A box contains 87 coins, only Dimes and nickels. The amount of money I the box is $5.45. How many dimes and how many nickels are
2 answers:
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Answer:
Step-by-step explanation:
The momentum of an object is given by , where
is the mass of the object and
is the velocity of the object.
What we're given:
- object's mass
- object's momentum
Substituting given values, we can solve for :
Answer:
The solution is
Step-by-step explanation:
The equation
can be rewritten as
and can be further simplified to
.
Now, taking the inverse sine of both sides we get:
The value of the right side on the interval is
,
which makes the equation (2)
solving for gives
which is our solution.