A Kenwood student does 300 J of work to lift their little sister up 1.5 meters. What is the weight of the little sister?

Q: Aircraft sometimes acquire small static charges. Suppose a supersonic jet has a 0.650 µC charge and…

A: We can calculate the magnitude of the force from the relation  F=qvBsinθ here, F=force q= charge v=…

Q: A cyclist pedals along a slope which is at 5.0° to the horizontal. The cyclist starts from rest at…

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Q: 6. Two blocks connected by a string are being raised by a 200-N force pulling on the top block. What…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: an LR-series circuit has a variable indicator with variable inductance defined by O10 Find the…

A: Given The inductance is defined as  Lt = 1-t10,0≤t<100,t>10 Resistance (R)  =  0.2 ohm Voltage…

Q: A +12 nC charge is located at the origin. Part A What is the electric field at the position (x1, Yı)…

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Q: 3- In an electron diffraction experiment using graphite the larger ring formed by rows of carbon…

A: As per guidelines we are allowed to answer only first three part of  question. if question have more…

Q: Joe has rolled a long electrical extension cord into a coil of radius rc = 17 cm with Nc = 8 loops.…

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Q: 2) A ray of light is incident from air onto crown glass. Which of the scenarios accurately reflects…

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Q: Two objects having different masses are subjected to Identical forces act for the same length of…

A: It is given that two objects having same masses are subjected to identical forces for same length of…

Q: Earth has a net charge that produces an electric field of approximately 168 N/C downward at its…

A: Given  Electric field, E = 168 N/C  Radius of earth, R = 6.37× 106 m  Net charge of earth, Q

Q: A long straight wire carrying a current of 0.450 A has a loop with a radius of 5 cm. The current is…

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Q: Draw a diagram of the situation and determine the magnitude of the electric field (in N/C)

A: To calculate electric field we consider a unit positive charge at that calculating point then for…

Q: A light ray traveling in air strikes the surface of a slab of glass at an angle of incidence of 30°.…

A: Given that a ray of light traveling in air is incident on glass at an angle of 30°. We have to…

Q: A +12 nC charge is located at the origin. Part A What is the electric field at the position (x1, Y1)…

A:

Q: 79. In proton-beam therapy, a high-energy beam of protons is BIO fired at a tumor. The protons come…

A: Given data, Energy U=0.1 J Voltage V= 12 MV

Q: Two point charges are placed on the x axis. (Figure 1)The first charge, q1 = 8.00 nC , is placed a…

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Q: Three charged particles are located at the corners of an equilateral triangle as shown in the figure…

A: let q1 = 2.8 x 10-6 Cq2 = 7 x 10-6 Cq3 = 4 x 10-6  C

Q: Four equal +2.00-µC point charges are placed at the corners of a square 4.00 m on each side. (k =…

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Q: A baseball (m=145g) traveling 33 m/s moves a fielder's glove backward 27 cm when the ball is caught.…

A: Given: In this question, the given values are, The given mass of the baseball is m=145 g, And the…

Q: hown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 2.86 A and I, =…

A: calculate the net magnetic field at point and find direction as per shown.

Q: A block (4 kg) starts from rest and slides down a frictionless ramp #1 of height 9 m. The block then…

A: Since you have posted multiple parts we will solve the first three parts for you, kindly post the…

Q: When you go out to your car one cold winter moning you discover a 0.70-cm thick layer of ice on the…

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Q: A solenoid with radius a produces a magnetic field with strength B pointing into the page. A square…

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Q: 3. If V = 12 V in the circuit below R = 100 N R2= 200 N %3| R3 = 100 N R5= 300 N R4 = 150 N R, = 100…

A: Solution: Given that V = 12 V and the values of other resistors

Q: 2) Swimmers at a water park have a choice of two frictionless water slides as shown in the figure.…

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Q: Replace the three forces shown by an equivalent force-couple system at point A. If the forces are…

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Q: A carbon nucleus and an iron nucleus are initially located 6.20 nm apart from one another. How much…

A: Solution:-Given thatInitial distance between carbon nucleus and iron nucleus (r1)=6.2 nm=6.2×10-9…

Q: 69 physics

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Q: A frisbee is thrown with a velocity of 20m/s. How long will it take the frisbee to strike a target…

A: Given data:  Velocity (v) = 20 m/s Distance (d) = 84 m Required: The time (t)

Q: 4. One on end of a pipe with a diameter of 5.00 cm, the pressure is 100 kPa and the speed of the…

A: Fluid mechanics.

Q: Two objects have equal mass. They are thrown with equal speed against a wall. Object 1 bounces back…

A: Given data *The mass of object 1 and object 2 is m *The initial velocity of object 1 and object 2 is…

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: A loop of wire with radius r-0.035m is placed in a region of uniform magnetic field with magnitude…

A: radius (r) = 0.035 m initial magnetic field = 0.65 T final magnetic field = 7.5 T time (t) = 9.5 s…

Q: thanks for the help

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Q: 7. What can be done to increase the effects of an electromagnet?

A: (7) What can be done to increase the effects of an electromagnet.

Q: in an experiment on rotation. If the rod is nailed at a distance of (1/3)L from one of its ends and…

A: moment of inertia I = mr2

Q: The Apollo 8 mission in 1968 included a circular orbit at an altitude of 111 km above the Moon's…

A: Mass of spacecraft m = 15000 kg Moon's mass M = 7.35 × 1022 kg Moon's radius R = 1738 km = 1.738 ×…

Q: A Van de Graaff generator is one of the original particle accelerators and can be used to accelerate…

A: Given data: Current, I=5.25 mA=5.25×10-3 A Energy of the proton, E=1.95 keV Our question is to…

Q: A 24.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

A: Given: In this question, the given values are, The given mass of the crate is, m=24 kg. Then the…

Q: A coaxial cable filled with teflon carries a current of 0.75 Amps out of the page along the central…

A: The integral form of the original circuital law is a line integral of the magnetic field around some…