Answer:
The number of atoms are 
.
Explanation:
Given that,
Diameter 
Distance = 2.60 cm
We calculate the number of atoms
Using formula of numbers of atoms
Hence, The number of atoms are .
Hello, Matya
Your question: The force of gravity is (4 points) Select one: a. a contact force b. a distance force c. an electrical force d. a magnetic force
My answer: Hello again you see gravity works like a magnet it pulls object down.
So in this case you answer is D
Important: If my answer helped please mark me as brainliest thank you and have the best day ever!
Answer:
displacement is a vector quantity
Answer:
At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.
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