1. A person invests Rs. 5.600 at ia per cent ps compound interest for 2 years Calculate: a. the interest for the first year.
b. the amount at the end of the first your
c. the interest for the second year correct to the nearest munce
d. None of the above​

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.