Question

D= {x:x is straight line passing through
the given point of a plane}​

Answer 1

Answer:

Hey friend, D= infinte set

Step-by-step explanation: There can be many straight lines passing through a given point in a plane. So it is an infinite set.

Hope it helps :)

Answer 2

Answer:

Mass of each spherical balls (m) = 20 kg

Distance between spherical balls (r) = 10 cm = 0.1 m

Gravitational constant (G) = \sf 6.67 \times 10^{-11} \ Nm^2kg^{-2}6.67×10

−11

Nm

2

kg

−2