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Q. A long wire lying along the x-axis carries a current of 2.60 A in the +x direction. There is a uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along the cartesian coordinate axes' in units of Tesla. Calculate the y-component of the magnetic force acting on a segment of wire of length L = 22.0 cm.
Q. Suppose the roller coaster (h1 = 32 m, h2 = 11 m, h3 = 30) passes point A with a speed of 1.20 m/s. If the average force of friction is equal to one third of its weight, with what speed will it reach point B? The distance traveled is 45.0 m.
Light is emitted by a sodium sample that is moving toward Earth with speed v. The wavelength of the light is 589 nm in the rest frame of sample. The wavelength measured in the frame of Earth is 537 nm. Find v.
Objects with masses of 145kg and a 445kg are separated by 0.330m. At what position (other than infinitely remote ones) can the 32kg object be placed so as to experience the net force of zero.
An oil drop carries one excess electron and weighs 9.6 x10-15 N. What electric field strength is required to suspend the drop so it is motionless.
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
A coin rests 14.60 cm from the center of turntable. The coefficient of static friction between the coin and turntable surface is 0.350. The turntable starts from rest at t = 0 and rotates with the constant angular acceleration of 0.8400 rad/s2.
Al moves off with a speed of 8.98 m/sec in one direction and Jo moves off with a speed of 9.70 m/sec in the other. You can assume friction is negligible. What is Al's mass.
An iron tower in is 399 meters tall on a cold day (T = -6.7 degrees Celsius). What is its height of the tower on a hot day while the temperature is 31.5 degrees Celsius.
Two boxes A and B are connected to each end of a light vertical rope. A constant upward force 80.0 is applied to box. Starting from rest, box descends 10.4 in 3.40. The tension in the rope connecting the two boxes is 37.0
What will the force be between these charges. What should the banking angle of the curves be so that the force of the pavement on the tires of the car is in the normal direction.
find the force exerted by the rope on the bucket. A metallic object is given the negative charge by the process of induction. What happens to object's mass.
A high-voltage transmission line with the resistance of 0.30 /km carries a current of 950 A. The line is at a potential of 710 kV at the power station and carries the current to a city located 161 km from the station.
What is the moment of inertia of flywheel
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