Answer: 4 x 106
That’s how you write forty million in scientific notation.
Explanation:
13 cmHg (centimeters of mercury) is the pressure at the bottom of a column of mercury 13 cm deep. It is the equivalent of about 17.3 kPa or 2.5 psi.
Answer:
electricity
If a rod is charged it is because of the electrical force acting on it
Vx=cos60(4)
x-component of velocity
If you think about it, it makes a right triangle when you combine all the different types of forces together such as v, vx and vy. Then, you can use trigonometry and soh cah toa in order to figure out vx.
A system that can be affected by the outside environment, by an exchange of matter or energy is an open physical system .