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A 1.2m long ramp is inclined at 13 degrees to the horizontal. A solid ball is released from rest at the to of the ramp. Find it's translational acceleration
Two 2.5cm -diameter disks spaced 2.0 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.1×105 V/m. How much charge is on each disk?
A solution is made by mixing 9.00 (millimoles) of HA and 3.00mmol of the strong base. What is the resulting pH
A knob on a turning table rotates circularly with a constant speed of 0.78 m/s in a cirlce with radius= 0.35m. What is the maximum acceleration of the shadow
A 1.85m diameter wagon wheel makes one revolution in 3.45s. What is the tangential speed of a point in it's rim
what effect does the presence of sodium sulfite group on methy orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting mo
In a heat conductivity experiment, a slab of silicon of thickness 2 x 10^-3m and area of 0.40m^2 seperates condensing steam(lv=540cal/g) at 100 degree C, Find the increase of entropy in the universe
Calculate the theoretical mass of solid formed. If the reaction in question 1 has 91.2%yield, calculate the actual mass of solid formed
A boulder has a volume of 1 m3 and a mass of 5000 kg. what will be the effective mass of the boulder
A(n) 51.6 cm length of wire when used as a resistor has a resistance of 0.00668 ?. The ends of the wire are connected to form a circular loop, At what rate is thermal energy generated in the wire
Oxalic acid dehydrate, H2C2O4. 2H2O (formula weight = 126.1 g/mol) is sometimes used to standardize NaOH solutions. How many grams of this acid will be required to titrate 45.0 mL of 0.18 M NaOH sol
In an experiment on the transport of nutrients in a plant's root structure, two radioactive nuclides X and Y are used. What is the half-life of isotope X
An electron passes through a point 2.71 cm from a long straight wire as it moves at 36.3% of the speed of light perpendicularly toward the wire
Two long parallel wires carry currents of 3.71 A and 6.47 A. The magnitude of the force per unit lengh acting on each wire is 6.85 × 10-5 N/m
You already have a solution that contains 10 (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic
A water-skier is moving at a speed of 13.1 m/s. When she skis in the same direction as a traveling wave, Determine the wavelength of the wave
The force F3, 6.17 N, acts on the block at an angle of 152.02 degrees. what is the work done by the force F3
The following reaction is example of elimination and substitution reaction. Categorized this reaction as an E1, E2, or SN1, SN2 CH3CH2O¯ + CH3CH2Br ? CH3CH2OCH2CH3 + Br¯ Please, explain.
We have a typical student microscope with a rotating platform that allows the user to select from three objective lenses. calculate the highest and lowest magnitude of the overall angular magnificatio
A certain weak acid HA, has a value of 9.7×10?7.Calculate the percent ionization of HA in a 0.10 m solution. Calculate the percent ionization of HA in a 0.010 m solution.
A mass, m= 1.23kg is hanging from a string. The string is stretched 0.641m from its natural equlibrium position. If i lift the mass 0.36m and let it go, what will be its maximum velocity
Draw (2R,3R)-2-bromo-3-phenylpentane in the conformation from which it is most likely to undergo E2 elimination to give 3-phenyl-2-pentene.
0.015mol of a diatomic gas, with initial temperature 18 degrees C , How much heat is added during this process
Calculate the corresponding Bohr's orbit radius. - Calculate and compare the probabilities for the electron to be at distances larger and smaller than this value.
Two narrow slits 0.286 mm apart are illuminated by light of wavelength 542. nm. The light falls on a screen 1.60 m away from the slits. What is the angular seperation between adjacent maxima