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The vertical displacement due to a travelling wave moving horizontally is given by y(x,t) = 5.4cos(.4(rad/s) t (sec)) where x and y are in centimeters. The horizontal distance between the points whose phase differs by pi/3 is A. 1.05 cm B. 2.62 cm C. 7.86 cm D. 9.81 cm E. 13.6 cm
Three charges are to be placed as follows: q1: 10.00 µC at (0.00,0.00) q2: -25.00 µC at (4.00,0.00) and q3: -2.00 µC at (0.00,-3.00), Calculate the electric potential energy of the group of three charges
Suppose that 3.00 g of hydrogen is separated into electrons and protons. What is the resulting compressional force on the Earth
A 7.0 g bullet is fired into a 1.5 kg ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the block rises to a max height of 12 cm. Find the initial speed of the bullet.
Tsunamis are fast-moving waves often generated by underwater earthquakes. In the deep ocean their amplitude is barely noticeable, What was the speed (in m/s) of the wave
A source delivers an AC voltage of the form change in v = 98.0 sin (80(pi)t), where change in v is in volts and t is in seconds, to a capacitor. Find the frequency of the source
At the start of a trip, a driver adjusts the absolute pressure in her tires to be 2.51 x 105 Pa when the outdoor temperature is 277 K. find the air temperature in Kelvin inside the tires at the end of the trip
In a film of Jesse Owen's famous long jump in the 1936 Olympics, What minimum speed did he need at launch if he was also noted to be traveling at 6.5 m/s at the top of the arc
A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 2.0 cm and released. If the spring constant is 85 N/m, what is the magnitude of spring force acting on the toy at the moment i..
An electron and a positron, each moving at 3.0 x 10^5m/s, collide head on, disappear, Determine the energy and momentum of each photon
As you ride your 14-kg bicycle on level ground you do some work against a 30N force of air resistance if your mass is 65-kg.What is power you apply to maintain a velocity of 25-km`.a-on level ground b-going up a 5degrees slope?(remember it's a num..
A light beam having a wavelength of 654 nm in air is directed into glycerine (n=1.47). What is the frequency of light in glycerine
An object is 1.6 m to the left of a lens of focal length 0.92 m. A second lens of focal length -3.7 m is 0.62 m to the right of the first lens. Find the distance between the object and the final image formed by the second lens
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