Consider a circle whose equation is x2 + y2 + 4x - 6y - 36 = 0. Which statements are true? Check all that apply.
2 answers:
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The formula of the kinetic energy is:
K.E =
mv²
The given are
K.E = 100 J
v = 5 m/s
Plug them in:
100 =m × (5)²
100 =m × 25
100 = 12.5m
Divide by 12.5 on either sides to isolate m
= 
12.5 and 12.5 cancels out
8 kg = m
The mass of the baseball that has a kinetic energy of 100 J and speed of 5 m/s is 8 kg
K.E =
The given are
K.E = 100 J
v = 5 m/s
Plug them in:
100 =
100 =
100 = 12.5m
Divide by 12.5 on either sides to isolate m
12.5 and 12.5 cancels out
8 kg = m
The mass of the baseball that has a kinetic energy of 100 J and speed of 5 m/s is 8 kg