Sujet: gravity liste de sujets
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21 articles trouvés pour ce sujet.

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	Calculer la hauteur de chute de cette pierre		2000-12-16
		Marcus pose la question : Une pierre tombe au fond d'un puit, à 5 secondes on entend un son (de la pierre). Calculer la hauteur de chute de cette pierre en tenant compte de la vitesse du son = 340m.s-1 Il faut savoir que pour la chute libre v= g.t ; h = 1/2 g.t2 ; v = 2g.h g intensité du champs de pesanteur = 10 ; h hauteur de chute. Claude tardif lui répond.
	Gravity equation		1999-10-21
		Jean-Marie Le Ray pose la question : J'ai dû traduire un texte avec la formule "gravity equation", que j'ai rendue par "équation de gravité", sans absolument savoir de quoi il s'agit. Quelqu'un sait-il si cela est juste et ce qu'est exactement une "gravity equation"? Claude Tardif lui répond.
	A car drives over a cliff		2019-06-06
		Victor pose la question : A car was going 90 mph towards 90foot drop. What would the distance would the car travel horizontally ,from the cliff edge? Penny Nom lui répond.
	A penny is thrown from the top of a building		2018-03-16
		Zoraida pose la question : A penny is thrown from the top of a 26.7-meter building and hits the ground 3.39 seconds after it was thrown. The penny reached its maximum height above the ground 0.89 seconds after it was thrown. a. Define a quadratic function, h, that expresses the height of the penny above the ground (measured in meters) as a function of the number of seconds elapsed since the penny was thrown, t. b. What is the maximum height of the penny above the ground? Penny Nom lui répond.
	A rectangular box filled with oil		2017-04-11
		morpal pose la question : we want to calculate volume of rectangular box height 1275mm and lengths 2400mm and breadth 1270mm and oil s. gravity is .950 how much kg. of oil i can store Penny Nom lui répond.
	Sawdust		2009-09-29
		joel pose la question : What is the density of saw dust Harley Weston lui répond.
	A falling object		2009-02-01
		Tamara pose la question : We drop an object from rest (i.e. its initial spped is zero. It is falling freely toward the ground. What will be its speed after 5 seconds of falling? Penny Nom 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.
	A crate is launched from an airplane		2008-05-10
		Michelle pose la question : A crate is launched from an airplane, 75 feet above the ocean, with an initial vertical velocity of 60 feet per second. How many seconds will it take for the crate to hit the water? Round to the nearest hundredth. Harley Weston lui répond.
	A package of supplies is dropped from a plane		2008-02-29
		beth pose la question : An airplane flies west at a speed of 200m/s. A package of supplies is dropped from the plane to some campers. if the plane is at an altitude of 1000meters, how far from the campers should the package be dropped to land near them? ignore wind resistance. Stephen La Rocque lui répond.
	How do I convert milliliters(powder form) to grams?		2007-06-28
		ed pose la question : How do I convert milliliters(powder form) to grams Harley Weston lui répond.
	Freefalling objects		2007-01-25
		Patricia pose la question : How long will it take a stone dropped from atop a 1000-meter tall building to reach the ground? Stephen La Rocque lui répond.
	Computing gravity		2006-09-27
		Patricia pose la question : What is the gravity of planet z in inch/hr squared if the weight of an element with mass of 45000 oz on planet z is 2N? Stephen La Rocque lui répond.
	If a person who weighs 270 pounds on Earth		2006-05-10
		Chloe pose la question : If a person who weighs 270 pounds on Earth weighs 45 pounds in space, how much would a person weigh in space who weighs 132 pounds on Earth? Stephen La Rocque and Penny Nom lui répond.
	How much does 1300cc of liquid weigh?		2006-04-28
		Debra pose la question : How much does 1300cc of liquid weigh, and how is the formula equated? Stephen La Rocque lui répond.
	1/4 tsp salt = ??? grams		2004-11-16
		Julie pose la question : if i have 1/4 teaspoon of salt how many grams does that equal Penny Nom lui répond.
	Lead weights		2004-01-26
		Jeff pose la question : I am making a mold for my decoy anchors. I need 10 - 12 lead ounce weights. How would I determine the liquid measurement for that weight? For example if I melted down 10 ounces of lead how many cups would that be or quarter cups etc? I would like the formula if I could and good instructions on how to use the formula. Penny Nom lui répond.
	g on Mars		2004-01-22
		RC pose la question : To measure the acceleration on Mars an object is dropped from a height of 160m. It takes 10s for this object to hit the ground. What is the value for g on Mars?g Penny Nom lui répond.
	A fish tank		2003-11-26
		Bill pose la question : How do I work out the volume and weight of water in a fish tank that is 36in x 14in x 12in? Penny Nom lui répond.
	Density		2003-02-19
		Rob pose la question : What is the formula for converting cubic feet to pounds? (with any substance) Penny Nom lui répond.
	Gravity		2000-09-06
		Robert Broomfield pose la question : If they dropped a 1lb object from 40,000 feet in the air, at what speed would it it the ground? Harley Weston lui répond.

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