Answer:
2.98 m/s^2
Explanation:
I have done this before and it was a question on my physics test
Answer is A) Fulcrum
The fixed point that a lever rotates around is called the fulcrum.
Answer:
Q= -6900 J
Explanation:
use the formula Q=mC(T_2 - T_1) and sub in givens
Q=mC(T_2 - T_1)
Q= (200 g)(0.444 J/g°C)(22-100)
Q= -6900 J
The negative sign means heat is lost, which agrees with the decrease in temperature
The right answer is B. hope this helps you :)