Answer:Point B
Explanation:When it is at the bottom of its swing (arm straight up and down). When it is at its lowest point, Gravity can not pull it down any further. This position also has the most kinetic energy because after it passes the bottom, it goes back up again and loses speed. so when the pendulum is at the bottom it is traveling the fastest it will go.
Answer:
140.85 is the correct answer
Answer:
84 protons and 128 neutron
Answer:
Sitting on a couch
Explanation:
The couch is exerting an upwards force so that would make it a contact force
