For the following questions answer them individually
An object has a potential energy of 400 J with a mass of 20 kg and gravity of 10 N $$kg^{-1}$$. The height of the object is:
In which of the following field Udipi Ramachandra Rao has been awarded Tadma Vibhusharf by the Government of India in 2017?
A shopkeeper sold two items, one at 25% profit and another at 15% loss and got a profit of ₹ 35. If the cost price of the item sold at 25% profit is twice than that of the item sold at 15% loss, find the sum of the cost price of both items.
An object travels 15 m in 4 s and then another 16 m in 3 s. What is the average speed of the object?