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Beams of high-speed protons can be produced in "guns" using electric fields to accelerate the protons. (a) What acceleration would a proton experience if the gun's electric field were 3.00 104 N/C? m/s2 (b) What speed would the proton attain if the field accelerated the proton through a distance of 2.00 cm? m/s
An element in its solid phase has mass density 2100kg/m3 and number density 4.39×1028atoms/m3. What is the element's atomic mass number
A sphere of copper is subjected to 146.9 MPa of pressure. The copper has a bulk modulus of 130 GPa. By what fraction does the volume of the sphere change
A 61 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11m , and falls a total of 32 m. Calculate the maximum acceleration she experiences
Veronique is nearsighted; she cannot see clearly anything more than 6.39 m away without her contacts. What is the greatest distance an object can be placed so that she can see it clearly with these glasses
A particle moves along the x axis. It is initially at the position 0.210 m, moving with velocity 0.090 m/s and acceleration -0.340 m/s2. Find its velocity at the end of this time interval
A space station, in the form of a wheel 133 m in diameter, rotates to provide an "artificial gravity" of 2.20 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of the wheel's rotation in revolutions per minute that wi..
A child's toy consists of a piece of plastic attached to a spring in the figure below. The spring is compressed against the floor a distance of 2.00 cm, estimate the force constant of the spring
A certain commercial mass spectrometer is used to separate uranium ions of mass 3.92e-25 kg and charge 3.20e-19 C from related species. calculate the thermal energy produced in the cup
A 1.10x10 kg car starts from rest and accelerates for 5.00s. The magnitude of the acceleration is a = 4.60 m/s . Determine the average power generated by the net force
An object of mass 2.00 kg is oscillating freely on a vertical spring with a period of 0.540 s, Find the spring constant k and Find the unknown mass
A mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.41 cm. If the spring constant is 264 N/m, Determine the maximum speed of the mass
A 12 kg- hammer strikes a nail at a velocity of 8.5m/s and comes to rest in a time interval of 7.7 m/s. What is the average force acting on the nail
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