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<em>F</em> = 153 N
Explanation:
Let us define first our directional convention. Anything pointing up or to the right is considered positive and anything pointing down or to the left is considered negative. Now let's look at the components and :
= 350 N - 200 N = 150 N
= 180 N - 150 N = 30 N
The magnitude of the resultant force <em>F</em> is given by
To find the direction , we use
or
Let's call Q the initial charge of the object, which is:
When it breaks, the two pieces will have charge
and
, and since the total charge must be conserved, the sum of these two charges must be equal to the initial charge of the object:
We also know the charge of one of the two pieces:
So, by substituting Q and Q1 into the equation, we can find the charge of the second piece, Q2:
Answer:
1750 kgm/s
Explanation:
The equation for momentum is p = mv = 70 * 25 = 1750.