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Questions in physics

[Homework Help] Select the correct answer. What is the relationship between the mass, velocity, and momentum of an object? A. The mass of an object is directly proportional to its velocity and momentum. B. The velocity of an object is directly proportional to its mass and momentum. C. The momentum of an object is directly proportional to its mass and velocity. D. Keeping the momentum constant, the velocity of an object is directly proportional to its mass

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] Identify the unknown particle $X$ in the following equation for fission. (Enter your answer in the form ${ }_z^A X$.) ${ }_{92}^{236} U \rightarrow X+{ }_{42}^{103} Mo+2{ }_0^1 n$

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] How does the electric force between two charged particles change if the distance between them is increased by a factor of 3? A. It is increased by a factor of 3. B. It is increased by a factor of 9. C. It is reduced by a factor of 9. D. It is reduced by a factor of 3.

[Homework Help] A test charge of [tex]$2.00 \times 10^{-6} C$[/tex] is placed halfway between a charge of [tex]$8.75 \times 10^{-6} C$[/tex] and another of [tex]$2.50 \times 10^{-6} C$[/tex] separated by 10.0 cm. What is the magnitude of the force on the test charge?