1. Solve the following problems. a) What is the mass of a book that weighs 3 N at a location where g = 9.8 m/s2? b) At the same location, what is the weight of a dog whose mass is 12 kg? 2. At the surface of Mars, the acceleration due to gravity is g = 3.7 m/s2. A watermelon weighs 45 N at the surface of the earth. What are its mass and weight on the surface of Mars? 3. A crate with mass 4 kg and initially at rest on a frictionless horizontal plane is acted upon by a horizontal force of 10 N. Calculate : a) What acceleration is produced? b) How far does the crate travel in 10 seconds? c). What is its speed at the end of 10 seconds?

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Q: 3.4 Ω www -1 3.492 www -121 D 1Ω www Find the current 13. Answer in units of A. 9V A B F C

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Q: Charge 91 -4 μC -4 μC –4 μC -4 μC -4uC Charge 92 2 μC 3 μC 4 μC 5 μC 6 μC r 5 cm 5 cm 5 cm 5 cm 5 cm…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!