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







Answer:
the answer is calcium....
Carbon 6 hydrogen 12 oxygen 6
Hope this helped!
Answer:
2090 J
Explanation:
the work done to move the cart is equal to the product between the force applied and the distance traveled:

In this case, the force applied is F=209 N, while the distance covered is d=10 m, therefore the work done is
