Number 1 answer should be 144 J.Number 5 answer should be 988 J.You must answer no. 1, 2, 4, 5 and 6Thank you in advance. I hope you can answer those questions. 3.3: ExercisesWork1. Two men are moving a heavy metal box with a mass of 225 kg from an initialposition to one that is 8 m away towards the right. The man on the left of the boxpushes the box with a force of 12 N at angle 30° downward from the horizontalwhile the man on the right of the box pulls it with a force of 10N 40° above thehorizontal. The forces exerted by both men are constant. What is the net work(Wnet) the men exert on the box?2. In example 1, the box of cookies has a mass of 45 kg and the coefficient offriction between floor and the box is 0.3. Determine the work done by each forceif the factory worker pushes the box 8 m across the factory floor.Kinetic Energy energy theorem heré?4. Ceres is the largest and most massive asteroid in the solar system's asterold deie.It has an estimated mass of 9.4 x 1020 kg and an orbital speed of 17,900 m/S.Determine the kinetic energy of Ceres.Gravitational Potential Energy5. Ana's father climbs the stairs in their house and increases his potential emergy by2,000J when he does. The mass of Ana's father is 81 kg. If Anna, who has a massof 40 kg, climbs the stairs, how much potential energy would she gain?6. A child of mass m starts from rest from the top of a water slide. The water slide is7.6 meters high from the bottom of the slide, which is at water level. Assumingthat the slide's friction is negligible, what would be the child's speed at thebottom of the slide?

Answered: Image /qna-images/answer/184daf72-d11b-4818-9f63-b51381772902.jpg

1. Two men are moving a heavy metal box with a mass of 225 kg from an initial position to one that is &8 m away towards the right. The man on the left of the box pushes the box with a force of 12 N at angle 30° downward from the horizontal while the man on the right of the box pulls it with a force of 10N 40° above the horizontal. The forces exerted by both men are constant. What is the net work (Wnet) the men exert on the box? 2. In example 1, the box of cookies has a mass of 45 kg and the coefficient of friction between floor and the box is 0.3. Determine the work done by each force if the factory worker pushes the box 8 m across the factory floor.

1. Two men are moving a heavy metal box with a mass of 225 kg from an initial position to one that is &8 m away towards the right. The man on the left of the box pushes the box with a force of 12 N at angle 30° downward from the horizontal while the man on the right of the box pulls it with a force of 10N 40° above the horizontal. The forces exerted by both men are constant. What is the net work (Wnet) the men exert on the box? 2. In example 1, the box of cookies has a mass of 45 kg and the coefficient of friction between floor and the box is 0.3. Determine the work done by each force if the factory worker pushes the box 8 m across the factory floor.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 8P: A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t2 1 and y = 3t3...

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