A toroid has 250 trims of wire and carries a current of 20 A. Its inner and outer radii are 8.0 and 9.0 cm. What are the values of its magnetic field at r= 8.1, 8.5, and 8.9 cm?

Q: Select the correct statement:   A. Displacement and distance are equals. B. Displacement is always…

A: since displacement is the shortest path.

Q: Average velocity between t=0 and t=2

A: The position of dot at t=0s and t=2s are

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Q: Problem #1: A cannonball is fired off a cliff at an angle of 25 degrees with respect to the…

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Q: So what is the answer?  After how many seconds does the parachutist will reach the ground? What is…

A: Given:m = 65 kg,g = 9.81 m/sec²,b₁ = 30 N-sec/mTake the equation,dv/dt = (mg - b₁v) / m------(1).In…

Q: ow d

A: Given: mass,m=56.2 kg Height, h=15.6 m

Q: Solve the equation

A:

Q: 4 A floorball player hits the ball then it moves across the floor horizontally in a straight line…

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Q: The maximum centripetal acceleration a car can sustain without skidding out of a curved path is 9.40…

A: Given: Maximum centripetal acceleration is 9.40 m/s2. Speed is 40 m/s

Q: c) Q: How can you tell from an x-vs-t graph that you have reversed direction?

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Q: Rank the speed from slowest to fastest. A A B C D b = 60m r = 20m D B C E

A: Given :  distance , b = 60 cm  Radius , r = 20 cm  Find : Rank speed from slowest to fastest

Q: Consider an RLC circuit, with current i and emf 8 which are plotted as a function of time on the…

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Q: The figure shows a closed surface. Along the flat top face, which has a radius of 1.5 cm, a…

A: Given: The radius of the top surface, r=1.5 cm Magnetic of the top surface, B=0.43 T Flux through…

Q: During take off, an airplane goes from 0 to 50 m/s in 8 s. a) What is its acceleration?

A: Consider the formula for the acceleration is, a=∆v∆t The acceleration is defined change in velocity…

Q: Q.3) Please explain Newton's laws of motion.

A: Newton's laws of motion are a set of three laws in classical mechanics, which together establish an…

Q: Assuming the +x-axis is horizontal to the right for the vectors given in the following figure, use…

A: Given:  Vectors A, B, C, D and F We have to find,

Q: Which of the following correctly applies to a projectile In the absence of friction? A.      The…

A:

Q: Ayla was playing soccer with her friends when she accidentally kicked the ball over a cliff. m 23…

A:

Q: 14. A skier leaves the top of a smooth slope with an initial speed of 7.00 m/s. Her speed at the…

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Q: C1. You observed a stone falling freely from a cliff. The time it took to fall is 4 s. How high is…

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Q: Four small spheres of equal mass m, two with a charge +q, and two uncharged are connected by…

A: Velocity is maximum when electrostatic potential energy is minimum, ie, when the string is straight.

Q: Suppose you wanted to store 6 µC of charge in a capacitor across a voltage of 120 V. What…

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