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The positron is a particle with the same mass as an electron but charge +e. A positron in a bubble chamber moves perpendicular to a 4.5Tmagnetic field
If the positron's kinetic energy is 28 eV , what's the radius of its trajectory in the bubble chamber?R = ?
A proton takes 99.0 usto complete one orbit around a 14.5 m diameter cyclotron.
What's the cyclotron's magnetic field?B = ?
The ball rebounds straight upward to a height of 0.700 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
A truck weighs four times as much as a car. if the truck coasts into the car at 12km/h and they stick together, what is their fimal velocity.
However, the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A.
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
A flowerpot falls off a windowsill and falls past the window below. You may ignore air resistance. It takes time 0.420s to pass this window, which is of height 1.92 m. How far is the top of the window below the windowsill from which the flowerpot ..
An athlete rotates a 1.00-kg discus along a circular path of radius 1.04 m, Determine the magnitude of the maximum radial acceleration of the discus
A ball is thrown horizontally from a height of 16.2 m and hits the ground with a speed that is three times its initial speed. What was the initial speed?
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle.
The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level?
What is the tangential velocity of a satellite in a circular orbit 300km above the surface of the Earth, How long does the satellite take to complete one orbit
You are designing a precision mercury thermometer based on the thermal expansion of mercury, Determine the initial volume of mercury that allows this change, Find the radius of a spherical bulb that contains this volume of mercury
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