Master Physics with Fun Quizzes & Brain Teasers!

Suppose someone slides a 2kg physics book across the desk. At point A the book is sliding at 3m/s, and it encounters a constant 4N frictional force as it slides 1.5m across the desk to point B. What is the speed of the book at point B?Will pay to who gets it right
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A vehicle approaches a set of traffic lights with a speed of 15m/s. When 50m from the lights the driver brakes and comes to a rest at the lights. Calculate the deceleration of the vehicle
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1.) True or False. Scientists have drilled through the crust to reach the mantle.
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Describe how resistance affects the flow of current in a circuit
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Below are four statements about acceleration. Which statement is not correct? A Acceleration always involves changing speed. B Changing direction always involves acceleration. C Changing speed always involves acceleration. D Circular motion always involves acceleration.
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Un zapato de golf tiene 10 tacos cada uno con un rea de 0.01 pulgadas en contacto con el piso suponga que el camino hay un instante en que los 10 tacos soportan el peso completo de una persona de 180 libras cul es la presin ejercida por los tacos sobre el suelo?
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Write five ideas that you can recall about the types of important values and skills, how to set and reach goals, and different ways people learn.
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PLEASE HELP DUE IN MINS. Thanks
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Transpiration is the same as evaporation.TrueOrFalse?
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What is the hydrosphere?everything to do with landO everything to do with waterO everything to do with airO everything to do with rocks
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describe the conditions necessary for sublimation to occur please help
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True or False?There are equal numbers of protons and electrons in neutral atoms.
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Un zapato de golf tiene 10 tacos cada uno con un rea de 0.0 pulgadas en contacto con el piso suponga que al caminar hay un instante en que los tacos soportan el peso completo de una persona de 180 libras cul es la presin ejercida por los tacos sobre el suelo?
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Pun zapato de golf tiene 10 tacos cada uno con un rea de 0.01 pulgadas en contacto con el piso suponga que caminar hay un instante en que los tacos soportan el peso completo y una persona de 180 libras cul es la presin ejercida por los tacos sobre el suelo
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in a convection current___.warm fluid sinks to replace cool fluidwarm fluid is more dense, and therefore, risesheat flows from cooler areas to warmer areascool fluid is more dense, and therefore, sinks
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In a game of tug of war, Team A pulls with a force 850N, Team B pulls with force of 975N. Calculate the net force on the rope. Be sure to include which direction.
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The cryosphere is not part of the hydrosphere.TrueOrFalse
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What the heck is friction
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A student measures out 5.0 g of magnesium and burns it. After the reaction, the studentmeasures 7.9 g of magnesium oxide. How much oxygen must have been used in thereaction? (include the correct unit)1
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a space station looks like a large wheel. the wheel rotates constantly. the inside of the wheel is the floor of the space station. this spinning motion simulates gravity. explain how this works.a) the spinning motion simulates the rotation of the earthb) astronauts must push on the floor and apply force on it to make it movec) all object in the space station require a force from the floor or they would not moved) circular motion requires acceleration to change direction. this is created by a force that the floor exerts on objects on the inside of the wheel
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Name your favorite color.-Mondays 10 points-Wednesdays 10 points-Fridays 10 points-Sundays 10 points-2 Questions every Day So 4 lucky people will get 10 points!If you're from K12 post in chat
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A race car starts from a rest to increases its speed to 23 m/s over a distance of 120 m. Calculate acceleration.
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Which type of twins are most crucial to research when studying the relationship between nature and nurture? Why?
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What the heck is inertia
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