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A 23 m long copper wire,2.00 mm in diameter including insulation, is tightly wrapped in a single layer with adjacent coils touching, to form a solenoid of diameter 2.5 cm.
(a) What is the length of the solenoid and
m
(b) What is the field at the center when the current in the wire is 20 A?
T
A 0.42 kg ball is dropped from rest at a point 1.30m above the floor. The ball rebounds straight upward to a height of 0.580 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the floo..
An electric water heater holds 165L. If electricity costs 0.18 per , how much does it cost to raise the water temperature from 10 to 60.
A stone is thrown horizontally from the roof of a tall building with a speed of 23.3 m/s. If the cliff is 26.5 high and stone lands on level parking lot below, how far from the building will the stone land?
A 96 kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 1.80 m/s^2.
A 40g block of ice is cooled to -78 deg celcius and is then added to 560g of water in an 80g copper calorimeter at a temperature of 25 degrees celcius, determine how much ice is left
A 2kg lunchbox is sent sliding over a frictionless surface, in positive direction of an x axis along the surface. Start at time t = 0, steady wind pushes on the lunchbox in the negative direction of the x axis.
a projectile is fired with an initial speed of 64.8m/s at an angle of 44.3 degrees above th horizontal on a long flat firing range. determine the direction of the projectile
A 0.950kg block is attached to a spring with spring constant 16N/m, What is the amplitude of the subsequent oscillations and What is the block's speed at the point where x= 0.20
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
The electric field points radially outward at all points within the sphere (and outside too, for that matter). What is the strength of the electric field at a distance r from the center, inside sphere.
illustrate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point A (at the bottom of the vertical circle)?
A baseball (m = 137 g) approaches a bat horizontally at the speed of 40.6m/s (91 mi/h) and is hit straight back at a speed of 45.1m/s (101 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the..
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