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 Sujet: initial velocity
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 Throwing a football 2018-04-26 Abby pose la question :Daring Danny's threw a football at an angle of 40 degrees to the horizontal. The football hit the ground at 36 feet. Danny is 5 feet 1 inch tall. Find the initial velocity I have been trying to figure this problem out for forever! Please help! I am really confused because I don't know time either and you are supposed to find that as well as velocity.Penny Nom lui répond. Initial velocity 2017-05-23 Annelle pose la question :a body is thrown vertically downward from a height above the ground. determine the initial velocity and the height of the starting point if after 4 secs it reaches the ground with velocity of 68 m/s.Penny Nom lui répond. Shooting a ball at a target 2016-02-16 Thys pose la question :Hi I have a problem with the formula that i use .(for programming) I have looked all over the web to find a solution but no luck. I have a cannon that shoots a ball at a target I use this formula to calculate what my initial velocity must be to hit the target at a angle of 30 degrees and a distance of 15m (the cannon and target position is known) It works perfectly if both is at same height but if one is higher or lower it miss. In an example I am working with the range is 30m, the angle is 45 degrees and the target is 10m higher than my position. Please help Formula = V0 = √RG / Sin(2α)Harley Weston lui répond. Parametric equations 2 2012-02-25 Kathy pose la question :If the angle at time 0 is not 45 degrees how can you find the initial velocity? Ball thrown from height of 7 feet. Caught by receiver at height of 4 feet after traveling 90 feet down the field. Find initial velocity. You had a similar problem answered but the angle was 45 degrees so the cos and sin were equal and the equations were simpler to work with. Thank you!Harley Weston lui répond. Throwing a ball on the moon 2008-05-21 leria pose la question :equation for motion of moon is h=2.67t^2 + vt + s equation for earth h=-16t + vt + s Suppose you are on an outpost on the moon and Jan is back on Earth. Both people toss a ball from a height of 96 feet with an initial velocity of 16 feet per second. How much longer will your ball stay in motion on the moon than Jan's on the earth? Math Central, I'm having a difficult time understanding which numbers to plug into the formula.Stephen La Rocque lui répond.

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