A bar magnet is positioned near a coil of wire as shown in Figure P20.23. What is the direction of the current in the resistor when the magnet is moved (a) to the left? (b) to the right?

Q: A plane flies horizontally at an altitude h = 4 km with a horizontal speed of 540 km / h ; it launch...

A:

Q: Two charged particles, held not too far from each other, are released. As they move, the electric fo...

A: The formula for the electric force is: From the formula,

Q: hello, what is the density experimental and % error of them

A: Required : Experimental density and percentage error.

Q: Q#04. The long solenoid S has 440 turns/cm and carries a current i = 1.5 mA; its diameter D is 7.2 c...

A: The magnetic field (B) at the center of the solenoid that has n turns per meter and carries a curren...

Q: (a) Find the polar coordinates corresponding to (x, y) = (3.27, 1.21) m.r =  ____ m? = ___ °

A: The polar coordinates.given,(x, y)=(3.27, 1.21) m

Q: A train is on a highway with a constant speed of 20 m/s. A car is traveling in the opposite directio...

A: Speed of the train is vt = 20 m/s Speed of the car is vc = 40 m/s Frequency of the car's horn is fc ...

Q: If a force pair is applied internal to a system, explain why they will or will not accelerate the sy...

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Q: The speed of sound in air (in meters per second) depends on temperature according to the approximate...

A: (a) Assume that the temperature at altitude x is Tx. Thus, from the question statement, Now, the fo...

Q: What is the average power supplied by a 60 kg person running up a flight of stairs a vertical distan...

A: The person’s average power can be determined as, Here, W and t represent the work done and the time...

Q: Two marbles with different masses move toward each other on a frictionless surface (as shown Figure)...

A: In an elastic collision, the momentum is conserved.  The coefficient of restitution is given by  e =...

Q: What is the Net force on a bathroom scale when a 170 lbs person stands on it? Explain fully by using...

A: Given data: Mass of the person = 170 lbs Newton's third law: It states that " Every action have thei...

Q: A ball of mass 2 kg is tied to one end of a string of length 1 m and the other end of the string is ...

A: Use the energy conservation between the lowest point of the vertical circle and when the ball makes ...

Q: Two charged spheres are separated by a distance of 23 cm. The force of attraction between the two ch...

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Q: Consider the following schematic diagram that shows Q1- 3C and Q2 = -3C.Which arrow (A,B, C or D) re...

A: Q1 = 3CQ2 = -3 C Observation point = P   

Q: Physics Question

A: Note: As per guidelines, we can only answer a single question. Sorry for the inconvenience. For answ...

Q: A cannon is fired to a hill. The beginning of the hill is 200 meters away from the cannon and it is ...

A: The range of the bullet can be calculated as, R=v2sin2θg=60 m/s2sin260°9.8 m/s2=318.13 m

Q: What is rayleigh-jeans law on black body radiation and 'ultra violet catastrophe'?

A: The ultraviolet catastrophe or Rayleigh-Jeans catastrophe came into existence in the early 20th cent...

Q: Physics Question

A: The potential energy of the body executing SHM is zero at the mean position and maximum at extreme p...

Q: Which graphs represents the relationship between the pressure of an ideal gas and volume if the temp...

A: Formula:  PV=nRT  Where, P = Pressure. V = Volume. R = Gas constant. T = Temperature. n = Number of ...

Q: A weightlifter curls a 35 kg bar, raising it each time a distance of 0.60 m. How many times must he ...

A: A slice of pizza contains 1260 J. A fraction of this energy can be used as work and the remaining is...

Q: (a) Calculate the potential 1.00 m from an isolated proton. (b) Calculate the potential 1.00 m from ...

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Q: 32.0 cm. The resonating air column vibrates as i the lowest note that a piccolo can play, assuming t...

A: Length of piccolo (l)=32.0cm speed of sound (v)=341m/s A) minimum resonating frequency (f)=V/2l f=34...

Q: Video is “ ball rebound from a wall” - pivot Ps. Not being graded , practice before final

A:

Q: A runner with a mass of 79 kg accelerates from 0 to 6 m/s in five seconds find the net force of the ...

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Q: Physics Question

A: We know that the dimensions of velocity are = M0L1T-1We know that the dimensions ofacceleration are ...

Q: A row of seats is parallel to a stage at a distance of 8.4 m from it. At the center and front of the...

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Q: What is the ganitude and direction of the electric field at 0.25 m from a -5.60x10-6 c point charge?

A: charge(q) = -5.6×10-6 C distance from charge (d) = 0.25 m   

Q: I have number 1 done. I am having trouble on understanding how to do number 3 and 4. Thank you!

A:

Q: A block-spring system consists of a spring with constant k = 405 N/m attached to a 1.00 kg block on ...

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Q: 8. When the mass reaches point x = +A, its kinetic velocity is? * a. Maximum and positive O b. Maxim...

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Q: Describe briefly how to soundproof sport hall.

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Q: 7. A cylinder hás à radius of 4.6 ± 0.4 cm and a height of 5.36 ± 0.3 cm. (a) Find the volume of thi...

A: Radius of the cylinder (r)=4.6±0.4 cm Height of the cylinder (H)=5.36±0.3 cm

Q: The man exerts a force of 100 N on the wagon at an angle of 30 degrees above the horizontal. Find th...

A: Given: Force on wagon, F=100 N Angle made with horizontal, θ=30° Force has two components: 1. Vertic...

Q: A balloon has a volume of 0.3 m3 at room temperature (22 C) and is then placed in a freezer. What is...

A: Initial volume = Vi = 0.3 m3 = 300 L Initial temperature = Ti = 22oC = 22 + 273 = 295 K Final temper...

Q: A section of hollow pipe and a solid cylinder have the same radius,mass and length. They both rotate...

A: An object’s rotational kinetic energy can be represented as, Here, I and ω represent the object’s m...

Q: A 10-W light bulb is connected into a 220-V outlet. (a) What is the resistance of the bulb? (b) What...

A: Power of light bulb (P) = 10 W Potential difference at the outlet (V) = 220 Volts  

Q: Please answer the question

A: equation of motion of projectile is given as :h = -4.9t2 + 29.4t + 37.9   

Q: Unbalanced forces acting on an object cause it to ______________________________________________ Acc...

A: Unbalanced forces acting on an object cause it to move or motion Acceleration depends on the net For...

Q: The period of a simple pendulum, defined as the time necessary for one complete oscillation, is meas...

A: Given:The period of a simple pendulum.we have check this equation as dimentionally correct. So,For t...

Q: Fill in the blank: D40 = ________ × D25 See Image:

A: speeding car moves with a speed of (v)= 40 mph Speed limit on the road (u)= 25 mphFinal speed = 0 mp...

Q: A flexible circular loop of radius 10 cm lies in a magnetic field of 4 T. It is oriented so that its...

A: The magnitude of the induced emf in the loop is, ε=∆ϕ∆t=∆ABcosθ∆t=πr22-πr12Bcosθt2-t1

Q: Given a 3.40 μF capacitor, a 3.70 μF capacitor, and a 6.20V battery, find the equivalent capacitance...

A: The equivalent capacitance when the given capacitors are in series connection can be represented as,...

Q: Starting at a height of 8 m, and fired upwards at 11 m/s, how much time is projectile in the air bef...

A: Given - Displacement of the projectile, y =- 8 m Initial velocity , u = 11 m/s  Acceleration due to ...

Q: What is the amount of work done when a 10 kg box is pulled 5 m across a smooth floor with a force of...

A: Given that: Mass of the block, m=10 kg Applied force, F= 50 N θ=30° Distance moved, s= 5 m

Q: 10. A driver in a car traveling at a speed of 60-mi/h sees a deer 100-m away on the road. Calculate ...

A: Given data: Initial speed of the car, u=60.0 mi/h = 26.82 m/s Distance travelled, d=100 m Final spee...

Q: (a) A uniform electric field of strength E = 7.91 N/C passes through a flat surface at an angle of 2...

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: A man pushes an 46-N crate a distance of 62 m upward along a frictionless slope that makes an angle ...

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Q: Four solid plastic cylinders all have radius 2.55 cm and length 6.48 cm. Find the charge of each cyl...

A: Given data: Radius of the cylinder, r=2.55 cm = 0.0255 m Length of the cylinder, L=6.48 cm = 0.0648 ...

Q: A 2.30 kg cube rests upon a frictionless, horizontal floor. The cube is attached to a horizontal spr...

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Q: A 17.5 kg projectile is fired straight up with an initial velocity of 38.7 m/s from a point on the s...

A: