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A boat crosses a river with constant velocity with respect to the water, v=0.3 m/s. The boat%u2019s velocity is directed perpendicular to the shores of the river. River width is b=63 m. River flow is not constant and changes across the river as a parabolic function \(u=u_{0}-4(u_{0}/b^{2})(x-(b/2))^{2}\), where x is the distance from the shore and u0 = 5 m/s.
Find the drift s of the boat along the river when it reaches the opposite shore.
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
Unpolarized light with an intensity of 650 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
A concave mirror produces a virtual image that is seven times as tall as the object. What is the focal length of this mirror
A ball is thrown directly downward with an initial speed of 7.55 m/s, from a height of 30.2 m. After what time interval does it strike the ground
Two point charges, Q1 = -7 and Q2 = 2 are located between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.33m. Assume that the electric field produced by the charged plates is uniform and equal to E = 6..
The vertical component of this force is 128 newtons, as the horizontal component is 145 newtons. Calculate the magnitude of F.
A stone is thrown vertically upward at a speed of 28.40 m/s at time t=0. A second stone is thrown upward with the same speed 2.570 seconds later. At what height do the two stones pass each other
An object with mass 5.0 kg originally moves with 4 m/s in the S direction on a horizontal surface and suddenly breaks into two pieces. What is the magnitude of the velocity of the second piece
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.260 s. Find the angular velocity of the disk
If the string is 9.50 m long, has a mass of 55g and is pulled taut with a tension of 9.5 N, how much time does it take for a wave to travel from one end of the string to other.
A ball rolls off a platform that is 6.8 meters above the ground. The ball's horizontal velocity as it leaves the platform is 7.4 m/s.How much time does it take for the ball to hit the ground
Find out separation between the two sources
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