Question

1 kg of ice at -20°c is mixed with 2 kg of water at90°c .assuming no loss of energy to the environment what will be the final temperature of mixture? ( assume latent heat of ice=334.4KJ/Kg.K, specific heat of water and ice are 4.18KJ/Kg.K,respectively)​

Answer 1

Answer:

Sports Essay 1 (100 words)

Sports are the physical activities with different names according to the ways of playing them. Sports are generally liked by almost all the children whether girls or boys. Generally the topic of benefits and importance of sports are argues by the people. And yes, any type of sport is deeply connected with the physical, physiological, mental and intellectual health of the person. It helps in maintaining the physical and mental fitness of the person. Playing sports on daily basis help in developing the mental skills. It also improves the psychological skills of the person playing. It brings motivation, courage, discipline and concentration. Playing sports has been made necessary in the schools for the welfare of the students.

Sports

Sports Essay 2 (150 words)

Sports are the physical activity done in particular ways of style and all are named accordingly. Indian government has made compulsory playing the sports in the schools and colleges for the student’s welfare and good health as well as improving mental skill. Participation of the children in any of the sports is very necessary and important. Students should be encouraged and motivated by their parents at home and teachers in the schools. It is necessary for the growing children so that they may develop good habits and discipline which they may continue to their adulthood and pass to the next generation.

Sports play great role in improving and maintaining the health and fitness, improving mental skills and concentration level as well as social and communication skills. Playing sports on regular basis prevents person form the many diseases and disorders of the body organs especially overweight, obese and heart problems. Children should never be demoted for playing the sports instead they should be promoted.