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A lever uses an effort arm of 4.75 m and has a resistance arm of 21.5 cm. What is the mechanical advantage of the lever?
A machine is driven by a series of gears. The first gear has 12 teeth and rotates 25.0 times per minute. How many teeth does it have
A company has been 100% equity owned but recently made changes to its capital structure.
Identify at least 3 types of computers, how they process information, and the purpose and function of key hardware components.
The average number of vacation days per year offered by different US companies is skewed to the right. A random sample of 60 companies showed the mean number of vacation days was 22, and the standard deviation was 9 days.
Calcite (CaCO3) has two types of bond. What are the two types? Demonstrate which is the stronger by calculating the degree of ionic character of each bond
Why are municipal bonds exempt from federal tax? What happends if they were not?
100 moles of water at 70 degrees celsius is brought into thermal contact with 100 moles of a monatomic gas at 20 degrees celsius, and the two substances exchange heat until they reach the same temperature. Assuming that no heat is lost to the surr..
Water at the top of Niagara Falls has a temperature of 14.0°C. If it falls a distance of 60.0 m and all of its potential energy goes into heating the water, calculate the increase in temperature of the water at the bottom of the falls.
Using the deferral method, prepare a statement of revenues and expenses and a statement of changes in net assets for Wise Owls for 20X1.
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 152°C. (a) What is the average kinetic energy of each type of molecule. J/molecule (b) What is the rms speed of each type of molecule.
For no apparent reason, a poodle is running at a constant speed of 6.00 m/s in a circle with radius 2.9 m. Let v1 be the velocity vector at time t1 , and let V2 be the velocity vector at time t2 . Consider (change in v)=v2-v1 and (change in t)=t2-..
A bungee jumper undergoes simple harmonic motion with amplitude 7.9m and frequency 0.110Hz. Determine the bungee jumper's velocity
A 0.38-kg cord is stretched between two supports,7.6m apart. When one support is struck by a hammer, What is the tension on the cord
The coefficient of kinetic friction between her skis and the snow.
What is minimum important in returning blood to the heart? Negative intrathoracic pressure, valves and veins, the pumping action of skeletal muscles, or the pushing of blood by arterial system.
An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
The position of a jumping cricket is described by the equation: x=10t-4.0t^2 What is the crickets instantaneous velocity at t=0.2 seconds
A box slides down a 40° ramp with an acceleration of 1.260 m/s2. Find out the coefficient of kinetic friction between box and ramp.
A 79.0 kg man is riding in a shopping mall. The escalator moves the man at constant velocity from ground level to the floor above, the vertical height of 4.40m.What is the work completed on the man by the gravitational force and the escalator.
Suppose that the mass of the dishwater is large as much as necessary so that its temperature does not change appreciably.
The record distance in the sport of throwing cowpats is 81.1 m. This record toss was set by Steve Urner of the United States in 1981, Determine the initial speed of the projectile
A 43.5 mA current is carried by auniformly wound air-core solenoid with 460 turns, a 17.0 mmdiameter, and 11.0cm length. Compute the magnetic flux through each turn
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