Answer:
a and b
Explanation:
first one breaks it and second one directly makes it weaker
the ability to use an applied force to make an object move
Explanation:
The scientific definition of energy that relates it to work is the ability to use an applied force to make an object move.
- Energy is defined scientifically as the ability to do work.
- Work done is the force applied to make an object move in a specific direction.
Work done = Force x distance
- Since energy is the ability to do work, we are are correct to say energy is also the ability to use an applied force to make an object move.
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<span>For maximum visibility, backing a vehicle requires a driver to:
Adjust the mirrors so that the driver can see the intended trailer path.
</span>when driver is moving backward or backing a vehicle, adjusting of mirror is important factor because a driver can see backward from the mirror.
Always park back in a space.
<span>There are also other factors a driver should keep in mind:
Turn your head also while backing
back slowly and should ready to stop any moment
if someone is walking behind the vehicle, horn the vehicle etc
</span>
Answer:
a)188.65m
b)154.35m
c)243.7m
Explanation:
Given data:
(a) The distance from the kicker to each of the 2 spectators is given by:
where,
v= speed of sound
=time taken for the sound waves to reach the ears
m
(b)
where,
v= speed of sound
=time taken for the sound waves to reach the ears
(c)As the angle b/w slight lines from the two spectators to the player is right angle,
hypotenuse=the distance b/w 2 spectators
and, the slight lines are the other 2 lines