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In 100 - 250 words concisely explain why the wind speed, wave action and humidity increases as the low tide mark of the mangroves inter-tidal zone is approached.
If the magnetic field of the wire is 2.5×10-4 and the electron moves at 1.0×107 , what is the magnitude of the force exerted on the electron?
A box of Cheerios (mass mC = 0.9 kg) and a box of Wheaties (mass mW = 2.7 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the fri
What is the approximate efficiency of cellular respiration for a mutant organism that produces only 29 moles of ATP for every mole of glucose oxidized, rather than the usual 36-38 moles of ATP?
A sample of 0.28 mol of methane occupies 12.7L at 21°C. Calculate the work done when the gas expands isothermally against a constant external pressure of 27 kPa until its volume has increased b
The hammer rebounds with speed 11.0 m/s after 0.110 s. What is the average strain in the spike during the impact?
When a droplet of oil spreads out on a smooth water surface, the resulting "oil slick" is approximately one molecule thick. An oil droplet of mass 9.00 × 10-7 kg and density 918 kg/m3 spreads
A 5.2 g pop up toy is compressed 1.5 cm and pops up to a height of 50 cm the spring constant is 240 Nm. What is the loss of energy?
A 58-g ice cube at 0°C is heated until 51 g has become water at 100°C and 7.0 g has become steam at 100°C. How much energy was added to accomplish the transformation?
Find the magnitude of the gravitational force a 67.9 kg person would experience while standing on the surface of Earth with a mass of 5.98 × 10^24 kg and a radius of 6.37 × 10^6 m. The
The rms speed of the molecules in 1.7 g of hydrogen gas is 1600 m/s. A) what is the total translational kinetic energy of the gas molecules?
Determine the maximum wavelength of the photon that hydrogen in the excited state ni = 6 can absorb. The energy of the ground state of hydrogen is -13.6 eV.
Path A is 7.0 km long heading 60.0 degrees north of east.Path B is 6.0 km long in a direction due east. Path C is 5.0 km long heading 315 degrees counterclockwise from east. Graphically add the hike
With the power supply disconnected, the dielectric material is removed and the potential difference between the plates is measured to be 400 V. What is the dielectric constant of the material that w
what is the phase angle in a series RLC circuit with L=50mH, R=20 ohms, C=100 microfarads? the rms applies voltage is 120 V and 60Hz.
The electric potential at the center of a square is 5 V when a charge of +Q is located at one of the square's corners. What is the electric potential at the square's center when identical charges o
A 3300kg auto tows a 4500kg horse trailer. If the engine causes the ground to push the car forward with 8.58kN: a) what is the acceleration of the horse trailer?
A school yard teeter totter with a total length of 6.0 m and a mass of 36 kg is pivoted at its center. Where should the parent push with a force of 350 N to keep the teeter totter level?
Two speakers, one directly behind the other, are each generating a 557-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a l
The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earth"s orbital distance?
The box is filled with a nonuniform electric field of the following form: E(x,y,z) = Kz j + Ky k, where K = 4.50 N/(Cm) is a constant. What is the electric flux through the top face of the box?
A diver 60 m deep in 10 degrees Celsius fresh water exhales a 1.0 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 deg
Calcualte the coil's self-inductance. If the current decreases uniformly from 5.00 to 2.00 in 3.00, calculate the self-induced emf in the coil.
If an albino (recessive) woman is married to a man with normal coloring and they have an albino child, what was the genotype of the man?
Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol.