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A 63-kg canoeist stands in the middle of her 22-kg canoe. Thecanoe is 3.0 m long, and the end that is closest to land is 2.5 mfrom the shore. The canoeist now walks toward the shore until shecomes to the end of the canoe.
Calculate the distance from the canoeist to the shore.
A sinusoidal wave on a string is described by the wave function y = 0.19 sin (0.90x ? 62t) where x and y are in meters and t is in seconds. The mass per unit length of this string is 12.0 g/m. Determine speed of the wave. m/s. Determine wavelength of..
A sled of mass 50.0 kg is pulled along flat, snow-coveredground. The static friction coefficient is 0.30, and the kineticfriction coefficient is 0.10. What does the sled weigh
An astronaut in training is placed in a merry-go-round-likedevice that rotates her at high speed in a horizontal circle ofradius 5 m. At what rate does she have to rotate
The free-fall acceleration on the surface of Mars is about three eighths that on the surface of the Earth. Find the ratio of their average densities, ?Mars/?Earth
A ball bearing is dropped from rest at a point A. At the instant it passes a mark 4.0 m below A, another ball bearing is released from rest from a position 5.0 m below A, How far does the second bearing fall in that time
A GaAs quantum well structure is given where a thin GaAs layer is embedded between AlGaAs layers. Assuming the we can treat the electrons in the GaAs conduction band as being trapped in a 1-D potential well in the x direction,
A speedboat increases its speed uniformly from v1 = 20 m/s to vf = 25 m/s in a distance of 2.40 102 m. (a) Draw a coordinate system for this situation and label the relevant quantities, including vectors.
A circular loop of radius 11.5 cm is placed in a uniform magnetic field. what is the strength of the magnetic field
A 15 kg brick rests on a roof that is at an angle of 40º to the horizontal. What is the component of the force into the surface of the roof
Two slits are illuminated by a 390 nm light.The angle between the zeroth-order bright band at the center of the screen, how far apart is this bright band from the central peak
Two 10.0 kg masses are hanging from the ceiling of an elevator that is accelerating upwawrd at 2.00 m/s. What is the tension in each rope
An astronaut travels to Mars with a speed of 8400 m/s. After 1 month (30.0 days) of travel, as measured by clocks on Earth, how much difference is there between the Earth clock and the spaceship clock? Give your answer in seconds.
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