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An electric vehicle starts from rest and accelerates at a rate of 2.8 m/s2 in a straight line until it reaches a speed of 18 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops.
(a) How much time elapses from start to stop?
s
(b) How far does the vehicle travel from start to stop?
m
Coherent light with wavelength 595 nm passes by two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of th..
The planet saturn has a mass of 5.69x10^26kg and a volume of 8.01x10^23m^3. Would Saturn sink or float in water Explain
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Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 5900 V/m, Calculate the radius r of the path for a singly charged ion
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
explain the electric flux through the surface of the cube. Calculate the volume charge density of the atmosphere, assuming it to be uniform between 270 and 420 m.
A diver 40 m deep in 10 degree Celcius fresh water exhales a 0.50-cm-diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celcius? Assume that the air bubble is always in..
A proton is initially at rest at a point where the potential is 515V. Sometime later the proton is at a point where the potential is 190V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy.
A student has a stretched string on density u and length L under a tesnion F. A standing wave of frequency f = 4/4 squareroot, Calculate the length of the string
q1. if the proton is released from rest in a uniform electric field does equivalent electric potential at the protons
Suppose a tank contains 774 m3 of neon (Ne) at an absolute pressure of 1.01Ã-105 Pa. What is the increase in the internal energy of the neon
Ramon has a coherent light source with wavelength 586 nm. What is the minimum width of the screen if Ramon wants to display three interference maxima
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