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A diver springs upward with an initial speed of 2.65 m/s from a 3.0-m board.
(a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen as the negative direction.]
(b) What is the highest point he reaches above the water?
The middle C string on a piano is under a tension of 882 N. The period and wavelength of a wave on this string are 3.82 10-3 s, Find the linear density of the string
A satellite in geosynchronous orbit above the moon will go around once in 27.3 days. what is the orbital radius of the satellite
What can you conclude about the resulting displacements?
Point B is at ft. A force vector of pounds is applied at point B. 1) Determine the x-component of the moment of the force about the origin.
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 14.0 m/s at an angle 61.0 degrees; How high above the ground will the ball be when it gets to Julie
A certain copper power line carries a current of 52.7 A, and its resistance per unit length is 1.15 10-5 /m. If a bird is standing on this line with its feet 4.0 cm apart,
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the magnitude of the acceleration of a satellite in a geosynchronous orbit
Two long, straight wires are parallel and are separated by a distance of d = 0.230 m, The top wire in the sketch carries current I1 = 3.80 A, toward the right, and the bottom wire carries current I2 = 7.00 A, what are the magnitude and direction of t..
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear
A baseball player hits a baseball at one meter above the ground and gives it a velocity of 36 m/s at 41 degrees above horizontal. What will be the maximum height above the ground of the ball as it goes toward the fence
A 40-kg projectile leaves a 2000-kg launcher with a speed of400 m/s. What is the recoil speed of the launcher
Two cars of 2000 %u2013kg each collide head-on while traveling at 75.0 miles per hour. What is the temperature increase of the cars
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