Answer:
wavelength, frequency, energy and speed
Explanation:
Answer:
I believe it's A. An installment credit has an interest rate, repayment terms and fees, and fixed payment.
Answer:
1.56 J
Explanation:
The potential energy only depends on the vertical height from the ground level.
We consider the ground level to have zero P.E.
So when it is 2 m above the ground level,
P.E. = mgh
= 0.078×10×2
= 1.56 J
