Two particles each of positive charges 2.24×10^-12C are
Situated 40cm apart from
each in a vacuum. Calculate
the force acted on the particle-
Take, permutivity knot=8.854X10-12 Nm / C^2

Which governments provide garbage collection services to homes and businesses

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth