The voltage v0 can be found as the difference va and vb. Use KVL to demonstrate this and derive an equation for v0 in terms of vi, R1, R2, R3, and R4.

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)