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In a water tank experiment, water waves are generated withtheir crests 2.5 cm apart and parallel. They pass though twoopenings 5.0 cm apart in a long wooden board.
(a) If the end of thetank is 2.0 m beyond the boards, where would you stand, relative tothe straight- through direction, so that you receive little or nowave action?
(b) How many such places are there on each side of the straight through position?
Consider a spring handing vertically from a ceiling, attached to a mass m of 2 kg. The spring constant, k, is 30 N/m. How far does the spring travel downwards before it reverses direction
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A seagull flies at a velocity of 10.00 m/s straight into the wind, If it takes the bird 18.0 min to travel 6.00 km relative to the earth
Find the force acting on the roof of a 7m x 7m airtight building due to the difference in air pressure created during a hurricane with 78 m/s winds. A large open tank contains liquid with a density of 1200 kg/m3 at a depth of 10 m. A 5 x 10-3 m2 p..
A hollow spherical shell with mass 2.25 rolls without slipping down a 37.5 slope. Find the acceleration of the shell. Find the friction force on it
A 3.40 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, Find the maximum compression of the spring
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A candle with a flame 2.2 cm tall is placed 5.4 cm from the front of a concave mirror. How tall is the image of the flame
A 130 g copper bowl contains 240 g of water, both at 20.0°C. How much energy (in calories) is transferred to the water as heat
A satellite of mass 240 kg is in a circular orbit of radius 8.68 x106 m around a planet. If the period is 9030 s, what is the mechanical energy of the satellite
A 173-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. How far is the pivot from the sculpture's center of mass
You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10,000 V. What is the breakdown potential of this capacitor
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