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A singly charged 9Be ion is moving at the speed of 3.6 x 105 m/s in a mass spectromeer where the radius of the ion's path is 25 cm. What is the magnetic field in the spectrometer?
question1a jet plane w a constant speed along a straight line at an angle 30 degrees above horizontal. the plane is
A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 8.0 cm. If a timer is started when its displacement is a maximum (hence x=8 cm when t =0), what is the displacement of the mass when t = 3.7s?
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. Find the magnitude of the average force exerted on the water by the blade
Two moles of helium are initially at a temperature of 30.0C and occupy a volume of 3.20×102m3 . The helium first expands at constant pressure until its volume has doubled. Then it expands adiabatically until the temperature returns to its initial val..
Mercury has a mass MP = 3.18 x 1023 kg, an orbital period T = 88.0 days, and an orbital radius r = 5.79 x 1010 m. Assume the orbit of Mercury around the Sun is approximately circular.
If the initial temperature of the horseshoe is 600?C, and initial temperature of the water is 40?C, what is the equilibrium temperature of the system? Suppose no heat is exchanged with the surroundings.
A quarterback takes the ball from the line of scrimmage, runs backwards for 7.0 yards, then runs sideways parallel to the line of scrimmage for 19.0 yards. What is the magnitude of the football's resultant displacement
Two billiard balls of equal mass undergo a perfectly elastic head-on collision. what will be their speeds after the collision
Its walls are equally high and 11 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 24°. Illustrate what minimum speed must he have in order to clear the canyon?
what is the period, frequency, angular velocity, amplitude, total energy, maximum speed and if the total energy is doubled, how does this affect the amplitude.
A 10 N horizontal force F pushes a block weighing 9.0 N against a vertical wall. The coefficient of static friction between the wall and the block is 0.75, What is the frictional force on the block
A small hole of a 2.6 cm diameter has developed in the hull of a ship 4.0 m below the waterline. At what rate is water flowing into the ship
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