<span>The answer is low gear. To dry the brakes of a vehicle, one must driv slowly in low gear and apply light pressure on the vehicle's brake pedal. Dry brakes are less expensive and are cheap when it needs replacement, yet under pressure they may cause more damage to the system than wet brakes, which are better in terms of emergency.</span>
Work done is given by product of force and displacement due to that force
So here we will have
here we know that
Now work done is given as
so it will do 16 J work to move the box
[two waves] pass a point [every second]... The answer is in the question (B)
The lens changes the focal distance of the eye so that you can focus on images/objects.
22.5 J
Explanation:
Given:
x = 3 m
The spring potential energy 
is
