Question
Hiii can someone please help me on this <33 1.Lance Armstrong on his bike (total mass of 75kg) uses a force of 80 N to
Hiii can someone please help me on this <33
1.Lance Armstrong on his bike (total mass of 75kg) uses a force of 80 N to ride his bike west, the wind exerts a force of 60 N east. Draw a free-body diagram and determine his acceleration. (4 marks)
2. A ball has a mass of 0.240 kg and is thrown straight up into the air, the initial acceleration of the ball is 2.69 m/s2. What is the applied force on the ball? (4 marks)
3.An elevator and the two passengers have a mass of 1800 kg and is accelerating upwards at 1.40 m/s2. The man in the elevator has a mass of 120 kg. What is the tension on the cable? (3 marks)
4.A 20 kg box slides east across the floor with an initial velocity of 3.2m/s, the box comes to a complete stop in a distance of 4.0 m. Draw a free body diagram and then determine the force of friction on the box. (4 marks)
5.Randy Johnson can accelerate a baseball from rest to 42.2 m/s west in a distance of 1.60 m, the baseball has a mass of 145 g. What is the force of the baseball onto Randy Johnson? (4 marks)
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