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A simple pendulum of length 1.40 m witha bob of mass 1.10 kg has linearspeed v0 = 3.00 m/s whenthe cord makes an angle q0 = 45.0o with the vertical as shown.a) What is the speed of the bob which it is at its lowest position?b) What is smallest value that v0 could have ifthe cord is to achieve a horizontal position during themotion?c) What is the smallest value that v0 can have sothat the pendulum will not oscillate but rather will continue tomove around in a vertical circle?
the power per unit area reaching earth from the sun at the top of the atmosphere at the equator is 1.36 x 103 wm2 which
A monochromatic light source emits a wavelength of 490 nm in air. When passing through a liquid, What is the liquid's index of refraction
you drop a 299-g silver figure of a polar bear into the 215-g aluminum cup of a well-insulated calorimeter containing
Consider a weathered rock or soil particle lying on a slope. How would the gravitational force pulling the particle downward along the land surface vary with the inclination of the slope.
Two carts with masses of 4.5 kg and 3.9 kg move toward each other on a frictionless track with speeds of 5.6 m/s and 4.3 m/s, respectively. The carts stick together after colliding head-on.
a bullet of mass 2.90 x 10-3 kg moving at 1210 ms impacts a tree stump and penetrates 8.00 cm into the wood before
1. briefly and clearly explain the concept of inertia held by galilio kepler and descartes. make sure that your
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. Find the index of refraciton for violet light in plastic
A point charge q1 = -2.3 x 10^ -6 C is located at the origin of a co-ordinate system. Another point charge q2 = 6.3 x 10^-6 C is located along the x-axis at a distance x2 = 6.1 cm from q1. 1) What is F12,x, the value of the x-component of the forc..
A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in publishing business is a point, defined as 1/72 inch. What is an area..
A graph depicts force versus position. What represents the work done by the force over the given displacement?
A solid, conducting sphere of radius a carries an excess charge of +6 microC. Determine the excess charge on the inner surface of the outer sphere
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