Explanation:
PE= mgh
6 J= (3m) (9.81 m/s2) (mass)
mass=( 6)/(3×9.81)
mass= 0.20 Kg
The mass of the apple is 0.2 kg
From the question,
We are to determine the mass of an apple that sits on a counter 3m high.
From the given information,
The apple has an energy of 6 J. This energy is the apple's potential energy.
From the formula for potential energy, P.E, we have that
P.E = mgh
Where m is the mass
g is the acceleration due to gravity (Take g = 9.8 m/s²)
h is height
From the question
P.E = 6J
h = 3 m
Putting the parameters into the formula, we get
6 = m × 9.8 × 3
6 = m × 29.4
∴ m = 6 ÷ 29.4
m = 0.20408 kg
m ≅ 0.2 kg
Hence, the mass of the apple is 0.2 kg
Learn more here: https://brainly.com/question/20091567
