i believe it's C but i'm not completely sure
Answer:
Required energy Q = 231 J
Explanation:
Given:
Specific heat of copper C = 0.385 J/g°C
Mass m = 20 g
ΔT = (50 - 20)°C = 30 °C
Find:
Required energy
Computation:
Q = mCΔT
Q = 20(0.385)(30)
Required energy Q = 231 J
So you can use the equation force = mass x acceleration to do 2 x 5 to get 10 N
Answer:
1.42
Explanation:
<em> got it right on my homework </em>