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A 10-turn square coil of wire lies in the xy-plane. A uniform magnetic field of magnitude 2.0 T oriented in the negative z-direction changes steadily to a magnitude of 6.0 T oriented in the positive Z- direction. This change in the magnetic field takes 3s. If the square coil has sides of length 0.3 m, what is the magnitude of the induced emf in the coil during this time?
Briefly describe: (a) Charging by friction (b) Charging by contact (c) Charging by induction *In one sentence if possible.
You are driving a car with a speed of 25 m/s. You slam on your brakes for 1.50 seconds causing your car to decelerate at a constant rate of 4.50 m/s^2. What is your speed at the end of this time?
A flight attendant pulls her 72-N flight bag a distance of 265-m along a level airport floor at a constant velocity. The force she exerts is 44-N at an angle of 57° above the horizontal.
The minimum stopping distance for a car traveling at a speed of 30 {m/s} is 60 {m}, including the distance traveled during the driver's reaction time of 0.50 {s}.What is the least stopping distance for the same car traveling at a speed of 41 {m/s}..
Find out the tension in the strap; given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
A charge of -4.00 nC and a charge of -6.10 nC are separated by the distance of 60 cm. Find out the position at which a third charge of +7.90 nC can be placed so that net electrostatic force on it is zero.
If the LED emits light from a circle with diameter 10mm and is to couple to the fiber which has a50 micro meter diameter core .assume it radiates with afull cone angle 30 degree.
Somewhere between the Earth and the moon, gravity from these two bodies on the space pod would cancel. Is this location nearer the Earth, the moon, or in the middle (having the same distance between) of the earth and the moon.
Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.45m. A test charge (q0 = -3.20 x 10-8 C), with a mass of 5.20 x 10-8 kg, is released from rest at one of the corners of the s..
When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..
What is the electric potential energy of the electron as it is at midpoint and at 14cm from 5 charge.
At the instant the car begins to accelerate, a truck with a constant velocity of 21 m/s passes in the next lane. Explain how far will the car travel before it overtakes the truck?
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