as it is given that curved marked the speed as v = 70 km/h
so we will first convert the speed into m/s

now we know that here friction force will provide centripetal force

As we know that centripetal force is given as







<span>Store chemical energy and then let it go as electrical energy when they are connected to a circuit.You can make batteries out of many things,like potatoes</span>
Do they give answer choices? or is it free write? i’ll help if you tell me!!
c because a generator generates electricity with the use of another energy source like nuclear,solar,wind,fossil fuel,gasoline or in rare cases temperature