<span>In order for
an object to accelerate, a <u>force</u> must be applied. It follows Newton’s second
law of motion where it states that a body at rest remains at rest unless a
force is acted upon it. When you move an object, you are exerting a force onto
it. By exerting a force on the object, you are actually displacing it from its
initial position. You cannot apply force to the object without altering its
position. Keep in mind that when you exert work, you are exerting energy too. </span>
Two Sets of solid double yellow lines with spaced two or more feet apart indicates that Do not drive on or over the barrier.
<h3>What are the line colors in lane control?</h3>
Solid yellow lines - it is marked at the center of a road and used for two-way traffic.
Broken yellow lines - It indicate that you may pass if the broken line is next to your driving lane.
Two solid yellow lines - It indicates no passing or Do not drive on or over the barrier.
Two sets of solid double yellow lines are considered a barrier , make a left turn, or a U-turn to cross it.
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Answer: Option (b) is the correct answer.
Explanation:
The given data is as follows.
= 30 J, l = 10 cm = 0.1 m (as 1 m = 100 cm)
F = 10 N
The formula to calculate the work done is as follows.
W = 
Hence, putting the given values into the above formula as follows.
W =
= 
= 1 J
As the dart loses 1 joule of energy when it goes through the barrel. Therefore, the kinetic energy it has when it comes out is calculated as follows.
K.E = 30 - 1
= 29 J
Thus, we can conclude that the kinetic energy of the fired dart is 29 J.
"Mechanical" means that someTHING is moving, so someTHING needs to be there waving, or else there can't be a mechanical wave.
Conductors transfer energy (metal is a good one) and insulators stop the transfer of energy (such as rubber or plastic). Sorry if that is wrong, but I hope it helps!
