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The wire carries a current 10 A in a direction which makes an angle 30 deg. with the direction of a magnetic field of strength 0.3 T. Determine the magnetic force on a 5m length of the wire.
When first seen to east if the observer, angle of elevation to airplane is 60.3 degrees. After 71 seconds, angle of elevation is 46.6 degrees. Determine speed of an airplane.
The wires are 0.1 m apart and the sum of the magnetic force and gravitational force on the upper wire is zero. Determine the magnitude of the current in the wires. (Avoid the magnetic field of Earth
A merry-go-round rotates from rest with the angular acceleration of 1.60 rad/s2. Determine how long it takes to rotate through the first 2.5 rotations.
The two spherical ball are positioned so their centers are 3.58 m apart. The force among them is 2.73 x 10^-8 N. When the mass of the smaller ball is around 57.2 kg, determine the mass of the other
There is the warning buoy situated 6 miles directly north of port. Find bearing of buoy as seen from ship after 10.5 hours?
Yellow-green light of wavelength having 550 nm in air is incident on the surface of the flat piece of flint glass at an angle of 60 degrees. i) Determine the angle of refraction of the light? (Deduc
The energy of n = 2 Bohr orbit is -30.6 eV for an unidentified ionized atom in which just one electron moves about the nucleus. Determine the radius of the n = 5 orbit for the species?
Yacht averages the speed of 20 knots over 428 nautical mile trip. How long it takes yacht to make trip? How far east and how far south is yacht after 12 hours?
gasoline vapor in the automobile cylinder accelerates the piston at 2024 cm/s^2. The piston consists of a mass of 500.0 g and a diameter of 5.50 cm. Compute the pressure in Pascal applied on the pis
The exit air leaves at95o F and 90oF wet bulb. Explain how much water can be cooled in the pounds per hour if the water to be cooled is not recycled, enters the tower at 120o F, and leaves
A square current loop of 5.5 cm on each side carries a 470 mA current. The loop is in a 0.70 T uniform magnetic field. The axis of loop, perpendicular to the plane of the loop, is 30 degrees away f
Determine the numbers of moles of HCO3- did you start with if you collect 1.24x10-3moles ofCO2 when bicarbonate is reacted with acid it releasesCO2.
Determine the comet's speed at its perihelion (closest approach to the Sun) where its distance from the Sun is around 8.1 x 1010 m?
Determine the numbers of moles of gas are present when you collect the 35.83mLof the gas over water at 25.3 digress Celsius and 0.97atm
What is the partial pressure of the gas that was collected? At 25.3 degress Celsius a gas sample was collected over the water. The total pressure is determined to be 0.97 atm.
Determine the magnitude of the average torque acting on the fly-wheel about its central axis throughout this period?
Determine the wavelengths of the visible lines in the line spectrum of hydrogen using the Ryder equation (nf = 2; ni = 3, 4, 5, and 6).
Determine what wavelength of light would have to fall on sodium (with a work function of 2.46 eV) when it is to emit electrons having a maximum speed of 1.0 X 106 m/s?
Explain by what factor will the KE change if the speed of themotorcycle is decreased to 33 mph? When the rider breaks to a stop, where does the KE of the motorcycle go?
Give a logical explanation of the action of fresh apple on the hydrogen peroxide. Write down the equation for the decomposition of hydrogen peroxide.
A highway curve having radius 850 is to be banked so that a car traveling 56.0 will not skid sideways even in the absence of friction. What angle must the curve is banked?
How many different 5-tone melodies can you create using 5 different tones? How many different 2-tone accords can be played if the choice of tones?
Demonstrate the polymerization reaction. Poly (ethylene terephthalate), which is the commonly used polyester, Dacron, can be formed by an acid-catalyzed etherification between ethylene glycol (HOCH
Determine how thick must a sheet of mica (n = 1.5) be if it is to be as thin as possible and still give mount to destructive interference for reflection of light in the blue part of the spectrum (em