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A singly charged ion of 7Li (an isotope of lithium) has a mass of 1.16x10-26 kg . It is accelerated through a potential difference of 230 V and then enters a magnetic field with magnitude 0.703 Tperpendicular to the path of the ion. What is the radius of the ion's path in the magnetic field? Use 1.60x10-19 C for the magnitude of the charge on an electron.
A heavy crate is attached to the wall by a light rope, as shown in the figure. Another rope hangs off the opposite edge of the box. which rope will break
A pair of slits, separated by0.150mm, is illuminated by light having a wavelength of?=586nm. What is the path difference for the two slits at the locationy
A cylindrical capacitor consists of a solid inner conducting core with radius 0.200cm , surrounded by an outer hollow conducting tube. Calculate the outer radius of the hollow tube
A person with a mass of 52 kg runs with a speed of 6.8 m/s jumps onto the outer rim of a merry-go-round. The merry-go-round has a radius of 1.5 m and can be modelled as a large disk. The merry-go-round was initially at rest before the person jumped o..
A piece of steel expands 10 centimeter when it is heated from 20 to 40oC. Determine how much would it expand if it was heated from 20 to 60oC
A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively. What is the speed of the projectile when it is at the highest point in its trajectory_________. What is the accelerati..
Would you expect to get a more accurate value for m using Equation m = h'/h in the situation where the lens is closest to the object or in the situation where the lens is furthest from the object?
A skier is slinding downhill at 11 m/s when she reaches an icy path on which her skies more freely with negligible friction. find the speed of the skier at the bottom of the icy path
A 15g rifle bullet traveling 220 m/s buries itself in a 3.5 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's displacement.
A mass m = 7.5 kg hangs on the end of a mass less rope L = 1.81 m long. The pendulum is held horizontal and released from rest. How fast is the mass moving at the bottom of its path
A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 cm and released. If the ball makes 55 oscillations in 20 s, what are its mass and maximum speed
a charged styrofoam ball of mass 100g hangs motionless from a string that makes and angle 10 degrees with respect to
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