Which of the following is it though...?
-is made mostly of hydrogen and helium.
-will eventually run out of fuel and die.
-creates energy through nuclear reactions
It is incorrect, because the identity of the original product has changed. Ca3(OH)2 does not exist! It is no longer calcium hydroxide. To balance an equation, you must manipulate the coefficients, a.k.a. the big numbers that go before reactants or products. Subscripts, the little numbers inside the reactants or products, cannot be changed without completely changing the substance.
To calculate the volume of the diamond, we use the formula
Here, 
is the density and its value given 
and m is mass and its value given
.
1 carat = 200 mg = 0.200 g
So mass of the diamond, 
Substituting these values in above equation we get,
Thus the volume of given carat diamond is 
.
Answer:
6.7 m/s
Explanation:
In the vertical direction:
y₀ = 0.63 m
y = 0 m
v₀ᵧ = 0 m/s
aᵧ = -9.81 m/s²
In the horizontal direction:
x₀ = 0 m
x = 2.4 m
aₓ = 0 m/s²
Find: v₀ₓ
First, find the time:
y = y₀ + v₀ᵧ t + ½ aᵧt²
0 = 0.63 + (0) t + ½ (-9.81) t²
t = 0.358
Now, find the velocity:
x = x₀ + v₀ₓ t + ½ aₓt²
2.4 = 0 + v₀ₓ (0.358) + ½ (0) (0.358)²
v₀ₓ = 6.70
Rounded to two significant figures, the cat's velocity when it slides off the table is 6.7 m/s.
