls of the same volume made of lead and tin. Which one is easier?
| May 9, 2021 | education
V1 = V2 = V is the volume of lead and tin balls;
ro1 = 11300 kg / m ^ 3 – lead density;
ro2 = 7300 kg / m ^ 3 is the density of tin.
It is required to determine the ratio of the masses of the balls m1 / m2.
Since, according to the condition of the problem, the volumes of the balls are the same, then:
m1 / m2 = ro1 * V1 / (ro2 * V2) = ro1 * V / (ro2 * V) = ro1 / ro2 = 11300/7300 = 1.5.
That is, the mass of the lead ball is 1.5 times greater than the mass of the tin ball.
Answer: A tin ball is lighter than a lead ball.
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