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A canoe has a velocity of 0.520 m/s southeast relative to the earth. The canoe is on a river that is flowing at 0.470 m/s east relative to the earth.Find the magnitude of the velocity v? c/r of the canoe relative to the river.
A flea jumps by exerting a force of 1.22 x 10-5 N straight down on the ground. What is the direction measured down from vertical
For a diverging lens (f = â€"16.0 cm), find the image distance for an object that is 16.0 cm from the lens. Determine the magnification of the lens
Over a 30-day period a power plant generates an average of 691 MW of electrical power and 1127 MW of waste heat, how much mass is converted into energy
The maximum speed of a 4.0- mass attached to a spring is 0.66 , and the maximum force exerted on the mass is 11 . What is the amplitude of motion for this mass? What is the force constant of the spring? What is the frequency of this system?
A motorcycle rider moving with an initial velocity of 6.8 m/s uniformly accelerates to a speed of 19.4 m/s in a distance of 30.0m. What is the acceleration? How long does it take?
Two identical, small insulating balls are suspended by separate 0.35-m threads that are attached to a common point on the ceiling, Determine the tension in the threads
three guns are aimed at the center of a circle and each fires a bullet simultaneously. the directions in which they
At three corners of a rectangle (length 11.8 cm, height 5.9 cm), the following charges are located: q1 (upper left corner), q2 (lower right corner), and q (lower left corner).
Suppose Arnold holds the gun one foot (.300 meters) from his axis of rotation, firing perpendicular to said axis. His mini-gun shoots Russian 7.62x39 (8.11 grams, 671m/s) at cyclic rate of 3000 rounds per minute. What is the average force his arm ..
An unstrained horizontal spring has a length of 0.28 m and a spring constant of 201 N/m. Determine the possible algebraic signs and the magnitude of the charges
A man is to be released from rest on a swing pulled away from the vertical by an angle of 22.1 degree. Find the maximum weight the man can have and not break the ropes
A mass is oscillating on a spring with a period of 4.60 s. At t=0 s the mass has zero speed and is at x=8.30cm. What is the value of t the first time after t=0s that the mass is at x=4.15?
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