What is the efficiency of an engine that exhausts 840 J of heat in the process of doing 360 J of work?

Q: 1. A circular loop has radius R and carries current 12 in a clockwise direction. The center of the…

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Q: 11) Which of the following represents the power generated by a liquid flowing o of a hole of area A…

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Q: Can someone do d and e

A: Solution: d). Let the upper half side of the length is replaced by the negative Q/2 charge and the…

Q: Suppose you wanted to store 6 µC of charge in a capacitor across a voltage of 120 V. What…

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Q: v (m/s) 4 s (m) 2

A: Relation between velocity (v) and distance (s) from the graph can be express as -  v4+s2=1 Solving…

Q: What is the position at t=0s?

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Q: Which figure shows X + B? OA A A cal ܘܢܚܢܐ[ E

A: Here in the question, two vectors are given and we have to find the resultant of those two vectors.

Q: X C₁ Y C3 ㅓ이어 V Ca Z

A: 2.Series Capacitors (C3 with 𝐶𝑒𝑞1):When capacitors are connected in series, the total or…

Q: An electron of mass 9.1x10 ^-31 kg and charge 1.6x10^-19 C is ejected from Sodium. If it moves with…

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Q: 50.0 N 1.00 m T= 2. What is the distance x in the figure below?

A: Solving the Differential Equation for Charging:Write the loop rule equation:Vo - iR - Vc = 0…

Q: A pebble is dropped from rest from the top of d falls 4.9 m after 1.0 s has elapsed. How much fa…

A: Given:-  A pebble is dropped from the rest from the top of the cliff   it falls in  t= 1 sec to d =…

Q: Four small spheres of equal mass m, two with a charge +q, and two uncharged are connected by…

A: Velocity is maximum when electrostatic potential energy is minimum, ie, when the string is straight.

Q: 60v R₁ = 62 W R3 = 100 -W- R₂= 1492

A: given          V = 60v          R1=6Ω          R2=14Ω          R3=10Ω

Q: Same object is first released from h and strikes the ground at the distance d, if it is released now…

A: Given, hieght h and 2h and distance for h is d

Q: If only one answer is correct, would it be A or C? Or could both be correct? Please explain.

A: As the roads are banked , there is larger normal force on the vehicle and hence friction(=uN)  is…