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An infinitely long cylinder of radius 6 meters has a uniform charge density of 4 nC/m2. By constructing suitable Gaussian surfaces, find the electric field E both inside and outside the cylinder.
A tennis ball is served horizontally at a height of 2.40 m, 12.0 mfrom a net that is 0.900 m high. (a) If it is to clear the net byat least 0.200m, what is its minimum initial velocity? (neglect airresistance) (b) if it clears the net by 0.200m, ..
A box of mass m = 5 kg sits at the top of a ramp of mass M = 20 kg and height h = 2.0 m with incline angle ? = 30°. What are the final velocities (magnitude and direction) of the ramp and the box
Given the mass of the rubber in the balloon is 1.70 g, what is the net vertical force on the balloon if it is let go? You can neglect the volume of the rubber
A 1040 kg car carrying four 80 kg people travels over a rough "washboard" dirt road with corrugations 2.0 m apart that causes the car to bounce on its spring suspension. The car bounces with maximum amplitude as its speed is 21 km/h. The car now stop..
A ball of mass 0.25 kg is attached to a string 0.750 m long. The ball is swung in a pendulum-type motion such that it has a speed of 6.40 m/s, What is the corresponding tension in the string
a solenoid is designed to produce a magnetic field of 2.50times10?2 at its center. it has a radius of 1.70 and a length
A compound microscope has an objective lens of focal length 15.0 mm and an eyepiece that gives an angular magnification of 5.00 for a final image at infinity, What is the total magnification of the microscope
to examine a particular blood sample in biology lab a student uses a compound microscope set to have a magnification of
A rocket ship heading to the moon passes the Earth with a velocity measured at 0.8c. Find how long does the trip to the moon take according to the observer on the Earth
50 Joule of energy is used to heat up shrimp by 20oC. Determine the heat capacity of the shrimp
what is the bragg scattering angle for electrons scattered from a nickel crystal if their energy is each of the
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and fifth second of its flight
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