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Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), each with a mass of 3.27e-25 kg. The ions are accelerated from rest through a potential difference of 1.10 kV. Then, a 0.410 T magnetic field causes the ions to follow a circular path. Determine the radius of the path.
A 3.90-kg object is attached to a spring and placed on frictionless, horizontal surface. Find the total energy of the oscillating system
The planet Uranus has a radius of 25560km and a surface acceleration due to gravity of 11.1m/s^2 at its poles. Calculate the mass of Uranus from the above data
When the distance is 0.20m the tension is 628 N, horizontal pivot force is 581 N and the vertical pivot force is 839N. What is the mass of the bell
A solenoid of radius 3.5 cm has 800 turns and a length of 25 cm. Find the rate at which current must change through it to produce an emf of 90 mV
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, What length will you choose for your wire
Two crates, of mass 75.0 kg and 109 kg, are in contact and at rest on a horizontal surface. A 732 N force is exerted on the 75.0 kg crate. What is the force the each crate exerts on the other.
A 29 kg board 3.2 m long is supported in a horizontal position at the two ends. A 77 kg worker stands 1.4 m from one end. What forces are exerted by the board on the two support points
A solenoid has a radius of 1.87 cm and 1080 turns per meter. Over a certain time interval the current varies with time according to the expression I = 2.91e0.2t, Calculate the electric field 4.54 cm from the axis of the solenoid
a projectile is launched from a 50 m high cliff, with an initial velocity of 65.0 m/s, at an angle 67.4 degrees above horizontal. how far away from the cliff does it land
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. What is the amplitude A of each wave
question1a 75 kg human sprinter is able to accelerate from rest to 12 ms in 3.3 s. all through the same interval a 33
Three charges, each of magnitude 9 nC, are at separate corners of a square of edge length 4 cm. The two charges at opposite corners are positive, and the other charge is negative.
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