Master Physics with Fun Quizzes & Brain Teasers!

non-example of Newton's third law of motion
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please answer! thank you!
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2.What is the weight of an object that has a mass of 5 kg?
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Is there work being done when kicking a soccer ball?
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A ball is released from the top of a 2-meter long ramp and rolls down with a uniform acceleration of 3 m/s^2.a. How fast is the ball moving when it reaches the bottom of the ramp?b. How long does it take to roll down the ramp?
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all the elements are found on earth, where were they formed?1. in the sun2. in ancient stars3. in earths core4. in the gas cloud that formed earth
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What is the magnitude of force required to accelerate a car of mass1.7 103 kilograms by 4.75 meters/second2?
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What does direction of force mean?
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when x doubles and y stays the same
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Which best summarizes a concept related to the work-energy theorem?When work is positive, the environment does work on an object.When work is negative, the environment does work on an object.O When work is positive, the kinetic energy in a system remains constant.When work is negative, the kinetic energy in a system remains constant.
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How is temperature related to the physical change of a substance?Which best describes why a liquid needs a container when a solid does not?
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if 270 watts of power is used in 42 seconds, how much work was done
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Which circuit is a series circuit
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how does the size of the solar system compare to the Milky Way galaxy?1. the solar system is larger2. the solar system is the same size3. the solar system is much smaller4. the solar system is about one half the size
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Which shows the correct steps in the formation of an ionic bond between these atoms?A magnesium atom accepts six electrons from the fluorine atoms Each fluorine atom donates three of the electrons The magnesium atom becomes a -2 ion Each fluorine atom becomes a +1 ionA magnesium atom donates two electrons to the fluorine atoms Each fluorine atom accepts one of the electrons The magnesium atom becomes a -2 ion Each fluorine atom becomes a +1 ionA magnesium atom accepts two electrons from the fluorine atoms Each fluorine atom donates one of the electrons The magnesium atom becomes a -2 ion Each fluorine atom becomes a +1 ionA magnesium atom donates two electrons to the fluorine atoms Each fluorine atom accepts one of the electrons The magnesium atom becomes a +2 ion Each fluorine atom becomes a -1 ion
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If m=120kg and a=15m/s2, what is the force
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energyPotential energy + Kinetic energyOA) HeatOB) ChemicalElectricalOD) Mechanical
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if an object measures to be 80 centimeters in length, then it is equivalent to ____
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how long would it take for a car to travel 200 km if it has an average speed of 55 km/hr?
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Find the potential energy of the bowling ball from the exercise above that is sitting on a shelf 2 meters high. Remember that g = 9.8m/s. Write equation, substitute values and units into equation, and show final answer.
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A bus travels 6 km east and then 8 km south. The magnitude of the buss resultant displacement is ___km.I would like an explanation as well so I know how you got the answer you got.
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if it takes 3.5 hours for the Hogwarts Express, moving at a speed of 120 mi/hr, to make it from Platform 9 and 3/4 to Hogwarts, how far apart are they?
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explain why a wrecking ball can destroy a building, but a yo-yo cant. Use the term kinetic energy in your explanation.
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Object B has a mass of 10 kg and is moving at a velocity of 2.2 m/s. So object Bs momentum is ___ kg m/s
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