On a .75-meter table sits a book whose mass is .5 kilograms. How much Potential energy does it have?
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Ответ:
P.E = 3.675 J
Explanation:
Given data:
Height of table = 0.75 m
Mass of book = 0.5 kg
Potential energy = ?
Solution:
Formula:
P.E = mgh
g =acceleration due to gravity = 9.8 m/s²
by putting values,
P.E = 0.5 kg× 9.8 m/s² ×0.75 m
P.E = 3.675 kgm²/s²
J = kgm²/s²
P.E = 3.675 J
Ответ:
Explanation:
Gravitational potential energy can be found using the following formula.
Where m is the mass, g is the gravitational acceleration, and h is the height.
The mass of the book is 0.5 kilograms. The acceleration due to gravity on Earth is 9.8 m/s². The height of the book is 0.75 meters.
Substitute the values into the formula.
Multiply.
1 kg*m/s²= 1 Newton 1 N*m= 1 JouleThe book has 3.675 Joules of gravitational potential energy.
Ответ:
Molar Mass of (C6H12O6)
C = 6*12 = 72 amu
H = 12*1 = 12 amu
O = 6*16 = 96 amu
----------------------------
Molar Mass of (C6H12O6) = 72 + 12 + 96 = 180 g/mol
If:
180 g → 1 mol
y → 3.25 mols
Solving: Rule of three (directly proportional)
multiply cross