How much force acts on a tossed coin when it is halfway to its maximum height? How much force acts on it when it reaches its peak? (Ignore air ) essay

Q: Write any three differences between Geothermal and Tidal energy

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Q: 0.90 cm high is viewed under a magnifier of focal length 15 cm by a person with a near point of 31 c...

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Q: potential difference of 450 V is applied to a pair of plates of a capacitor. If the distance between...

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Q: 17.41 A 6.00 kg piece of solid copper metal at an initial temperature T is placed with 2.00 kg of ic...

A: mass of piece of copper = 6 kg Initial temperature of copper = T mass of ice = 2 kg Initial temperat...

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Q: 2) Two objects with equal mass and equal and opposite velocity collide with each other. Find the rel...

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Q: Direction: OCalculate the values asked in the following questions with the given circuit diagram. C1...

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Q: ourtyard, looking for food. The pigeon walks 4.0 m west, 2.5 m north, 1.1 m west, and 7.3 m south. W...

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Q: When a rubber comb is rubbed with human hair, the comb acquires a charge of magnitude 3.00 nC. (a) D...

A: charge acquired by comb (Q) = 3 nC   

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Q: 3. A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? (b) How l...

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A: Given: The weight of the object is 200 N.   The free-body diagram is given below.  

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Q: Find the most probable dustance of a 2s electron from the nucleus in a hydrogenic atom

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Q: Cross-sectional Material Length Resistance area Copper Nichrome 25 m 6.4x10-5m² 50 m 23x10-7m² Carbo...

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Q: 14. which is false ? 94 a. F14+ F15 95 bNFiex+ Fiax + Fiux +Fi6x+ Fizy+ Fiby+Fiy + Fisy CNCEIZE F13x...

A: Resultant of two vectors is √( A^2 + B^2 + 2 AB)  Where A and B is the magnitude of two vectors. 

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Q: in Bohr's hydrogen model, the electrons move in a circular orbit around the proton and its momentum ...

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Q: Categorize the scenarios according to whether the observer would detect the frequency to be higher, ...

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A: object distance (d) = 18 cm focal length (f) = -11 cm   

Q: sider a transforme resistor with resistance R, resulting in an energy dissipation rate of P. Suppose...

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Q: The force on a particle is directed along an x axis and given by F = Fo(x/xo - 1) where x is in mete...

A: work done by a force is given by  W =∫F→.ds→

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.