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A 3.1kg block of wood sits on a table. A 3.0g bullet, fired horizontally at a speed of 370m/s , goes completely through the block, emerging at a speed of 230 m/s . What is the speed of the block immediately after the bullet exits?
How would you compare the molar enthalpies of neutralization for a monoprotic acid, a diprotic acid, and a triprotic acid? Write the balanced chemical equations and include molar enthalpy values of each chemical reaction to support your conclusion..
What do you understand by an economic entity Give relevant examples - list FOUR important roles of an accountant within an economic entity.
A. Voluntary withdrawal is a concern in most organizations. What makes people unhappy enough to leave their job? How can managers see this coming and work to keep the productive employee?
Sales Discounts $3,600, Cost of Goods Sold $110,000, Rental Revenue $6,000, Freight-out $1,800, Rent Expense $8,800, and Salaries and Wages Expense $22,000. Prepare the closing entries for the above accounts.
You are piloting a spacecraft whose total mass is 1150 kg and attempting to dock with a space station in deep space. Assume for simplicity that the station is stationary, that your spacecraft is moving at 1.15 m/s toward the station, How long shou..
The Article ”In John They Trust” describes a cargo cult in Melanesia. How did such religious practices come about and what is it that people are expecting to be the outcome of their ritual practices? Do we do any thing similar?
If i add amnonia to 1 mL of copper (II) sulfate solution, and i am observing the mixture turn a darker blue what type of chemical reaction is taking place.
Bar Trading Account for the year ended and income and Expenditure Account for the year ended 31 December 2008 and a Balance Sheet as at that date - Required to prepare the Club's - Bar Trading Account for the year ended 31 December 2008.
What types of opportunities and threats would be present within each of the dimensions of the general environment for your chosen business?
As explained in "The Price of Progress," what is the most frequently used measure of ‘progress’ in quality of life and why is it inadequate, per the author?
A charge q= +5.80 uC is located in the center of a regular tetrahedron, Find the total electric flux through the tetrahedron, the electic flux through one face of the tetrahedron
A pendulum is made by tying a 550g ball to a 52.0cm -longstring. To what angle does the pendulum swing on the other side
A parallel plate capacitor with 4.0 mm plate spacing has circular plates and holds a charge of +/- 6 uC on each plate when it is charged to a potential of 100 V. What is the radius of the plates
A ball is thrown upward from the ground with an initial speed of 23.90 m/s; at = same instant, a ball is dropped from a building 16 m high. After how long will the balls be at the same height.
A circus juggler performs an act with balls that he tosses with his right hand and catches with his left hand. what is the maximum number of balls he can juggle
An asteroid of mass 59,000 kg carrying a negative charge of 12.0 μC is 170 m from a second asteroid of mass 58,000 kg carrying a negative charge of 15.0 μC
What is the gas pressure? Give your answer in atm. The gas then undergoes an isothermal compression until the pressure is 3.1atm, What is the final temperature of the gas
A circle of rope of total mass 1kg and radius 1m is spinning at angular velocity 2.5 rad/sec about an axis through the center of the circle
Fill a glass with water. Look down through the water, and then through the glass to your hand on the outside. Can you see it? Tip the glass towards you and watch your hand disappear. Why? Do you know what physical phenomena this observation is rel..
Many nuclear reactors use heavy water moderators in which elastic collisions occur between neutrons and deuterons of mass 2.0 u. What is the speed of a neutron, expressed as a fraction of its original speed
The secondary voltage of an ignition trans- former in a furnace is 14 kV. When the primary operates at an rms voltage of 103 V, What is the impedance in the sencondary
An isotope of phosphorus called P-32 is radioactive. It decays with half life of 14.3 days with the emission of beta particle. A 1.0 m?Ci source of P-32 is implanted in a tumor where it would deliver radiation dose of 28.6 Gy.
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