Question
A circular plate, a cube and a sphere, all made up of
same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?Solution
In thelateof17thcenturyBritish scientistIsaacNewtonstudiedcoolingofbodies. Experiments showed that the cooling rate is approximately proportional to the difference of temperatures between the heated body and the environment.
More Physics Questions
41.66% of 888 + 66.66% of 1176 = ?2 - 4√ 16 Â
Evaluate: 320 − {18 + 4 × (21 − 9)}
Simplify: 72 ÷ 6 × 3 − 8 + 4
118 × 6 + 13 + 83 = ?
Simplify the following expression:
  (400 +175) ² - (400 – 175) ² / (400 × 175)
150% of 850 ÷ 25 – 25 = ?% of (39312 ÷ 1512)
(75 + 0.25 × 10) × 4 = ?2 - 14
26% of 650 + 15% of 660 – 26% of 450 = ?
115% of 40 + 3 × 4 = ? × 11 – 8
