A crossbow bolt is fired horizontally over level ground toward a target 37.4 m away. The bolt hits the target 0.24 m below the height at which it was fired.what was the initial speed of the bolt in m/s?
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A crossbow bolt is fired horizontally over level ground toward a target 37.4 m away. The bolt hits the target 0.24 m below the height at which it was fired.
what was the initial speed of the bolt in m/s?
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- A boy is standing from the top of a cliff 8 m from the ground and he has a bow which is aimed 40 degrees from the horizontal. He can release the bow with an initial velocity of 15 m/s. An animal is below the cliff and is moving towards the boy at a velocity of 5 m/s. For the bow to hit the animal, at what distance D should the animal be when the bow is fired?Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 3.30 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 52.5 m above the street level and directly above the sidewalk, to throw them to her. Bruce throws them horizontally at a time 9.00 s after Henrietta has passed below the window, and she catches them on the run. You can ignore air resistance. I. With what initial speed must Bruce throw the bagels so Henrietta can catch them just before they hit the ground? (Express your answer in meters per second.) II. Where is Henrietta when she catches the bagels? (Express your answer in meters.)A shinobi threw a kunai due east at a velocity of 130 m/s relative to the shinobi. The shinobi was sprinting due east at 7.23 m/s relative to ground. A samurai used his bow to shoot a directly at an interception path. The arrow is due west. The samurai was stationary when the arrow was released. The velocity of the arrow due the direction of the kuna is 124 m/s relative to the samurai. The samurai and the shinobi were 147 meters away from each other. a. What is the velocity of the kuna relative to the arrow in kph? b. What is the time it will take for the kunai and arrow to be in contact? c. What is the distance of the contact point from the samurai?
- A gannet is a seabird that fishes by diving from a great height. If a gannet hits the water at 32 m/sm/s , what height did it dive from? Assume that the gannet was motionless before starting its dive.Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 3.45 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 36.4 m above the street level and directly above the sidewalk, to throw them to her. Bruce throws them horizontally at a time 7.00 s after Henrietta has passed below the window, and she catches them on the run. You can ignore air resistance. With what initial speed must Bruce throw the bagels so Henrietta can catch them just before they hit the ground? Where is Henrietta when she catches the bagels?An arrow is aimed horizontally, directly at the center of a target 26 m away. The arrow hits 0.04 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow in m/s?
- A ball thrown horizontally from a height of 1.2m hits the ground at a distance of 5.0m. What was the initial speed of the ball (in m/s)?A bullet is fired horizontally with an initial velocity of 200 m/s. The gun is 6.7 m above ground. How long is the bullet in the air?While standing on the roof of a building, a child tosses a tennis ball with an initial speed of 16 m/s at an angle of 25° below the horizontal. The ball lands on the ground 3.5 s later. How tall, in meters, is the building?
- Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 4.10 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 43.4 m above the street level and directly above the sidewalk, to throw them to her. Bruce throws them horizontally at a time 5.00 s after Henrietta has passed below the window, and she catches them on the run. You can ignore air resistance Part A With what initial speed must Bruce throw the bagels so Henrietta can catch them just before they hit the ground? Express your answer using three significant figures. mis Submit Request Answer Part B Where is Henrietta when she catches the bagels? Express your answer using three significant figures. m from the house Submit Request AnswerAn Olympic diver is on a diving platform 3.50 m above the water. To start her dive, she runs off of the platform with a speed of 1.3 m/s in the horizontal direction. What is the diver's speed, in m/s, just before she enters the water? m/sgarden hose sprays a burst of water horizontally from 1.6 m above level ground. It hits a fence 2.1 m away, horizontally, at a height 0.93 m above the ground. What was the initial speed of the burst of water?