Ultimate Physics Study Guide - Questions & Answers

Use the chemical reaction to answer the question.
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What does Newton's third law describe?A. Equal and opposite forcesB. How the amount of mass influences the amount of force neededto move an objectC. The tendency of moving objects to stay in motionD. The attractive force between two objects due to their masses
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Question #44. Anthony walks to the pizza place for lunch. He walk 4 kmeast, he realized he passed it and then walked 1 km west.What distance did he cover? What was his displacement?
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2. A boy walks 3 miles north then turns around and walks on the same pathsouth for 2.1 miles. What is the boy's displacement?
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Question #22. Stan walks 10km west to the grocery store. He shopsthen walks back 10 km east back to his house. Whatdistance did he cover? What was his displacement?
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If the Mass Number is the sum of the protons and neutrons in an atom, what isthe mass number of
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Problem I Marcella (see warmup problem, above) gets her car moving steadily at 4m/s but suddenly someone stops ahead to assist her and parks their car 14 meters from the front of her car. Marcella grabs the car bumper and pulls very hard, with 200 N of force. The work she does transfers energy out, it reduces the K of the car, as it gradually approaches the other car. a) What is the initial kinetic energy before she tries to stop the car? b) What is the final kinetic energy, when her car hits the other car? What is the speed? c) Suppose the other person also slowed her car, pushing it from the front. How much force would be needed to stop her car 1 meter from the other car? [1 m allows the person not to be crushed!]
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A tennis ball is dropped from the top of a tall building. a second tennis ball is thrown down from the same building make a statement about the acceleration of each tennis ball. A) The first ball falls with a greater accelerationB) The second ball falls with a greater acceleration. C) they both are with the same acceleration because they started from the same height. D) they both are the same acceleration because they are in free fall. E) more information is required
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In which scenario will the two objects have the greatest gravitational forcebetween them?A. Mass of object 1 = 15 kgMass of object 2 = 12 kgDistance between objects = 0.5 mB. Mass of object 1 = 15 kgMass of object 2 = 12 kgDistance between objects = 1.5 mC. Mass of object 1 = 12 kgMass of object 2 = 12 kgDistance between objects = 0.5 mhO D. Mass of object 1 = 12 kgMass of object 2 = 12 kgDistance between objects = 1.5 m
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What is most likely to occur during a chemical reaction
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The Boston Tea Party was an act of civil disobedience by those who believed the Crown to be abusing its power to do what?
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HELP HELP, this should be pretty easy Where does all of earths atmosphere energy come from
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Is silicone a better conductor then silver
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Two vectors have magnitudes 20 m and 44 m. Which of the following cannot possibly be the magnitude of the resultant of the two vectors ?
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what does acceleRation measure
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An object is thrown horizontally off of a cliff. While falling, what happens to the horizontal acceleration?It first decreases and then increasesO It decreasesO It increasesO It stays at zeroO It stays at a constant, non-zero, value
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A 3 kg rock is subject to the force of gravity for 8 s. What is the impulse?
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If Thor throws his axe horizontally at a velocity of 50 m/s at and a height of 20 m, how long does it take before it hits the ground? (gravity is 9.8 m/s^2)
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Which statements represent convection? Select two options.A. Black asphalt gets very hot on a sunny day.B. The movement of air in a hot-air balloon makes it rise into the sky.C. A dark sand beach can burn the soles of your feet.D. A spoon gets warm from sitting in a soup pot.E. A house has high heating bills because the heat ends up in the attic.F. A house loses heat through an exterior wall.
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you throw a snowball horizontally. it hits a target 2 meters away. you notice that it hit .9 m below were u aimed. with what horizontal velocoty did you throw the ball
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the amplitude of a wave is
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Which of the following forces does NOT act on an object sliding down an incline plane?A. force of tensionB. force of gravityC. normal forceD. force of friction
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A 15 kilogram mass is traveling with a velocity of 2.7m/s. What is the object's kinetic energy?
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what happens all by itself because the nucleus is unstable
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