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A) Anna walks 61 m due north, 76 m due east, and then 89 m due south. What is the direction (angle in degrees) of her net displacement as measured from the x axis where counterclockwise is the positive direction?
B) An object is thrown vertically upward with a speed of 14.66mph. How much time from launch will it take to reach the bottom of a well 5.64 m deep?
C)If vector A has an x-component of 2.89 m and a y-component of 4.08 m, and vector B has an x-component of 3.26 m and a y-component of 3.62 m, then what is the magnitude of the vector Egiven by the vector sum of 3A + 5B?
D)A predatory fish can accelerate from rest to 4.36m/s in 0.16s. What is the acceleration of the fish?
A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. If he hits the ball with a velocity of 7.5 m/s and then stops, what impulse did he imply on the ball
A block, m1,is resting on a frictionless horizontal surface. This blockis connected to a block, m2, by a string over africtionless pulley that has a mass of 5.0 kg and a radius of 12cm. What are the tensions on opposite sides of the pulley
A toroid having a square cross section, 1.00 cm on a side, and an inner radius of 17.0 cm has 550 turns and carries a current of 0.500 A. (It is made up of a square solenoid bent into a doughnut shape.) What is the magnitude of the magnetic field ins..
In the "before" part of the figure below, car A (mass 1000 kg) is stopped at a traffic light when it is rear-ended by car B (mass 1600 kg). Both cars then slide with locked wheels until the frictional force from the slick road (with a low µk of 0...
A 1300-kg car moving on a horizontal surface has speed v = 55km/h when it strikes a horizontal coiled spring, What is the spring stiffness constant of the spring
The value of the magnetic field for a certain type of electromagnetic wave is 2.12 ?T. What is the value of the electric field for that wave
In civil aviation, a "standard turn" for level flight of apropeller driven airplane is one in which the airplane makes acomplete circular turn in 2 min. If the plane's speed is 168 m/s, what is the radius of the circle?
A falling stone takes 0.33s to travel past a window 2.20 m tall on the right. From what height above the top of the window did stone fall.
A pilot of an air plane travelling at 130km/hr wants to drop food supplies on a patch of land 250m below. what is the initial vertical velocity when package is dropped
a block of mass m sliding on a frictionless table is attached to a horizontal string that passes through a tiny hole in
A 4.30-kg ball is dropped from a height of 14.5m above one end of a uniform bar that pivots at its center. The bar has mass 6.50kg and is 4.60m in length. At the other end of the bar sits another 6.00-kg ball, unattached to the bar. The dropped ball ..
A man and a boy carry a canoe 5.75 m longand weighing 373 N. The canoe is heldoverhead in a horizontal position. The boy holds one end of the canoe. How far from the opposite end should the man stand so that the boy exerts a force of only 126 N?
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