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Determine what is the electric potential (in volts) 11 centimeter from a 2.15 micro coulomb point charge?
Assuming that the distance between the Earth and the Sun is approximately 1.5E11 m, the mass of the sun is 1E31 g, how long do we have before the sun runs out of fuel
assume that a lightning bolt can be represented by a long straight line of current. if 15.0 c of charge passes by in a
The function x = (3.8 m) cos[(3? rad/s)t + ?/4 rad] gives the simple harmonic motion of a body. At t = 3.7 s, what are the (a) displacement, (b) velocity, (c) acceleration, and (d) phase of the motion? Also, what are the (e) frequency (in Hz) and (f)..
The polonium isotope 210Po, an alpha emitter, has a half-life of 138.38 days. You happen to have a 1.4 g cube of 210Po, How long will it take to boil the water
A 1400 kilogram car coasts in neutral down a 2.0 degree hill. The car attains a terminal speed of 20.0 m/s. Find how much power must the engine deliver to drive the car on a level road at 20.0 m/s
a young hockey player stands at rest on the ice holding a 1.3-kg helmet. the player tosses the helmet with a speed of
The magnetic field was generated by a Helmholtz coil pair like the one described in the manual. You measure the coils and determine that the average diameter is 151 millimeter. Find the magnitude of the current through the coils
A double-slit experiment is performed underwater with a submergedHeNe laser. Suppose that the separation of the slits is0.0142 cm, Find the distance along the screen
What minimumdistance are they from each other? The angle may be too large to use small angle approximation. suppose in units of m.
for your science fair project you need to design a diffraction grating that will disperse the visible spectrum 400-700
When driving west toward the Rocky Mountains, you see a peak 2.8 degrees above the horizon. Your GPS gives your current elevation as 1500 m , and according to the map, you're 22.5 km (horizontally) from the peak. Find the peaks elevation.
The only two forces acting on a body have magnitudes of 20 Nand 36 N and directions that differ by40°. What is the mass of the body
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