The charge of 1 mole of proton is equivalent to 1.60217656x10^-19 coulombs. This is also called an elementary charge. Multiply that by 3 to get the net charge of three moles of protons.
Charge of 3 mol protons = 3 x 1.60217656x10^-19 = 4.81x10^-19 coloumbs
So the answer is <span>c) 4.81×10 −19 C</span>
Answer:
a baseball flying through the air at 90 miles per hour
Explanation:
For the question, Therefore, the kinetic energy of an object is proportional to the square of its velocity (speed). In other words, If the velocity is doubled the kinetic energy will increase by a factor of four.
Where everything is effected by a force
Answer:
Explanation:
Optical telescopes collect visible light. The three main types are reflecting telescopes, refracting telescopes, and catadioptric telescopes. Radio telescopes collect and focus radio waves from distant objects. Space telescopes orbit Earth, collecting wavelengths of light that are normally blocked by the atmosphere.
Answer:
Explanation:
x(t) = (3.5 cm)cos[(0.8 rad/s)t]
Angular velocity ω = .8
Time period = 2π / ω
= 2 X 3.14 / .8
= 7.85 s
First time block will pass through equilibrium is T/4 ,
Second time block will pass through equilibrium
= 3.T/4
= 3/4 x 7.85
= 5.8875 s
