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If wheels rotate at 125 revolutions per minute, determine the speed at which she is traveling in mi/hr. If the bike with 20 inch wheels was used, what should be the rpm if same speed was maintained?
Determine the number of atoms in a nickel coin. A nickel coin consists of a mass of around 5 g. Each mole (6.02 x 1023 atoms) consists of a mass of around 58 g.
Assume that, instead of the carbon-12, fluorine-19 had been chosen as the basis for the atomic masses. If it were assigned a mass of exactly 10.000, Discuss what would the atomic mass of copper be?
A chord is wrapped about the rim of a wheel 0.250 m in radius and a steady pull of 40.0 N is applied on the cord. The wheel is mounted on the frictionless bearings on a horizontal shaft via its cent
Write down a heat cycle to evaluate the heat of formation of oxalic acid, H2C2O4, from heats of combustion that ought to be easily calculated?
Then substitute one at the time coordinates of every point to build and solve three linear equations in variables a, b and c.
Write down a procedure for the enthalpy change of this reaction in terms of the heats of formation of the compounds concerned.
What happens to the mass of ice in the ice or water bath? Will the mass of ice [H2O(s)] increase or decrease? By how many grams will the mass change?
Explain why are the boiling points for each component in a fractional distillation closer to the known values for each component?
Explain why is the transition from the low boiling component to the high boiling component "sharper" in fractional distillation?
How many grams of MgSO4 remain when a certain hydrate has the formula MgSO4 * xH2O. A quantity of 54.2 g of the compound is heated in an oven to drive off the water and 1.54 moles of water are driv
Determine the periodic withdrawl for the annuity of $150,000 at 5% paid out monthly for fifteen years, leaving 200,000 in account at the end of fifteen years.
Employ a non-steady state energy balance on the block, and treat it as a control volume. Suppose that at any instant of time, temperature of the block is uniform all through.
i) Determine how long does the wheel take to reach the final operating speed of 1,200 rev/min?
When the protons could in some way be separated from the electrons and the two kinds of particles were located in very small, individual containers separated by the million meters, what would be the
What total torque should be applied to the wheel for the angular acceleration to be 150 rad per meter square.
Utilizing measures of circumference and arc length, describe how to make the protractor which measures the angle's openness in grads.
If the cylinder arrives at the bottom of the ramp, determine its rotational kinetic energy?
A plastic cylinder is 100 mm long and 50 mm in diameter. It consists of a mass of 1 kg. Find out its specific gravity and point out whether it would float or sink in the water.
A little aluminum boat having a mass of 14.5 g consist of a volume of 450 cm3. The boat is positioned in a small pool of water and filled with pennies. When each penny consists of a mass of 2.5 g de
The marketing department at Texas Instruments has discovered that when some calculators are sold at the price of p dollars, revenue (in dollars) as the function of price is.
An inductor of 0.67-mH and a resistor of 130 Ohm are positioned in series having a 24 V battery. (i) Determine how long will it take for the current to arrive at 67% of the maximum value? (ii) Determi
A proton moves in the circular orbit perpendicularly to the uniform magnetic field 0.8T. Determine the time it takes the proton to make one pass around the orbit. The mass of proton is 1.67 x 10^-27
Four similar masses of 1.8 kg each are positioned at the corners of the square having 1.1 m sides. Determine the total force on any one of the masses?
Find vertex of parabola y = x2 + 3x + 1 to nearest tenth. Use the vertex formula. Draw graph of y = x2 + 3x + 1 using information you found in parts a and b.