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Q1. A solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 T at its center when it carries a current of 4.00 A. The solenoid will be made of wire that is 0.500 mm in diameter and have a radius that is 1.00 cm.The resistivity of the copper wire is 1.70 x 10-8 ohm-m
a) how many turns of wire (N) would be essential to make the solenoid? b) How long will the solenoid be?
Q2. Howard the soda jerk at Beas diner slides a 0.70 kg root beer from the end of the counter to a thirsty customer. A force of friction 1.20 N brings drink to a stop right in front of the customer. What is the coefficient of kinetic (sliding) friction between glass and counter?
A kite is hovering over the ground at the end of a straight 44-m line. The tension in the line has a magnitude of 15 N. Find the height of the kite
A hydroelectric power plant is situated at the base of a large dam. Water flows into the intake near the bottom of the reservoir at a depth of 100.2 m, Estimate the maximum possible peak current that a single generator can supply
A student stands on a platform that is rotating without friction at 1.2 rev/s. His arms are outstretched and he holds a brick in each hand. what is the new angular speed of the system
A certain siren radiates sound uniformly in all directions. At a distance of 17m from the siren, How many watts of power does the siren put out
question1a 0.225kg sample of tin originally at 97.5 degrees c is dropped into 0.115kg of water firstly at 10.0 degrees
Light from an argon laser strikes a diffraction grating that has 5395 grooves per centimeter. Determine the wavelength of the laser light
Sally travels by car from one city to another. She drives for 24 min at 63.0 km/h, 52.0 min at 42.0 km/h, and 18.0 min at 81.0 km/h, and she spends 5 min eating lunch and buying gas.
A pencil is held perpendicular to the optical axis of a concave spherical mirror. The pencil is 91 cm from the center of the mirror, What is the magnification of the pencil's image
A wave on a string has a speed of 151 m/s. If the diameter of the string is increased by a factor of four and the tension is held fixed
Find out the sum of these four vector forces: 12N to the right at 35.0° above the horizontal, 31.0 N to the left at 51.5° above the horizontal, 7.45N to the left at 35.0° below the horizontal, and 24N to the right at 48.0° below the horizontal.
Two optically flat glass plates, L = 16 cm long, are in contact at one end and separated by d = 0.020 mm at the other end. What is the number m of bright fringes which are visible
question1an inkjet printer letters are built up by squirting drops of ink at a paper from a rapidly moving nozzle. the
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