Well its C, cant show you the work its in my head sorry.
D. Extreme temprature and cloudy waters
Answer:
The car is going 0 km/h more than the bike
Explanation:
Answer:
a) 0.147 N
b) 9.408 N
c) 9.261 N
Explanation:
The tension on the cord is the only force keeping the block in circular motion, thus representing the entirety of its centripetal force . Plugging in values for initial and final states and we get answers for a and b. The work done by the person causes the centripetal force to increase, and thus is the difference between the final tension and the initial tension.