Question
For a system of particles, the center of mass
moves:Solution
The center of mass follows Newton’s laws as if all the external forces were acting on it.
A 280 ml mixture is composed of milk and water in the ratio 11:9. If an equal amount 'x' ml of both milk and water is added, the new ratio of milk to wa...
Suppose you have 60 litres of milk, which you can purchase at Rs. 35 for every 1.5 litres. How many litres of water should you add to this milk to reduc...
A mixture contains milk and water in the ratio 3:4, respectively. If half of the mixture is replaced with 6 litres of water, then the resultant mixture...
Quantity of water in a 300 litres mixture (Milk + Water) is 60 litres less than the quantity of milk in it. Find the quantity of water to be mixed so th...
A container contains a mixture of wine and water in the ratio of 4:1. 150 litres of the mixture was taken out and 50 litres of water was added to it. If...
Sugar costing Rs. 140/kg is mixed with sugar costing Rs. 100/kg in a ratio of 6:4, respectively. Calculate the price per kg of th...
A 600 ml mixture contains milk and water in the ratio of 3:7, respectively. If ‘x’ ml of milk as well as the same amount of water is added to the mi...
The mixture of petrol and Kerosene in two vessels are in the ratio 2:5 and 3: 7 respectively. In what ratio will liquids in both the vessels be mixed to...
Sea water contains 5% salt by weight. If you have 40 kg of sea water, how much fresh water must be added to dilute the solution so that the salt concent...
- Metal mixture ‘P’ consists of iron and nickel in a 4:3 ratio, and metal mixture ‘Q’ contains only nickel and chromium in a 1:2 ratio. If 35 grams o...
