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To initiate a nuclear reaction, an experimental nuclear physicist wants to shoot a proton into a ^12 C nucleus. The proton must impact the nucleus with a kinetic energy of 2.93MeV . The nuclear radius is 2.75 fm, and you can assume the nucleus remains at rest
With what speed must the proton be fired toward the target?
in (m/s)
Through what potential difference must the proton be accelerated from rest to acquire this speed?
in U = _____V
In lab, your instructor generates a standing wave using a thin string of length L = 2.10m fixed at both ends. What is the maximum transverse speed vy of the bead
Two objects A and B start at the same place and move on a straight line in the same direction. what is the distance between the two objects after 3 seconds
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane is charged positively, Thus, the membrane is a kind of capacitor, what is its capacitance
A charged conducting sphere has a radius of 10.0 cm and is surrounded by an electric field. What is the potential at the center of sphere
You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -13.10 eV. What is the energy of the first photon emitted
A muon is an elementary particle that can be interpreted as the electron's big brother. Calculate its "Compton Wavelength"
The starter motor of a car engine draws an electric current of 42.0 A from the battery. The copper wire to the motor is 5.70 mm in diameter and 1.36 m long. How much electric charge passes through the starter motor
A planet of mass 6.00 1025 kg is in a circular orbit of radius 2.00 1011 m around a star. The star exerts a force on the planet of constant magnitude 5.03 1023 N. The speed of the planet is 4.09 104 m/s. All through this half "year", how much work is..
A 150 g trick baseball is thrown at 63 km/h. It explodes in flight into two pieces, How much energy do the pieces gain in the explosion
A 40.0 kg girl and a 8.4 kg sled are on on ice (frection coefficient 0.01) of a frozen lake, draw free body diagrama for the girl and the sled
the light bulb used in a projector has a resistance of 28 ohms when operating on 104 volts. What is the bulbs power consumption
A particle moves in simple harmonic motion with a frequency of 2.60 Hz and an amplitude of 6.00 cm. Through what total distance does the particle move during one cycle of its motion
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