Questions

Energy can be transferred from one system to the other. The rate at which energy is transferred from one system to other system is called POWER. Energy transferred in one second is called a watt.

We know that, solids have definite shapes and definite volumes, whereas liquids have definite volumes but indefinite shapes and coming to gases it has indefinite volumes and indefinite shapes.

Hence, only in solids, the forces of attraction limit the motion of particles.

Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 10⁸ m/s. 

Cuba

The man want to buy a shirt went to a shop. He was counting the pins as he removed them from a new shirt. unfortunately, he missed one and wore.

a.Direct interaction with customers: The retailer acts as the final link between the organisation and its customer. The retailer knows his customer better than anyone. He even suggests the customer what to purchase and allows him credit facilities to encourage frequent buying behaviour in the customer.

b.Small purchases: The customer purchases goods in small lots from the retail stores. So there are frequent visits to the retail store by the customer.

c.Instrument of marketing communication: via which information about the product is disseminated to the needy customers

A dynamometer wattmeter can be used for measuring both A.C and D.C currents.