What is common feature of all types of collisions?

What is common to all cells?

What is a collision?

What is the common property with all types of mechanical waves?

Write the common features of asexual reproduction.

A railway carriage of mass 9,000 kg moving with a speed of 36 km h^-1 strikes a stationary carriage of same mass. After the collision, the carriages get coupled and move together. what is their common speed after collision? Is the collision elastic?

Which property is common in all type of waves?

What is collision frequency?

What is common between different types of e.m. radiation?

Give an illustrated account of cartilage. Mention the importnatn features of different types of cartilage.