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A block of wood of mass 10.8 kilogram and density 4.42 x 102 kg/m3, floats on water.
(a) Find the minimum amount of aluminum (density 2.70 x 103 kg/m3) that can be located on top of the wood block and cause the block of wood and the aluminum to sink?
(b) If instead it was a block of ice of mass 10.8 kilogram and density 8.90 x 102 kg/m3. Find the minimum amount of aluminum that can be located on top of the ice block and cause the block of ice and the aluminum to sink?
What are the disadvantages of click-and-mortar
A converging lens with a focal length of 11.2 centimeter forms a virtual image 8.10 millimeter tall, 17.8 centimeter to the right of the lens. Estimate is the image upright of inverted
Integrated Marketing communications is an important element of marketing strategy.
A monopoly is considering selling several units of a homogeneous product as a single package. A typical customer’s demand for the product is Qd = 120 - 0.5P, and the marginal cost of production is $150. Decide the optimal number of units to put in a ..
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Water flowing through a hose at 3.7 meter per second fills a 520 L child's wading pool in 8.3 min. Evaluate what is the diameter of the hose
Zeon, a large company has a regular taxable income of $350,000. The company is considering adding some automatic equipment to its production facilities. An investment of $120,000 will produce an initial annual benefit of $89,000 however the benefits ..
A 3.5 cm x 1.6 cm x 7.1 cm block floats in water with its long axis vertical. The length of the block above water is 1.7 centimeter. Determine what is the block mass density
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A 1.1 meter diameter vat of liquid is 2 meter deep. The pressure at the bottom of the vat is 1.20 atm. Evaluate the mass of the liquid in the vat
A 1.6 kg object oscillates with simple harmonic motion on a spring of force constant 400.0 N/m. What is the total energy of the object and the spring
A 2.5 kg basketball is dropped from the top of a building. Its acceleration is found to be 9.4 m/s^2 as it drops to the ground. What is the force of air friction on the balls as it falls? A 30 kg box sits on the floor. It needs 275 n of force to get ..
An object is dropped from rest from a height 3.2 × 10^6 mabove the surface of the earth. If there is no air resistance, whatis its speed when it strikes the earth? The acceleration of gravityis 9.81 m/s2 and the radius of the Earth is 6.37 × 10^6m.
A certain lightbulb is rated at 60.0 W when operating at an rmsvoltage of 1.20 x 102 V. (a) What is the peak voltage applied across the bulb? (b) What is the resistance of the bulb?(c) Does a 1.00 x 102 W bulb have greater or lessresistance than a 60..
A massless spring hangs from the ceiling with a small object attached to its lower end. How far below yi is the new equilibrium (rest) position with both objects attached to the spring
A satellite has a geo-synchronos orbit around the earth. How far is it above the earth's surface
george is going to bungee jump from a bridge that is 55.0 m over the river below. the bungee cord has an unstretched
a vertical spring ignore its mass whose spring stiffness constant is 820 nm is attached to a table and is compressed
suppose you wish to make a solenoid whose self-inductance is 1.0 mh. the inductor is to have a cross-sectional area of
At a carnival, you can try to ring a bell by striking a target with a 7.99-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
a horizontal wire of length 0.58 m carrying a current of 2.5 a is placed in a uniform external magnetic field. when the
Briefly describe how the resulting interference pattern will differ for the various types of particles passing through: protons, electrons, neutrinos (mass close to zero) and photons. Assume that the distribution of particle energies is the same f..
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