Answer:
the force required to accelerate a 1,100kg car is 550N
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Mechanical waves require a medium to travel, but electromagnetic waves do not.
We have that K.E and work done is
From the Question we are told that
mass= 80.0 kg
Velocity= 7.50 m/s.
vertical distance of 5.20 m
Slowed to 3.00 m/s.
Generally the equation for Kinetic energy is mathematically given as


B)

Therefore


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Fossil fuels are formed by organic remains that have been buried under rock. "Organic remains" can include animals and plants (think of oil and dinosaurs).