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An electron in a cathode ray tube (CRT) accelerates from 2.00 " 104 m/s to 6.00 " 106 m/s over 1.50 cm.
(a) How long does the electron take to travel this 1.50 cm?
(b) What is its acceleration?
An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 1.90s . It then turns left 30.0? And walks in a straight line another 10.0 cm in 1.70s. Finally, it turns another 70.0 to the left and walks another 10.0 cm in ..
A spherical shell of radius 2.84 centimeter and a sphere of radius 7.72 centimeter are rolling without slipping along the same floor. determine the ratio of the spherical shells angular speed to the spheres angular speed be
A projectile is fired from the surface of the Earth with a speed 200 meters per second at an angle of 30 degrees above the horizontal. what is the maximum height reached by the projectile
One end of a nylon rope is tied to a stationary support at the top of a vertical mine shaft of depth 83.0 m. What is the wave speed at the top of the rope
A tennis player swings her 1000 g racket with a speed of 12 m/s. She hits a 60 g tennis ball that was approaching her at a speed of 24 m/s. How fast is her racket moving immediately after the impact
q1. speedboat a negotiates a curve whose radius is 118 m. speedboat b negotiates a curve whose radius is 270 m. each
A diathermy machine, used in physiotherapy, generates electromagnetic radiation that gives the effect of "deep heat" when absorbed in tissue. What is the wavelength of this radiation
Two thin lenses with a focal length of magnitude 12.0cm , the first diverging and the second converging, are located 9.00cm apart. What is the height of the final image
Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of th..
A sphere, a solid cylinder and a thin-walled hollow cylinder all have the same mass and radius. Which one reaches the bottom of the incline first
Electron interference patterns are made with shooting electrons with 50 keV of kinetic energy during two slits spaced 1.0 micro m apart. The fringes were recorded on a detector 1.0m behind the slits.
A cylinder contains 2.15 mol of helium gas at 22.5°C. Assume that the helium behaves like an ideal gas. Find the total internal energy of the system
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