Si dos moviles se desplazan por una autovía, de forma que sus velocidades son iguales v1=v2 =25 m/s ¿se puede afirmar tajantemente que son iguales las velocidades de dichos automoviles? tema: vectores

a and b sometimes have a positive value

0.11 m/s and 0.28 m/s should be correct

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