What is 7,782 rounded to the nearest hundred? I am guessing it's 7800
2 answers:
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The answer is 12 J.
The kinetic energy (KE) of an object is expressed as the product of half of the mass (m) of the object and the square of its velocity (v²):
The unit of the kinetic energy is Joules (J = kg · (m/s)²).
It is given:
m = 1.5 kg
v = 4 m/s
It is unknown:
KE = ?
Thus:
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Therefore, the kinetic energy of the bird is 12J.
The kinetic energy (KE) of an object is expressed as the product of half of the mass (m) of the object and the square of its velocity (v²):
The unit of the kinetic energy is Joules (J = kg · (m/s)²).
It is given:
m = 1.5 kg
v = 4 m/s
It is unknown:
KE = ?
Thus:
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Therefore, the kinetic energy of the bird is 12J.
Answer:
Option C.
Step-by-step explanation:
Given information
and
and
Using the given information we get
The formula for confidence interval for p_1 - p_2 is
From the standard normal table the value of z* at 95% confidence interval = 1.96.
The 95% confidence interval for p_1 - p_2. is (-0.003,0.029).
Therefore, the correct option is C.