Answer:
d = 84 m
Explanation:
As we know that when an object moves with uniform acceleration or deceleration then we can use equation of kinematics to find the distance moved by the object
here we know that
initial speed
final speed
time taken by the car to stop
now the distance moved by the car before it stop is given as
now we have
Answer:
Electromagnetic waves
Electromagnetic waves bring energy into a system by virtue of their electric and magnetic fields. These fields can exert forces and move charges in the system and, thus, do work on them. However, there is energy in an electromagnetic wave itself, whether it is absorbed or not.
So the answer is B electrical energy
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Answer:
10.0
Explanation:
Mechanical Advantage = distance moves along the plane/distance moved along the vertical
distance moves along the vertical = 0.3m
distance moves along the plane = 3.0m
Mechanical Advantage = 3.0/0.3
Mechanical Advantage = 10
Hence the mechanical advantage is 10.0