Answer: a) speed = 3.45 × 10^-2 m/s
b) speed = 1.38 × 10^-1 m/s
Explanation: shown in the attachment
Valence electrons are the electrons in the outermost energy level of an atom — in the energy level that is farthest away from the nucleus.
I think it's A.
False, money is a medium of exchange to acquire goods and services.
Depending on what you want to cancel, it is advisable to pay with cash or bank transfer.
Also, it is important to know that each country has its own exchange currency.
In the United States, the currency is the dollar.
In Europe, the currency is the euro.
Answer:
b. False
The answer is d, gravity is the only force acting on the object
No, speed is not a vector. it is scalar.
because it doesn't need direction but need magnitude.
