4 A constant resistance to motion of magnitude 350 N acts on a car of mass 1200 kg. The engine of the car exerts a constant driving force of 125o N. The car travels along a road inclined at an angle of 0 to the horizontal, where sin 0 = 0.05. Find the speed of the car when it has moved 100 m from rest in cach of the following cases. • The car is moving up the hill. • The car is moving down the hill.
4 A constant resistance to motion of magnitude 350 N acts on a car of mass 1200 kg. The engine of the car exerts a constant driving force of 125o N. The car travels along a road inclined at an angle of 0 to the horizontal, where sin 0 = 0.05. Find the speed of the car when it has moved 100 m from rest in cach of the following cases. • The car is moving up the hill. • The car is moving down the hill.
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Transcribed Image Text:4 A constant resistance to motion of magnitude 350 N acts on a car of mass 1200 kg. The engine of the
car exerts a constant driving force of 125o N. The car travels along a road inclined at an angle of 0 to
the horizontal, where sin 0 = 0.05. Find the speed of the car when it has moved 100 m from rest in
cach of the following cases.
• The car is moving up the hill.
• The car is moving down the hill.
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