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With a person on first base, Hank hits a ball to the corner of the outfield. The outfielders have trouble retrieving the ball, therefore Hank decides to try for an in the-park home run. As he rounds third base at a speed of 18 ft/s, Hank sees that the player in front of him is two-thirds of the way from third base to home and is limping at 5.9 ft/s. It is 90 ft between bases.
If Hank wants to arrive at home plate just behind the slower runner, find what should be the magnitude of his deceleration?
A fire hose ejects a stream of water at an angle of 35.8 ° above the horizontal. how far from a building should the fire hose be located to hit the highest possible fire
The bullet passes right through and emerges on the other side with a speed of 100 m/s, and the saxophone is given a speed of 4.8 m/s.
An observer, whose eyes are 1.92m above the ground, is standing 31 m away from a tree. The ground is level and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 21° above the horizontal. How t..
A snow maker at a resort pumps 150 kg of lake water per minute and sprays it into the air above a ski run. The water droplets freeze in the air and fall to the ground, forming a layer of snow.
A 6-kg bowling ball with a radius of 14 cm is spinning about a vertical axis (with its center of mass motionless) at an initial rate of 3 turns per second. What was the average torque that the friction interation applied to the bowling ball
Two long, coaxial cylindrical shell conductors carry equal and opposite charges. The inner shell has radius "a" and charge +q, and the outer shell had radius "b" and charge -q. Find the potential difference between the shells
a carousel is free to rotate about its center onfrictionless bearings the carousel has an angular speed of 3.14rad/s , a moment of inertia of 125 kg/m^2, what is the resulting angular speed of the carousel and the person
A single chain supports a pulley whose weight is 40 N. Two identical 80-N weights are then connected with a cord that passes over the pulley
you are 1.9 meters tall and stand 3.2 m from a plane mirror that extends vertically upward from the floor. on the floor
an inductor with an inductance of 2.90h and a resistor with a resistance of 6.00 ohms are connected to the terminals of
a 140 g baseball is moving horizontally to the right at 25 ms when it is hit by the bat. the ball flies off to the left
Coherent light with wavelength 595 nm passes by two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of th..
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