The figure below illustrates three parabolic trajectories of bullets thrown from the ground with identical initial...
The figure below illustrates three parabolic trajectories of bullets thrown from the ground with identical initial speeds. As shown, they do not necessarily lead to same level. Sort these trajectories in descending order of the module of the final speed of the ball.
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The figure below illustrates three parabolic trajectories of
bullets thrown from the ground with identical initial...
Three identical balls are thrown from the top of a building, all with the same initial speed
Three identical balls are thrown from the top of a building, all with the same initial speed. The first is thrown horizontally, the second at some angle above the horizontal, and the third at some angle below the horizontal. Neglecting air resistance, rank the speeds of the balls at the instant each hits the ground.
10. a Two identical stones A and B are projected from ground level with identical initial...
10. a Two identical stones A and B are projected from ground level with identical initial speeds v, but at two different angles 0A and Og respectively above the horizontal. Assume that eA<OB90 i. Explain how both stones can land on the same spot on the ground and include sketches of their trajectories. Given that they land on the same spot, show that the ratio of their time of flight is COSB tA given by (4) COSA tB far tha...
1. (6 points) The figure shows three situations in which identical projectiles are launched (at the...
1. (6 points) The figure shows three situations in which identical projectiles are launched (at the same level) at identical initial speeds and angles. The projectiles do not land on the same terrain, however (a) Rank the situations according to the final speeds of the projectiles just before they land, greatest first. (b) Rank the situations according to the final horizontal speeds of the projectiles just before they land, greatest first.
The phenomena: Three rocks of equal mass are thrown with identical speeds from the top of the same building (identical height).
The phenomena: Three rocks of equal mass are thrown with identical speeds from the top of the same building (identical height). Rock X is thrown vertically downward, rock Y is thrown vertically upward, and rock Z is thrown horizontally. The Question: Which rock has the greatest speed just before it hits the ground? Assume air resistance is negligible. a) Make a prediction based on your prior experience. b) Does the question involve parameters that you know to be indicators of the change in...
A ball is thrown from a rooftop with an initial downward velocity of magnitude v0 = 1.1 m/s. The rooftop is a distance above the ground, h = 46 m.
A ball is thrown from a rooftop with an initial downward velocity of magnitude v0 = 1.1 m/s. The rooftop is a distance above the ground, h = 46 m. In this problem use a coordinate system in which upwards is positive. Part (a) Find the vertical component of the velocity, Vfy, in meters per second, with which the ball hits the ground. Part (b) If we wanted the ball's final speed to be exactly 27.3 m/s from what height, hnew (in...
Six baseball throws are shown below. In each case the baseball is thrown at the same initial speed and from the same...
Six baseball throws are shown below. In each case the baseball is thrown at the same initial speed and from the same height above the ground. Assume that the effects of air resistance are negligible. Rank these throws according to the speed of the baseball the instant before it hits the ground. Rank from largest to smallest. To rank items as equivalent, overlap them.
Can anyone explains all the answers? Two balls, A and B are thrown at the same...
Can anyone explains all the answers? Two balls, A and B are thrown at the same angle above horizontal, but initial velocity of ball A is two times greater than initial velocity of ball B. Ignore air resistance. we can conclude that horizontal range covered by ball A is same as range covered by ball B twice the range covered by ball B four times the range covered by ball B. greater than horizontal range covered by ball b, but...
Problem 4 the bounced ball before the bounce. An outfielder throws a baseball to his catcher...
Problem 4 the bounced ball before the bounce. An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which shown in the figure below, but that the ball's speed after the bounce is one-half of what is was (a) Assume the ball is always thrown with the same initial speed and ignore air l leaves the ground is the...
The Green Monster, as shown below, is a wall 37 feet high in left field at...
The Green Monster, as shown below, is a wall 37 feet high in left field at Fenway Park in Boston. The wall is 310 feet from home plate down the third base line. If the batter hits the ball 4 feet above the ground, neglecting air resistance, determine the minimum speed that the bat must impart to the ball that is hit over the Green Monster. COVIDIE CVS. ELABOR The equations of motions for the baseball are x(t) = (u...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
10. a Two identical stones A and B are projected from ground level with identical initial speeds v, but at two different angles 0A and Og respectively above the horizontal. Assume that eA<OB90 i. Explain how both stones can land on the same spot on the ground and include sketches of their trajectories. Given that they land on the same spot, show that the ratio of their time of flight is COSB tA given by (4) COSA tB far tha...
1. (6 points) The figure shows three situations in which identical projectiles are launched (at the same level) at identical initial speeds and angles. The projectiles do not land on the same terrain, however (a) Rank the situations according to the final speeds of the projectiles just before they land, greatest first. (b) Rank the situations according to the final horizontal speeds of the projectiles just before they land, greatest first.
Problem 4 the bounced ball before the bounce. An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which shown in the figure below, but that the ball's speed after the bounce is one-half of what is was (a) Assume the ball is always thrown with the same initial speed and ignore air l leaves the ground is the...
The Green Monster, as shown below, is a wall 37 feet high in left field at Fenway Park in Boston. The wall is 310 feet from home plate down the third base line. If the batter hits the ball 4 feet above the ground, neglecting air resistance, determine the minimum speed that the bat must impart to the ball that is hit over the Green Monster. COVIDIE CVS. ELABOR The equations of motions for the baseball are x(t) = (u...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
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