Answer:
60 servings
Step-by-step explanation:
1/4 = 20% of a pound of blueberry
1 pound of blueberry = 100 ÷ 20% = 5 servings
12 pounds = 5 x 12 = 60 servings
Answer:
v = 8.49 m/s rounded off to 3 significant figures
Step-by-step explanation
Using Energy Conservation
U = Tk + Vp (Sum of kinetic Tk Energy and gravitational potential Vp Energy)
- At height = 3.67 m, the hammer was still or the velocity was negligible; hence, vi = 0 m/s.
- Ui = 0 + mgh
- At ground all potential energy is converted to kinetic; hence, Uf =
mv². - Since total energy of the system remains constant we equate Ui to Uf.
- Ui = Uf
- mgh =
mv² - After cancelling out masses and making v the subject of the formula we get:
v =
=
= 8.49 m/s rounded off to 3 significant figures
The 3rd one on top is correct
Answer: 112
Step-by-step explanation: you have to do 8 times 14 because you take one triangle and put it on the other side to make a full rectangle