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A mass spectrometer is a device which consists of a velocity selector, with crossed electric and magnetic fields E = 950 V/m, B = 0.93 T. Then the electric field ends and the charged particle continues in a circular radius. Calculate the radius for a singly ionized charged particle with a mass m = 2.18 × 10-26 kg.
You are designing the section of a roller coaster ride. Previous sections of the ride give the train a speed of 14.9 m/s at the top of the incline, find the minimum radius you can use for the vertical loop
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun
An 250 kg air hockey puck is tied to a peg. The puck is given a push and moves around the peg at a constant speed in a circle. What is the acceleration of the puck
A 50g ball travelling at 25m/s is bounced off a brick wall and rebounds at 22m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.5ms, what is the average acceleration of the ball throughout this time interval..
Two balls are approaching each other head-on. Their velocities are +14.6 and -8.88 m/s. Determine the velocity of the center of mass of the two balls
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. What is the dipole moment of the rod?
A 900 N c rate s lides 12 m down a ramp that makes an angle of 3So with the horizontal. how much thermal energy is created
A man is pushing a heavy box across the floor. The box weighs 95 lbs. The man is pushing forward on it with a force of 56 lbs. What is the resultant horizontal force on the box
Newton's law of gravity states that the force on an object by the Earth follows an inverse square law: 0 2 E g m m F G x ? ? where G is a constant (the universal gravitational constant), How much work is done moving the object from x ? ? to x ? R
You're doing a double-slit experiment with two different colors. What's the wavelength of that color
A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. Find the difference in fluid level between the two sides of the tube
A spy satellite was launched into a circular orbit with a height of 318 km above the surface of the Earth. Determine its orbital speed and period
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