A model train transformer plugs into 120V ac and draws .75Awhile supplying 15A to the train. a) What voltage is present across the tracks (first identifyVp, Is, and Ip, and get Vs) b) Is this a step up (Vs>Vp) or a step down(Vs

Q: The two monochromatic waves initially in phase are shifted by the distance shown in the figure…

A: Wavelength is the distance over which the wave repeats its shape. It is measured as the distance…

Q: A playground is on the flat roof of a city school, 5.5 m above the street below (see figure). The…

A: Height of roof (H) = 5.5 m height of vertical wall (h) = 6.8 m Angle of launch (θ) = 53 degree…

Q: B If the loop was initially at rest and floating in space and was free to move in any way…

A:

Q: Computation. Three blocks are connected as in the figure with m4-5 kg, mp-10 kg, mc=7 kg, and 0=4°.…

A:

Q: The bends during flight. Anyone who scuba dives is advised not to fly within the next 24 h because…

A: The soldier dives at a depth 21 m. The parachute is at altitude 7.5 km. The average air density of…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: The motion of a particle is defined by the relation x = 21³ – 15t² + 24t + 4, where x is expressed…

A:

Q: Consider the mass spectrometer shown schematically in the figure below. The magnitude of the…

A: Electric field (E) = 2800 VmMagnetic field (B) = 0.04 T Charge (q) = 1.6×10-19 C mass (m) =…

Q: An object is placed 30.0 cm to the left of a converging lens with a focal length of f1 = 20.0 cm. A…

A: Let u1 and v1 denote the distance of an object with respect to converging lens and distance of an…

Q: Two balls are connected by a spring: m1, X1 m2 , X2 k, l in Calculate the force (positive, in…

A: We know the magnitude of spring restoring force is given by, Fs = k∆x, Where k is spring constant of…

Q: artici form a square of edge length a = 5.10 cm and have charges q1= 8.01 nC, q2 = -18.9 nC, 93 =…

A:

Q: A printer (mass = 1kg) sits near a large desk (mass=10kg). If they are about 2 meters apart, what is…

A: Given: Mass of printer, m1 = 1 kg Mass of desk, m2 = 10 kg Distance between them, r = 2 m…

Q: Find the induced current in the loop, in amperes, at time t = 0.102 s.

A: Induced current is induced emf devided by Resistance , whereas induced emf is given by rate of…

Q: An electron is projected with an initial speed v0 = 5.30x106 m/s into the uniform field between the…

A: Given:-  An electron is projected with the initial speed v0= 5.30×106 m/s into the uniform field…

Q: 1. A skier is coming down the hill. What are the forces acting parallel to the slope of the hill?…

A:

Q: A 4.80-kg block is set into motion up an inclined plane with an initial speed of v₁ = 8.20 m/s (see…

A:

Q: A ball is thrown directly downward, with an initial speed of 6.73m/s, from a height of 28.1m. After…

A: Given  A ball is thrown directly downward, with an initial speed of 6.73m/s, from a height of 28.1m.…

Q: 5. If you want to turn mechanical energy into electrical energy to power the lights in your home,…

A: To Do: Identify the correct device out of the given options for converting mechanical energy into…

Q: relative to the origin is d = (2.00 m)i + (4.00 m) - (3.00 m) k, its velocity is = -(4.03 m/s) î+…

A:

Q: so how do we get the an

A: Intial velocity (u) = 40 m/sFinal velocity (v) = 10 m/sDistance travelled (s) = 1750 musing the…

Q: AT Find CAB

A:

Q: Two vesistors w/ resistan ca of s.on ond 1o1 are in parallel attached to a battery with 12.00. lan…

A:

Q: Can you please answer def as a followup if thats allowed?

A:

Q: If the 0.190 mm diameter tungsten filament in a light bulb is to have a resistance of 0.142 N at…

A: Answer Given data  Diameter of tungsten filament D = 0.190 mm So  Radius r = D/2 = 0.190/2 = 0.085…

Q: I need d and e answered

A: Solution: (d) 1. Prove the Maclaurin series,

Q: 10. A film of oil with thickness 200 nm floats on top of water, as shown in Figure 3. Light with a…

A: Refractive index is the internal property of the medium which tells about the variation in speed of…