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A cylindrical tank 3.0m deep is full to the brim with water. Sunlight first hits part of the tank bottom when the rising Sun makes a 27degree angle with the horizon.
Find the tank's diameter.
Charge q is fired through a small hole in the positive plate of a capacitor. If q is a positive charge, does it speed up or slow down inside the capacitor? reply this question using the concept of force.
A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is i..
What is the force of air resistance. how high was the jump.
Calculate the magnitude of the electric field at the origin due to the following distribution of charges: -q at (x,y) = (a,a), +q at (a,-a), +q at (-a,-a) and -q at (-a,a)
an oxygen ion O2- is moving with a speed of 322 m/s in a direction perpendicular to a magnetic field of magnitude B, what is B
A 260 wooden raft floats on a lake. When an 80 man stands on the raft, it sinks 5.0 deeper into the water. When he steps off, the raft vibrates for a while. What is the frequency of vibration.
A bus is traveling up a hill at a speed of 34m/s. The hill is 23 degrees relative to horizontal and the coefficient of static friction between the bus's tires and the road is 0.6
Calculate the energy density in the electric field. After the collision, the club head travels (in the same direction) at 46 m/s. Find the speed of the golf ball just after impact.
Two heavy pendula of mass m are suspended from strings of length l inside a railroad car of mass M that can roll freely on horizontal tracks (ignore the moment of inertia of the wheels).
The puck has a mass of 0.140kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 70cm/s. The string is pulled downward 15cm by the hole in the frictionless table. Determine the work completed on the puck.
The first puck is deflected 35.8° to the right and moves off at 0.331 m/s. Find out speed of the second puck after the collision.
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.16Tin 3.0×10?3s and the magnitude of the average emf induced in the loop is 82V, What is the area of the loop
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