Ultimate Physics Study Guide - Questions & Answers

the use of the doppler effect in the study of astronomy
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A sports car can go from a state of rest to 36 meters per second in 3 seconds.What is the car's average acceleration?10 m/s120 m/s120 StartFragment m/s 12 m/s12 StartFragment m/s120 m/s
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QuestionA rabbit moves a distance of 85 meters in 13 seconds.What is the rabbits average speed?7.26 m/s0.15 m/s6.54 m/s6.54 m/s
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- Determine the tension in each cable in the diagram to the right.
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using this free-body diagram, calculate the net force.
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What is the effect on the speed of a fighter plane chasing another when it opens fire? What happens to the speed of pursued plane when it returns the fire?
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A student releases the 4kg bob of a 0.47m longpendulum from the position shown.What is the period of the harmonic motion?SWhat is the frequency of the harmonic motion?HzHow many cycles would the pendulum make in45s?6(You may answer with a decimal)6
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A student releases the 4kg bob of a 0.47m longpendulum from the position shown.What is the period of the harmonic motion?SWhat is the frequency of the harmonic motion?HzHow many cycles would the pendulum make in45s?6(You may answer with a decimal)6
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If the forces exerted on a 2-kg object are 50 N east and 30 N west, what is the object's acceleration?
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What are the alternatives to nuclear waste isolation?
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.An object has a mass of 10 kg and an acceleration of 20 m/s2. What is the force on the object?
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A 1622 kg car has a speed of 11 m/s when it hits a tree. The tree doesn't move and the car comes to rest. Find the amount of work done by the car as its front is pushed in.
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Question 16 During a rocket launch, the action force is considered the force of explosion from the burning fuel and expanding gases. Which of the following would be considered the reaction force?
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How many cs are there in 40 mins plane ride?
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PLEASE HELP!!The atmosphere consists of four layers: the troposphere, the stratosphere,the mesosphere, and the thermosphere. The troposphere and mesosphereget colder as you go up, but the stratosphere and thermosphere get warm.Based on that information alone, which layers are the only ones where youwould find clouds?
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in the Pollowing figures the horizontal surface on which this block slides is frictionless . if the two Forces acting on each have magnitude F= 30. 10.kg What is the magnitudeof the resulting acceleration of the block
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A bomber flies with a constant velocity of 50m/s at a constant height of 100m. Such that it will fly above a target on the ground. Calculate the horizontal distance of the bomber from the target so that a bomb is released.
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If you push on a heavy box which is at rest you must apply some force to start its motion however once the box is sliding you can apply a smaller force to maintain its motion
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a horse weighs 2400n and each hoof has a surface area of 6cm. calculate the pressure when the horse rears onto two legs
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if a race horse starts from rest and accelerates at a rate of 4.7m/s^2 how long does it take for the horse to go 20m
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torch is rated 2.2v.0.25A.calculate the charge passing through the bulb in one second and energy transferred by the passage of each coulomb of charge.ans-0.25 C and 2.2J
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Mr. Seifert needs to push a cardboard box down the hallway for Ms. Wang. The box has a mass of 40 kg and he is pushing it with an acceleration of 2 m/s/s. Because the cardboard does not slide easily, there is a friction force of 25 Newtons acting on the box to the LEFT. How much force is Mr. Seifert applying to the box to move it forward to the RIGHT?
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Kendell's mom buys him a new bowling ball that has a mass of 4 kg. He rolls the ball with an average speed of30 m/s. What is the average kinetic energy of Kendell's ball when rolling?
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