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A water-skier is moving at a speed of 13.1 m/s. When she skis in the same direction as a traveling wave, she springs upward every 6 s because of the wave crests. When she skis in the direction opposite to the direction in which the wave moves, she springs upward every 3.8 s in response to the crests. The speed of the skier is greater than the speed of the wave.
(a) Determine the speed of the wave.
(b) Determine the wavelength of the wave.
Two metal plates are held together by two steel rivets, each of diameter 0.24cm and length 1.2cm.How much force has to be applied parallel to the plates to shear off both rivets.
Positive charges with magnitudes 3.50 mC and 6.75mC are located at the origin and at the point (10,0) metters on the x axis, respectively. What are the strength and direction of the field they generate at the point (0,10) on the y axis?
Consider the chemical reaction given. The initial concentrations of CO(g) and H2O(g) 0.35 M and 0.40 M respectively, What is the value of the equilibrium constant for this reaction
The Earth has a static electric field almost everywhere on the surface of about 100 V/m, pointed downward, called the "Fair weather field". Calculate the total charge induced on the Earth's surface
A child runs down a 10 degree hill and then suddenly jumps upward at a 17 degree angle above horizontal and lands 1.5 m down the hill as measured along the hill. what was the initial speed?
A particle attached to a spring with k 50 N/m is undergoing simple harmonic motion, and its position is described by the equation x (5.7 m)cos(7.5t), What is the maximum potential energy
Suppose an ideal gas is in a container 3L in volume and allowed to expand by having a piston move. The final volume after the piston moves is 15L. If the gas is at first at a pressure of 1×10^5 Pa and a temperature of 300 K, and temperature is mai..
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 6.35 m above the water. find the number of revolutions she makes while on the way down
Objects A and B are both positively charged. Both have a mass of 200g, How large is the force on A and What is the charge qA and qB
A 2 MeV deuteron strikes a 6Li3 nucleus. The compound nucleus splits into identical nuclides. calculate the COM kinetic energy of each
A car is traveling 72.0 km/h when the driver applies the brakes. If if car slows down uniformly with an acceleration of -4.5 m/s2, how far does the car travel before coming to rest.
what is the speed of the proton in the beam.define the spread in these values.
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