When space travel will be possible? | FactStar | #Shorts

How many kinds of space lattices are possible in a crystal?

The number of space lattices possible for the crystallographic dimentions alphacancel=betacancel=gamma

The spacecraft to travel to the outer space, must have

As the e.m waves travel in free spaces

When a sound wave travels from water to air , it

A charged particle moves in a gravity-free space without change in velocity. Possible cases are

Protons and neutrons exit together in an extermely small space within the nucleus. How is this possible when protons replel each other?

Two trains cross each other in 12 seconds , when they travel in opposite directions and they take 60 seconds when they travel in the same direction. The possible speeds of the trains, (inm/sec), can be:

When the distance an object travels is directly proportional to the length of time , it is said to travel with