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If a capacitor has opposite 5.3?C charges on the plates, and an electric field of 2.4kV/mm is desired between the plates, what must each plate's area be
A plane mirror is lying flat in the x-y plane with its reflecting surface facing up. A point source of light is located at (x=0.0 m, y=2.0 m, z=3.0 m). What is the distance from the object to the im
Calculate the amount of heat (in kJ) required to convert 63.3 g of water to steam at 100°C. Use the correct amount of sig figs.
An unmarked police car traveling a constant 85km/h is passed by a speeder. what was the speeder's speed
A neutron star is the remnant left after certain supernovae (explosions of giant stars). What is a typical neutron star density in g/cm3
Cinnamon gets some of its flavor from cinnamaldehyde that is 81.79% C; 6.10% H and the rest is oxygen. Determine the empirical formula for this compound (enter your answer in the form CxHyOz)
A powerful motorcycle can produce an acceleration of 3.00 m/s2 while traveling at 90.0 km/h. What force does the motorcycle exert backward on the ground
When aluminum is produced by electrolysis we get 5.68 tons of aluminum and 5.04 tons of oxygen. What is the empirical formula of the compound that is being electrolyzed
A projectile is fired with an initial speed of 164 m/s. Find the angle of projection such that the maximum height of the projectile is equal to 0.5 times its horizontal range
A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. How far apart are the two cruisers
A 1.525 g sample of a compound between sulfur and oxygen was prepared by burning 0.7625 g of sulfur in air and collecting the product. What is the empirical formula for the compound formed
An arrow is shot vertically upward and then 1.99 s later passes the top of a tree 38.9 m high. How much longer will the arrow travel upward
Calculate the concentration of all species in a 0.100 M phosphorous acid solution. These species include {H3O}, {H2PO3} and {HPO3^2-}. For phosphorous acid, ka1=3.0*10^-2 and Ka2=1.7*10^-7
A ring of radius R has uniform charge per unit lenght ? C/m (?>0), and z is the dince along its axis. Explain why the electric field must be zero at the center of the ring
an elephant can runat a steady speed of 10m/sec and can stop in 2.5 sec what is the average acceleration of the elephant while stopping
A small coin, initially at rest, begins falling. If the clock starts when the coin begins to fall, what is the magnitude of the coin\'s displacement
A 110-m-wide river flows due east at a uniform speed of 1.5 m/s. A boat with a speed of 8.5 m/s relative to the water leaves the south bank pointed in a direction 39o west of north. find the directi
Prepare (2R,3S)-2,3-dibromobutane (a meso compound) starting from a racemic mixture of (2S,3S)- and (2R,3R)-2,3-dibromobutane
How do you find the net ionic equation for Hg2Cl2(s) + 2NH3(aq) --> Hg(l) + HgNH2Cl(s) + NH4+(aq) + Cl-(aq)
Explain the differences in values of the ligand field splittings (Delta = DeltaO or DeltaT for the cobalt complexes below): [Co(NH3)6]3+ ----> Delta = 22,900 cm-1, [Co(H20)6]3+ -----> Delta =
a. Provide equation for the complete combustion of ethylbenzene. b. Provide an equation for the partial combustion of acetylene. c. If 100 kg o both material where available, which hydrocarbon (ethy
A ball thrown straight up from the ground passes a window 5.6 m up. An observer looking out the window sees the ball pass the window again, going down, 2.6s later
In a PCM system, the number of quantization levels is 16 and the maximum lsignal frequency is 4 kHz, the bit transmission rate is
Analog data having highest harmonic at 30 kHz generated by a sensor has been digitized using 6 level PCM
You stand on the shore of a small river that measure 10 meters across. You take your cat and throw it into the middle of the stream. How long did it take the cat to reach you