Question # 2 can you show me how to solve Just a study guide so it's not graded Uhiform Lirculal loIOtionacceleration.Kepler's Laws of Planetary MotionNewton's Law of Universal Gravitation and its applicationsKinetics energy, Potential energy, Work. Vector force diagrams.Conservation of Energy: example with a child on a sled sliding down snow-covered hills (see Figure 6.16in textbook)Pendulum swing: frequencyII. Essay questions (5 questions)These practice problems, together with homework solutions and problems in the labs, will help you prepare forthe test.1. A net force of 60 N accelerates a 4-kg mass over a distance of 15 m.a) What is the work done by this net force?b) What is the increase in kinetic energy of the mass? If the mass starts from rest, what is its final kineticenergy?2. The mass of the Earth is 5.98 x 10" kg, and its average radius is 6370 km. Find the gravitational force (theweight) of a 50-kg person standing on Earth's surface by using Newton's law of gravitation. If the person nowstands on another planet whose mass is double of the Earth's mass and radius is 3 times of the Earth's radius,what is the person's weight?3. A 75-kg woman in an elevator is accelerating upward at a rate of 0.6 m/s.a) What is the net force acting upon the woman?b) What is the gravitational force acting upon the woman?c) What is the normal force pushing upward on the woman's feet?4. A very large cat sits at the center of a swing. Two scales are attached to the ropes.One scale reads 5 kg.A. What does the second scale read?

Given: ME=5.98*1024 kgR=6370 km = 6.37*106 mm=50kgM'=2MER'=3RE

2. The mass of the Earth is 5.98 x 1024 kg, and its average radius is 6370 km. Find the gravitational force (the weight) of a 50-kg person standing on Earth's surface by using Newton's law of gravitation. If the person now stands on another planet whose mass is double of the Earth's mass and radius is 3 times of the Earth's radius, what is the person's weight?

2. The mass of the Earth is 5.98 x 1024 kg, and its average radius is 6370 km. Find the gravitational force (the weight) of a 50-kg person standing on Earth's surface by using Newton's law of gravitation. If the person now stands on another planet whose mass is double of the Earth's mass and radius is 3 times of the Earth's radius, what is the person's weight?

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter2: Newton's Laws

Section: Chapter Questions

Problem 16Q

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