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Q: How much work must be done on the particle by the external agent? (in J)

A:

Q: ••27 In Fig. 27-40, the resis- tances are R, = 1.0 n and R, = 2.0 0, and the ideal batteries have…

A: As given, The resistor, R1=1 Ω The resistor, R2=2 Ω The emf voltage, ε1=2 V The emf voltage, ε2=ε3=4…

Q: t what speed will a proton be traveling if it encounters a feild of 2.84-T and generates a force of…

A: given that  F = 3.05 N B  = 2.84 T Q = 1.6 X 10-19 C F = QVB

Q: the electrical energy used by a household whose monthly electrical bill is $42, computed at the rate…

A: Givenmonthly electrical bill is $42At rate of $0.07 per kWh.

Q: Given that the PE at B is 25.0 kJ and KE at B is 80.0 kJ. What is the KE at A if the height at A is…

A:

Q: Can the normal force on an object ever do work? yes no

A: Yes sometimes Normal force also do works on an object.

Q: In a particular city, electrical energy costs $0.13 per kilowatt-hour. (Round your answers, in…

A:

Q: What is the potential energy (compared to the floor) of a 1200N box which is 4.0 m above the floor?

A: Given: The weight of the box is W = 1200 N The height above the floor is h = 4 m

Q: An object is mov ed from pont P(O,0> 0) to point Q (4,7,5) by exerting a force in the direción ŷ = Ì…

A: Write a given value of this question. P=(0,0,0)Q=(4,7,5)V→=F→F→=i^+4j^+8k^

Q: What is the speed of electricity?

A: The word electricity  generally refers to the movement of free electron within conductor in presence…

Q: How can energy be transferred back forth between kinetic energy and potential energy?

A: Ans:-       Kinetic energy can be stored if we drop the object from the shelf or release the spring,…

Q: A 50 kg. diver getsready to dive from a 10 meter high diving board. How much gravitational potential…

A: The gravitational potential energy is given as  U = mgh where, m is the mass, g, is the…

Q: Two blocks, A and B (with mass 40 kg and 120 kg, respectively), are connected by a string, as shown…

A: "As per the guidelines i solved the three subpart". (b) The frictional force exerted on the block A…

Q: What is the potential energy (compared to the floor) of a 1200N box which is 4.0 m above the floor?

A:

Q: PartB: What1 the change in prers ure, in pascals,07 bluool atthe brain due To sitingup, neglecting…

A: As person sits up and height was raised due to this as a result heart needs to create more pressure…

Q: 8. Find the work done by the field F in moving an object from P to 5 F(x, y) = x² ↑ + y³ Ĵ; P(1,0),…

A: Given, Force, F→ = x5 i^ + y5 j^ P1, 0, Q3, 3