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A glass full of water has a bottom of area 20 cm2, top of area 20 cm , height 20 cm and volume half a litre.
(a) Find the force exerted by the water on the bottom.
(b) Considering the equilibrium of the water, find the resultant force exerted by the sides of the glass on the water. Atmospheric pressure = 1.0 x 108N/m. Density of water = 1000 kg/m3 and g = 10 m/s2. Take all numbers to be exact.
The barricade at the end of subway line has a large spring designed to compress 2.00 m when stopping a 1.00 x 10^5 kg train moving at 0,500 m/s. What speed would the train be going if it only compressed the spring 0.500 m?
A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.19mm a)Assuming an initial temperature of 22 degrees celsius, find the final temperature of the ball.
A softball of mass 0.220 kg that is moving with a speed of6.0 m/s (in the positive direction)collides head-on and elastically with another ball initially atrest. Calculate the velocity of the target ball after the collision
A simple 2.32 m long pendulum oscillates. The acceleration of gravity is 9.8 m/s2. How many complete oscillations does this pendulum make in 5.58 min
A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. Determine the magnitude of the spring's displacement at an instant when the acceleration of the box is zero
A spring is first stretched 2.0 cm from its unstressed length. Itis then stretched an additional 2.1 cm. How does the work required forthe second stretch compare to the work required for the firststretch (give a ratio of second to first)? (Be sure yo..
Illustrate the basic environments (legal, social, economic) in which a business operates. You are encouraged to use the library for additional sources to support your description. Remember to use APA format for in-text citations and aligned refer..
White light spans the wavelength range among about 400 nm and 700nm, If white light passes through two slits 0.31 mm apart and falls on a screen 1.3 m from the slits, discover the distance between the first-order violet and first-order red fringes.
imagine that construction crews have set up a pair of blinking lights 60m apart to make a construction zone along a
identical 50uc charges are fixed on an x-axis at x -3.0 m. a particle of charge q-15uc is then released from rest at a
A proton with kinetic energy of 2.30 × 106 eV is fired perpendicular to the face of a large plate that has a uniform charge density, From what distance should the proton be fired so that it stops right at the surface of the plate
You need to design an industrial turntable that is 51.5 centimeter in diameter and has a kinetic energy of 0.240 Joule when turning at 42.0 rpm. Find what must be the moment of inertia of the turntable about the rotation axis
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