A rocket launched from an initial height of 1.2 m reaches a height of 14 m then falls to the ground. a. Draw a vector diagram of the rocket's movement. b . How far away vertically does the rocket land from its initial position ? . Find the resultant displacement mathematically .

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

no

explanation:

no i dont know how to solve this you should probably try to google the answer