A body cools down from 60% = C to 55C in 30 s. Using newton’s law of cooling calculate the time takken by same body to cool down from 55C to 50C. Assume that the temperature of surrounding is 45C.
Sahay Sir > Question Answers > A body cools down from 60% = C to 55C in 30 s. Using newton's law of cooling calculate the time takken by same body to cool down from 55C to 50C. Assume that the temperature of surrounding is 45C.
Two identical spheres A and B are suspended in an air chamber which is maintained at a temperature of 50C. Find the ratio of the heat lost per second from the surface of the spheres if a. A and B are at temperatures 60C and 55C, respectively. b. A and B are at temperatures 250C and 200C, respectively.
02
Sep
Two identical spheres A and B are suspended in an air chamber which is maintained at a temperature of 50C. Find the ratio of the heat lost per second from the surface of the spheres if a. A and B are at temperatures 60C and 55C, respectively. b. A and B are at temperatures 250C [...]
A body cools down from 60% = C to 55C in 30 s. Using newton’s law of cooling calculate the time takken by same body to cool down from 55C to 50C. Assume that the temperature of surrounding is 45C.
01
Sep
A body cools down from 60% = C to 55C in 30 s. Using newton’s law of cooling calculate the time takken by same body to cool down from 55C to 50C. Assume that the temperature of surrounding is 45C. A body cools down from 60% = C to 55C in 30 s. Using newton's [...]