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A ball m=10 g is launched straight upward by a spring. The spring was initially compressed 25 centimeter by a force of 1.25 Newton. Find how high does the ball rise assuming friction is negligible? Find how high does the ball rise assuming the force of air friction averages 0.020 Newton during the interval from release to the top.
What focal length does the lens need. Find out the electrostatic force exerted on one sphere by the other.
Water is pumped steadily out of a flooded basement at a speedof 5.0 m/s through a uniform hose of radius 1.0 cm. What is the power of the pump
What is the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 17km and 49km from the source, what is the ratio of the amplitudes
how far from a 53.4 mm focal-length lens must an object be placed if its image is to be magnified 2.20 and be real?
A block of wood weighs 50.0 Newton in air. A sinker is attached to the block, and the weight of the wood-sinker combination is 220 Newton when the sinker alone is immersed in water. Compute the density of the block
two containers are at the same temperature. the first contains gas with pressure p1 molecular mass m1 and rms speed
A converging lens with a focal length of 20 cm and a diverging lens with a focal length of -70 cm are 110 cm apart. Calculate the distance between image and diverging lens
A 4.0 uF capacitor is initially uncharged and connnected in series with a 4.0 kQ reisitor. How long will it take for the capacitor to reach one fourth of this maximum charge
A bat flying at 5.25 m/s is chasing an insect in the same direction. The bat emits a 40.10-kHz chirp and receives back an echo at 40.50 kHz. What is the speed of the insect
If the Young's Modulus of the material is made from is 310 MN/m^2 what is the effective spring constant of the cord for stresses and strains where Young's Modulus is valid
An AC generator produces a sinusoidal voltage at 60 Hz with amaximum of 120 V. What is the average voltage? What is the rms voltage?
Science is about collecting data. What kind of data do you think you will collect in Physics 320 class? What kind of data will you collect about heat
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