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The wire is hung beween two towers and has a lenght of 143 cm.A cuurent of 111A exists in wire , and potential difference betweenends of wire is 0.432. Density of material is 7300 Kg/m3 andresistivity is 3.86*10-8 ohm. Find the mass of wire.
A flywheel having constant angular acceleration requires 4.60 to rotate through 170 . Its angular velocity at the end of this time is 104. Find the angular velocity at the beginning of the 4.60 interval; the angular acceleration of the flywheel.
The radius of a typicalhuman eardrum is about 4.0 mm. Find the energy persecond received by an eardrum when it listens to sound that is atthe threshold of hearing. Find the energy per second receivedby an eardrum when it listens to sound that is a..
A 0.0400 kg golf ball initially at rest is given aspeed of 35.0 m/s when a club strikes.If the club and ball are in contact for 2.00 ms, what average force acts on the ball
The International space station (ISS) orbits the Earth at an altitude of 350km above the surface. it takes 90min to complete one orbit around the Earth. explain why the two clocks fall out of synchronization
The crates are pulled to the right at a constant acceleration 3m⁄s^2 by a horizontal force F. Calculate (a) the magnitude of the force F and (b) the tension in the rope connecting the blocks. Include the free body diagram or diagrams you used.
A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. obtain the potential difference between the two conductors
A 12- V battery causes a current of 0.40A through a resistor. how may joules of energy does the battery lose
An airplane is making a turn with a given radius in a circle. The lift force (given) is exerted perpendicular to the wings. What is the angle that the wings make with the horizontal
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 870 N person climb before the ladder begins to slip?
A low-power laser used in a physics lab might have a power of 0.40 mW and a beam diameter of 2.6 mm. Calculate the average light intensity of the laser beam
A bullet of mass mb = 0.02 kg is moving with a speed of 100 m/s when it collides with a rod of mass mr = 5 kg and length L = 2 m. What is the angular speed (in rad/s) of this rotation
Multiple-Concept Example 1 discusses the concepts that are relevant to this problem. obtain the rise in its temperature
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