a brick weighing 4 kg is dropped into a 1m deep river from a hieght of 2m . Assuming that 80% of the gravitational potential energy is finally converted into thermal energy, find this thermsl energy in calorie.
a brick weighing 4 kg is dropped into a 1m deep river from a hieght of 2m . Assuming that 80% of the gravitational potential energy is finally converted into thermal energy, find this thermsl energy in calorie.
aditi singh , 10 Years ago
Grade
