A radioactive substance has a half-life of 1,700 years. Calculate the time taken for substance to reduce from one gram to one milligram.
What percent of 2 metric tonnes is 40 quintals?
In the following questions four alternative conclusions are given for a statement. Find out the most appropriate conclusion. About 18.6 metric tonnes of cereals, 2.3 metric tonnes of pulses, 4.6 metric tonnes of oil seeds and 6 metric tonnes of fibrous crops are damaged due to pest today. What does imply these results ?
A bus starts from rest and moves down a hill with constant accelaration . The bus travels a distance of 400 m in 10 second . If mass of the bus is 5 metric tonne, then what will be its acceleration and force acting on it ? ( 1 metric tonne = 1000 kg)
A bus starts from rest and moves down a hill with constant acceleration. The bus travels a distance of 400 m in 10 second. If mass of the bus is 5 metric tonne, then what will be its acceleration and force acting on it? (1 metric tonne = 1000 kg)
A truck starts from rest and rolls down a hill with a constant acceleration. It travels a distance of 400m in 20 s . Find its acceleration. Find the force acting on it if its mass is 7 metric tonnes (Hint.1 metric tonne=1000kg)
