Below are four equations expressing relationships between physical qualities. .g.gravitational field strengths, r radius, rhodensity, G the universal constant of gravitation, m a mass and T a time period. Which of the equations are true. a) gT^(2) = 4pi r^2 b) (4)/3 pirhoGr^(2) = g c) gr^(2) = Gm d) g=(4)/3pirhoGr

Below are four equations expressing relationships between physical qua

1.	Below are four equations expressing relationships between physical qualities. .g.gravitational field strengths, r radius, rhodensity, G the universal constant of gravitation, m a mass and T a time period. Which of the equations are true. a) gT^(2) = 4pi r^2 b) (4)/3 pirhoGr^(2) = g c) gr^(2) = Gm d) g=(4)/3pirhoGr
Answer» only a&B are TRUE only b & C are true only c&d are true only a,b & c are true ANSWER :C