Why the railway crossing is built on roads on the train tracks?
Q: Which of the following statements are correct? Potential energy does not depend on the reference…
A: Required: The correct statements about the potential energy and change in potential energy
Q: 2 electrons tarvel a distance of 2.0 x 10^-3 meter as their electrical potential is raised by 500…
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Q: alculate the electric potential energy of the group of clow. -4.0 nC 4.0 cm 3.0 cm 3.0 nC
A: Let the given three charges areq1 = 3 n Cq2 = -4 n Cq3 = 3 n C
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Q: Answer both or none
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Q: The statement "if the electric field does positive work on a charge, the potential energy of the…
A: If the electric field is E. The charge is Q . The formula of workdone on the charge by the electric…
Q: What are the two thermoelectric effects
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Q: snip
A: GIVEN :bin Capacity = 160 planksMachine production rate = 250 planks / hour One pallet (single…
Q: 9. What is the ohmmeter reading for each configuration in Fig. 5.96? I kn 1.2 kn 1.2 kn 10 kn 2.2 kl…
A: a)Given that:
Q: Why electric cars (which are amazing) still stink at towing and going up mountains. A family in…
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Q: The gravitational potential energy depends on The vertical distance between an object and the ground…
A: Let the mass of an object = m Let the height of object above the ground = h Let the acceleration due…
Q: In a system of electric charges, the total energy is posit mean? Work done by the external agent is…
A: When the energy of the system of electric charges is positive, it means that the work done by…
Q: Find an expression for the current through the inductor, and voltage across the capacitor. R21 + Vs…
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Q: The force-velocity relationship states that for eccentric contractions: Group of answer choices…
A: The force-velocity (P–V) relation suggests that muscle can regulate its energy output depending on…
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Q: Why electric cars (which are amazing) still stink at towing and going up mountains. A family in…
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Q: Two thin rods of length l carry equal charges Q uniformly distributed over their lengths. The rods…
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Q: On what basis would you classify energy sources as(a) renewable and non-renewable?(b) exhaustible…
A: (a)The energy sources which can be restored or regenerated are called renewable source of energy,…
Q: Why electric cars (which are amazing) still stink at towing and going up mountains. A family in…
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Q: For each pair, which has higher potential energy?(a) The fuel in your car or the gaseous products in…
A: (i) Fuel in car has more potential energy. As the fuel burns, some part of its energy is used to run…
Q: Imagine a sinking ship with 15 people. There are two lifeboats. One lifeboat can fit 9 people and…
A: Answer a. No, the lottery wouldn't be an ethically acceptable way of determining access to resources…
Q: Fariya, a 53 kg female was instructed by the trainer to perform exercise on cycle ergometer with a…
A: Given data: The mass of the female, m=53 kg. The resistance of the cycle ergometer, M=2 kg. The…
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Q: In the science fiction story "The little prince is an android" a second journey of the character…
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Q: The x-axis component of energy is always less than the y-axis component True False
A: A scalar quantity is defined as the physical quantity that has only magnitude, for example, mass and…
Q: A proton at point A has a speed of V=1.0x10 m/s and d = 25 cm. Find the time it required for the…
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Q: (a) Write the names of two types of LWR.
A: As per our answering guidelines, we will be answering only the first question. Kindly post the other…
Q: 6) The work done by the force field F moving along the line segment from (0, 0) to (2, 1) is: a) b)…
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Q: The force between charges is proportional to the product of their charges and inversely proportional…
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Q: Have you ever chewed on a wintergreen mint in front of a mirror in the dark? If you have, you may…
A: Given Data, Emitted frequency of photon ν=8.88×1014 Hz
Q: An electron acquires 5.65x10-16 J of kinetic energy when it is accelerated by an electric field from…
A: Given data; Kinetic energy of electron is, KE=5.65×10-16 J.
Q: If two protons are traveling parallel to each other in the same direction and at the same speed, Is…
A: Given : Two protons are travelling parallel to each other in same direction and at the same speed,…
Q: "if the electric field does positive work on a charge, the potential energy of the system decreases"…
A: For 1st Question. Answer is (Last option ) Statement 1 is not correct and statement 2 is correct.…
Q: One hazard of space travel is debris left by previous missions. There are several thousand objects…
A: Mass (m) = 0.190 mg Initial velocity before collision(u) = 4.00×103 m/s Final velocity after…
Q: For each of the following situations, identify the type of potential energy that the object has. a…
A: (1) A cart on the top of a roller coaster will have gravitational potential energy.
Q: The statement “if the electric field does positive work on a charge, the potential energy of the…
A: If the positive charge moves in the direction of the field, the field does positive work on the…
Q: A: *Q ... ... RA RA В d
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Q: 1. Two persons were practicing social distancing to alleviate the spread of COVID-19. Social…
A: Note :- We’ll answer the first question since the exact one wasn’t specified. Please submit a new…
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