i’m pretty sure it’s , the alkali metals
Answer:
T=13.72N
Explanation:
The tension before the ball is released have no angle is in rest at the same axis of the weight so:
∑F=0
Using Newton law in this case the ball is tied so tension before become to swing is
∑F=FN-T=0




Answer:
false, true, true, true, false
Explanation:
Answer:
You put the add sign, so it would be 49. I don't believe that is what you meant to put though.
Explanation: