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Q: To maximize the magnification of a microscope, what is the best combination of the focal lengths of…

A: explanation-      We know the formula for magnification of microscope-…

Q: A motorcyclist starts from rest and reaches a speed of 7 m/s after travelling with uniform…

A: Given data :       Initial velocity   =   u        Final velocity    =   v           Time    =    t…

Q: A current-carrying gold wire has diameter 6.89 mm. The electric field in the wire is 9.24 V/m. What…

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Q: A 870-g quantity of a substance is at its melting point of -117.9°C in the liquid state. The heat of…

A: mass = 870 g = 0.87 kg melting point temperature = - 117.9oC= -117.9 + 273 k = 155.1 k  latent heat…

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Q: d) The equation below describes the disintegration of a bismuth nucleus into a thallium nucleus and…

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Q: Step 6 Simulated i Simulated V i=1.0A V₁ = 10V |V₂= 10V V₁= 10V V-=30V

A: Step-6: Given: iT=1 AV1=10 V, V1=10 V, V1=10 V, and VT=30 V

Q: Suppose that a mass of 349 g stretches a spring 13 cm. The mass is also attached to a damper with…

A: Mass=349g Spring=13cm

Q: The voltage in circuit is 30 V and resistance is 4 ohms find current ?

A: Given Voltage in the circuit = 30 V  Resistance of the circuit = 4 Ohms To find out Current in the…

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Q: An organ pipe is open at both ends. It is producing sound at its n = 2 harmonic, the frequency of…

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Q: Superman must stop a 120-km/h train in 200 m to keep it from hitting a stalled car on the tracks. If…

A: Given: Train speed = 120 km/h or 33.33 m/s Distance in which superman has to stop the train = 200 m…

Q: A metallic weight is suspended from a metal spring. What would happen if now a current is passed…

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Q: QUESTION 18 The baseball player in center field is playing approximately 300 feet from the…

A: GIVEN Distance between player and camera = 300 ft Distance between ball and the camera = 390 ft…

Q: A charge is travelling along the path of a magnetic field. It will be a.) deflected upwards…

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Q: A charge 91 = 2.32 μC is at a distance d = 1.33 m from a second charge q2 = -4.87 μC. 91 92 (a) Find…

A: Given data as per question q1    =   2.32*10-6 q2   =  -4.87*10-6 d    =  1.33m

Q: Problem 3: Suppose a 62-kg mountain climber has a 0.84 cm diameter nylon rope. Randomized Variables…

A: We know, FA∆LL0=Y  ....................... (1) Where, Y is Young’s modulus.F is the force exerted by…

Q: In an experiment two identical rocks are simultaneously thrown from the edge of a cliff a distance…

A: GIVEN Two identical rocks are simultaneously thrown from the edge of a cliff at a distance h0 above…

Q: A boll rounds a 20 m radius curve at 10 m/s. The magnitude of it's in m/s² acceleration

A: Given data :                      Radius    =    R                      Speed     =    V        To…

Q: A pitching machine is programmed to pitch baseballs horizontally at a speed of 134 km/h. The machine…

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Q: A ring of radius 7 m lies in the x,y plane, centered on the origin. The portions of the ring in the…

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Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 14.5 Q. When they are…

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Q: One (1) weber is the same as 1V.s 1T-s 1T/m 1T/m²

A: weber is defined as the unit of magnetic flux  thus 1Wb is equal to  1T*m2  thus options B, C and D…

Q: 2) The uniform solid block in the figure has mass 0.172 kg and edge lengths a = 3.5 cm, b = 8.4 cm,…

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Q: Physics need help w part b and c Ally B ted Light reflected from a horizontal surface, such as a…

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Q: The length and the number of tur The resulting inductance is

A: GivenThe length and the number of turns of a solenoid is doubled.

Q: Two particles are fixed to an x axis: particle 1 of charge q₁ = 2.54 × 10-8 C at x = 20.0 cm and…

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Q: Determine the momentum of a car having mass 20 kg moving with a velocity 8 m/s

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Q: Two long straight wires pierce the plane of the paper at vertices of an equilateral triangle as…

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Q: The increase in resistance of material depends directly on the rise in temperature directly on its…

A: Let the original resistance = RoLet the original temperature = T Let the new temperature = T' Let…

Q: A 73-kg cross-country skier glides over snow as in the figure below. The coefficient of friction…

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Q: Shown in the figure is an infinitely long ideal solenoid of conducting wire. Inside, a bar magnet…

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Q: (a) State Newton's law of gravitation in word form. (b) Use the law to show that that the escape…

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Q: An electron in hydrogen drops from the 5th to the 3rd orbital. What is the energy of the photon…

A: Given As electron in hydrogen drops from 5th to 3rd  orbit To find out  The energy of photon…

Q: A straight wire segment I L = (3.0 [A])(4 [cm] Î +3 [cm] ĵ) is in a uniform magnetic field B = 2.0…

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Q: Answer and justify the following question completely. Show solution to the problem. 3. What factors…

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Q: The resistances in Figure (a) and Figure (b) are all 8.7 02, and the batteries are ideal 28 V…

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Q: When an object falls freely under the influence of gravity there is a net force mg exerted on it by…

A: According to Newton's third law , "every action has its equal and opposite reaction". The…

Q: Problem 6: A uniform stationary ladder of length L and mass M leans against a smooth vertical wall,…

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Q: Determine the momentum of a car having mass 20 kg moving with a velocity 8 m/s

A: Given Mass of a car = m = 20 kg Velocity of car = v = 8 m/s We have to calculate momentum of the car

Q: A boll rounds a 20 m radius curve at 10 m/s. The magnitude of it's in m/s² acceleration

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Q: A proton passes undeflected through a region where there is a magnetic field perpendicular to an…

A: The electric force on proton is given by                                F = qE      .....(1) Where q…

Q: In the figure, two circular arcs have radii a = 14.3 cm and b= 10.3 cm, subtend angle = 71.0°, carry…

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Q: The patient's fever, it turns out, is being caused by the patient's own body generating too much…

A: Given The patient will produce 1683 joules of excess heat each minutefor 12 full hours before the…

Q: The resistance of copper wire with a = 0.00393/C° at 20°C is 85 Q. At 56 °C, its resistance would be…

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Q: When an object is experiencing a net torque It is in dynamic equilibrium It is in static…

A: When an object is experiencing a net torque It is in dynamic equilibrium It is in static…

Q: A 3.0 -m bar moving through a uniform, 2.5 -T magnetic field with a speed of 2.0 m/s, oriented as…

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Q: The pilot of an airplane travelling 160 kph want to drop supplies to flood victims 160 m below. The…

A: Given Speed of an airplane = 160 kph   Height of plane = 160 m We have to calculate  The supplies…

Q: Three very long parallel wires are in the same plane. They are separated by a distance a with each…

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