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A constant magnetic field of 0.64 T is applied across the electron beam in a cathode ray tube. The deflection of the beam on the face of the tube is 2.4cm when the accelerating voltage is 640V. What accelerating voltage would result in a deflection of 4.4cm?
A meterstick moving at 0.931c relative to Earth approaches an observer at rest with respect to Earth. What is the meterstick's length, according to the observer
A hand grenade of total mass 5 kilogram explodes into two pieces. One, of 4 kilogram flies off at 10 meter per second. Determine how fast does the other one move
A projectile that is fired from a gun has an initialvelocity of 90.0 km/h at an angle of 60.0o above thehorizontal. When the projectile is at the top of its trajectory, aninternal explosion causes it to separate into two fragments ofequal mass.
A column of soldiers, marching at 141 paces per minute, keep in step with the beat of a drummer at the head of the column, What is the approximate length of the column
A truck travels 2.75 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 6.00 min. What is the magnitude of the average velocity for this trip
Big Ben, the Parliament Building tower clock in London, has hour and minute hands with lengths of 2.70 m and 4.50 m and masses of 60.0 kg and 100 kg, respectively. Calculate the total angular momentum of these hands
The activity of a sample drops by a factor of 10 in 9.1 minutes. What is its half-life
A charge 5.02nC is placed at the origin of an x y-coordinate system, and a charge -2.00nC is placed on the positive x-axis at x = 4.00 cm. A third particle, of charge 5.97nC is now placed at the point x = 4.00 cm, y = 3.02cm. Discover the direction o..
The pulmonary artery, which connects the heart to the lungs, is 8.5 cm long and has a pressure difference over this length of 450 Pa. If the radius of the artery is reduced by 14% , by what factor is the blood flow rate reduced
White light shines on a 118nm thick sliver of fluorite (n=1.43). What wavelength is most strongly reflected
An LRC circuit has L = 4.41 mH and R = 2.12 kΩ. Find what will be the maximum current at resonance
An insulated thermos contains 138.0 cm3 of hot coffee at a temperature of 80.0 °C. You put in 11.0 g of ice cube at its melting point to cool the coffee. What is the temperature of the coffee once the ice has melted and the system is in thermal eq..
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