Physics
Which elements are malleable and good conductors of electricity?

Iodine and silver
Tin and xenon
Iodine and xenon
Tin and silver

ANSWER DOWNLOAD EXAMIANS APP

Physics
Railway tracks are banked on curves

the train may not fly off in the opposite direction
to avoid frictional force between the tracks and wheels
necessary centrifugal force may be obtained from the horizontal component weight of the train
necessary centripetal force may be obtained from the horizontal component of the weight of the train

ANSWER DOWNLOAD EXAMIANS APP