Why dielectric constant is greater than 1 ?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction