Answer: 44 meters
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A child drops a ball from a window. The ball strikes the ground in 3.0 seconds. What is the velocity of the ball the instant before it hits the ground?
By drawing a rough sketch of the given information and then using trigonometry the height of the tower works out as 25.8 meters rounded to the nearest tenth.
The ball was thrown horizontally at 10 meters per sec, and the thrower's arm was 78.4 meters above the base of the cliff.
64 metersIf a ball is thrown horizontally at 20 m/s from the top of a cliff that is 50 meters high, the ball will strike the ground 64 m from the base of the cliff (20m/s x 3.2 s).
Please describe how you drop something 'horizontally'
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Answer: 3 seconds
Pull over and get into the nearest ditch a depression in the ground. Do not seek shelter under an overpass.
If a javelin does not stick into the ground, the throw is measured from the point where it first strikes the ground to the nearest edge of the curve made by the javelin. This method ensures a fair measurement of the distance thrown, even if the javelin does not stick into the ground.
Length of line: 90/cos(22) = 97 feet rounded to nearest the foot
lightining strikes from clouds not the ground
6.98
RUN!
The distance a javelin is thrown is measured from the point where the javelin first strikes the ground to the nearest mark made by the point of the javelin that remains in the ground. The measurement is then taken in a straight line from the first mark to the throwing line.
WWII-Naval battles (Fleet actions); troop support; strategic strikes Vietnam War-Strategic strikes against North Vietnam & close air strikes for ground troops Today-Strikes against precision targets/strikes in support of ground troops
No. The horizontal distance depends on how close the the ground the gun is. From the firing position, a bullet dropped to the ground will strike the ground in the same time as a bullet shot horizontally forward.