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An infinitely -long, uniformly charged line of charge with linear charge density n=0.1 C/m lies a distance d=0.068m from the center of a sphere with radius= 0.23m. what is the amount of charge inside the sphere? determine the total electric flux through the surface of the sphere from this charge.
A potato cannon is used to launch a potato on a frozen lake. The mass of the cannon, Mc, is 10.kg, and the mass of the potato, Mp, is 0.850kg. find the direction and the magnitude of the cannon's velocity
The intensity of sunlight striking Earth's upper atmosphere (called the solar constant) is 1.35 kW/m2. Find the radiation pressure at the surface of the sun
A doubly charged helium atom whose mass is 6.6 10 to 27 kg is accelerated by a voltage of 2200 V. What will be its radius of curvature if it moves in the plane perpendicular to a uniform 0.308 T field?
What minimum heat is needed to bring 138g water at 22°C to the boiling point and completely boil it away.
The best laboratory vacuum has a pressure of about 1 × 10-18 atm, or 1.010 × 10-13 Pa. How many gas molecules are there per cubic centimetre in such a vacuum at 293K.
The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n = 5 energy level from/to higher energy levels
Light rays in a material with index of refrection 1.29 can undergo total internal reflection when they strike the interface with another material at a critical angle of incidence
A squirrel has x- and y-coordinates ( 1.4m , 3.3m ) at time t1=0 and coordinates ( 4.8m , -0.40m ) at time t2 = 2.7s, Find the magnitude of the average velocity
A train started from rest and moved with constant acceleration. Atone time it was traveling at 54.0 m/s. Calculate (a) the acceleration, (b) the time requited to travel at 160 m, (c) thetime required to attain the speed of 33.0 m/s and (d) the di..
a 0.54 cm high object is placed 8.5 cm in front of a diverging lens whose focal length is -7.5 cm. what is the height
A sample of gold of volume 2.00*10^-5 m^3 is available to make a wire. If the length of the wire is to be 50.0 cm and all the gold is used, what will be resistance of the wire? (Gold has a resistivity of 2.44*10^-8Ωm and a temperature coefficient of ..
A large box with mass 45 kg is being pushed up a ramp at a 32 degree incline at a constant velocity by a man pushing parallel to the incline of 7.80 m. determine the force the man is pushing on the box
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