A perfectly insulated uniform rod has length 35 cm and the rate of energy transferred
46.286 J s-! One end of the rod is in thermal
contact with ice block at 0 °C and the other end
is at 180 °C. Determine the radius of the rod.
(Use k= 360 W m"°C)

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6

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

momentum of soft ball three times less than baskey ball