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A block of mass M=0.986kg is floating stationary in a beaker of water. A string connected to the bottom of the beaker holds the block in place. The tension in the string is 5.80 N. The bottom of the block is floating a distance h=1.69cm above the bottom of the beaker.
1.) What is the magnitude and direction of the buoyant force acting on the block?
2.) What is the density of the block?
A beam of light in air strikes a piece of glas (n = 1.59), Find the angle of incidence if the angle of reflection is twice the angle of refractio
In a head-on collison with an atom, a fast-moving electron suffers a deceleration of 4.0x10^23 m/s^2. What is the electric radiation field generated by the electron at a distance of 10 cm at right angles to the direction of motion
The entrepreneur who founded the company is convinced that sales will increase next year by 150% and that net operating income will increase by 400%, with no increase in average operating assets. Illustrate what would be the company's ROI?
A spherical bowling ball with mass m = 3.3 kg and radius R = 0.11 m is thrown down the lane with an initial speed of v = 8.9 m/s. What is the magnitude of the final velocity
Light with all wavelengths present shines on a 1000.0nm thick film of plastic. find all of the visible wavelengths that are seen in the reflected light
The current in a coil changes from 3.10 A to 1.90 A in the same direction in 0.530 s. what is the inductance of the coil
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits other kid 2.4 away squares in the back, at a point 0.85 above the ground. What was the initial speed of the water.
Two blocks are travelling towards eachother. The first has a speed of 10cm/sec and the second has a speed of 60 cm/sec. compute the velocity of the first block after collision
A uniform disc of mass m and radius R is rigidly mounted coaxially with a lightweight disc of radius r = R/2, to a horizontal shaft, on which combination is free to rotate frictionless. Light strings are wound in opposite directions about the cyli..
You have a string with a mass of 0.0131 kg. You stretch the string with a force of 9.31 N, giving it a length of 1.89 m, What is the wavelength of the standing wave you create in the string
A mass m is gently placed on the end of a freely hanging spring. The mass then falls 32.0 cm before it stops and begins to rise. What is the frequency of the oscillation
An ion source is producing 6Li ions, which have mass 9.99 x10-27 kg and charge +e. The ions are accelerated by a potential difference of 30 kV and pass horizontally into the region in which there is a uniform vertical magnetic field of magnitude B..
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