Discuss the discovery of positron. How is a positron different from an electron?

Q: True or False Mass is an example of a vector.

A: Mass is a scalar quantity.

Q: What is the slope of a car going 18 m/s for 23 s?

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Q: The measurement of the amount of friction a surface will generate is called

A: Answer Coefficient of friction is the measure of the friction existing between two surfaces. a low…

Q: At the end of year 3, a rope is tied to the very top of the tree to steady it This rope is staked…

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Q: What is the tension in the cord O 4.6 N O 6.4 N O 8.8 N O 10.0 N O None of these

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Q: A skier with a mass of 80 kg skied down a mountain run with an elevation change of 4.25 m, what was…

A: The given values are, m=80 kg∆h=4.25 mv=?

Q: A refrigerator is thrown horizontally off a cliff at 5/MS. It takes 2.9 seconds for the refrigerator…

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Q: Name two fictitious forces in nature.

A: Fictious Forces :   1. When a body is accelerating under the effect of an external force there is a…

Q: 3V. - A=C>B>D A>B>C>D D>B>A=C B>A>D>C B>D>A>C A=B=C=D 3V 8 67 6

A: According to the circuit, Let the resistance of each bulb will be R. For AB, The three bulbs and two…

Q: xplains the physical reasons why the speed of a vehicle must be moderate and commensurate with the…

A: The speed of a vehicle must be moderate and commensurate with the weather and road conditions for…

Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: A car drives around a 30 degree banked track tradius-10 mi with a constant velocity of 8 m/s If it…

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Q: The weight (in newtons) of 600 g of grapes on the Earth is

A: The mass of grapes on Earth is given as Acceleration due to gravity is given as

Q: What problems are there with the statement “A force is a push that acts through a touch”?

A: Given statement “A force is a push that acts through a touch”

Q: Suppose the glider and the hanger had equal masses MG = mh . In this situation, do you expect the…

A: Given: mG=mh Concept Used: The given situation represents horizontal pulley and both the surface and…

Q: If no net external force acts on an object which of the following is true Group of answer choices…

A: According to first law of newton, An object remains at rest or in motion with constant velocity,…

Q: Counterweight 200m 30 20

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