A hypothetical planet has mass of 4 x 10^24 kg, a radius of 4 x 10^6 m, and rotates around its axis for 72 000 seconds. At what tangential speed (Vsat)
should that satellite be propelled for it to be in geosynchronous with the
hypothetical planet. Hint: Calculate the Rfirst then use it to calculate the
Vsat.

i don’t know what the answer is i wish i

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.