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When beryllium-7 ions (m = 11.65 x 10-27 kg) pass through a mass spectrometer, a uniform magnetic field of 0.352 T curves their path directly to the center of the detector, as in the drawing. For the same accelerating potential difference, what magnetic field should be used to send beryllium-10 ions (m = 16.63 x 10-27 kg) to the same location in the detector? Both types of ions are singly ionized (q = +e).
A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle ? = 34°. (The block is not attached to the spring). What is the change in the gravitational potential energy of the block-Earth system
a football is kicked at ground level with a speed of 16.6ms at an angle of 42.9 to the horizontal. how much later does
My home is exactly 5.9 km from Spartan Stadium, where the football team has just scored another touchdown. What is the temperature(in degree Celsius) of the air
A 38.0 kg box initially at rest is pushed 4.00 m along a rough, horizontal floor with a constant applied horizontal force of 125 N. determine the final speed of the box
If the spring of a jack-in the-box is compressed, a distance of 8.00cm from its relaxed lenght and the released, what is the speed of the toy head is 50.0g the spring constant is 80.0N/m, and the toy head moves only in the vertical direction.
a pulley of 5.0cm radius, on a motor, is turning at 30 rev/s and slows down uniformly to 20 rev/s in 2 s. calculate the angular acceleration of the motor
A photon has an energy E and wavelength (lamda) before scattering from a free-rest electron. FInd the initial wavelength and the initial energy of photon
A projectile is launched from a high plateau so that it just clears a cliff's edge and falls to the valley floor below. How far from the cliff's edge was the projectile launched
A 13 g projectile traveling 161 m/spenetrates into a 0.25-kg wad of putty and emerges cleanly at37 m/s. how fast does it move after the projectile emerges
Suppose that a parallel-plate capacitor has circular plates with radius R = 40.0 mm and a plate separation of 4.0 mm. Suppose also that a sinusoidal potential difference with a maximum value of 340 V and a frequency of 120 Hz is applied across the..
The launching mechanism of a toy gun consists of a spring ofunknown spring constant. determine the speed of the projectile as it moves through the equilibrium position ofthe spring
A 3.1 kg dog stands on a 15.00 kg flatboat at distance D = 6.1 m from the shore. It walks 2.00 m along the boat toward shore and then stops. Assume no friction between the boat and the water, find how far the dog is then from the shore.
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