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kipiarov [429]
3 years ago
14

Please answer this No links please

Physics
1 answer:
Sladkaya [172]3 years ago
6 0
Your answer is- amplitudes
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A wave has a period of 2 seconds and a wavelength of 4 meters.Calculate its frequency and speed.
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F=l/t
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An object that is dropped straight down from a height of 100 m has a vertical change in position that is less than that of an id
sergey [27]
Objects dropped straight or thrown horizontally from the same height
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The statement is false. 
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A place kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. half the crowd hopes the ball will clear
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<span>The ball clears by 11.79 meters Let's first determine the horizontal and vertical velocities of the ball. h = cos(50.0)*23.4 m/s = 0.642788 * 23.4 m/s = 15.04 m/s v = sin(50.0)*23.4 m/s = 0.766044 * 23.4 m/s = 17.93 m/s Now determine how many seconds it will take for the ball to get to the goal. t = 36.0 m / 15.04 m/s = 2.394 s The height the ball will be at time T is h = vT - 1/2 A T^2 where h = height of ball v = initial vertical velocity T = time A = acceleration due to gravity So plugging into the formula the known values h = vT - 1/2 A T^2 h = 17.93 m/s * 2.394 s - 1/2 9.8 m/s^2 (2.394 s)^2 h = 42.92 m - 4.9 m/s^2 * 5.731 s^2 h = 42.92 m - 28.0819 m h = 14.84 m Since 14.84 m is well above the crossbar's height of 3.05 m, the ball clears. It clears by 14.84 - 3.05 = 11.79 m</span>
4 0
3 years ago
How does a television have a negative effect on the environment
max2010maxim [7]

Answer:

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Explanation:

8 0
3 years ago
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