DistanceProjectileMotion.nez

{
	"Problems": [{
			"units": "m",
			"gravity": -9.8,
			"objects": [{

					"type": "rect",
					"centerX": 2.0,
					"centerY": "{1}",
					"mass": 5,
					"isDynamic": true,
					"angle": 0.0,
					"width": 2,
					"height": 2,
					"initialVelocity": [0,0],
					"forces":[0,0]
				},
				{
					"type": "rect",
					"centerX": 0.0,
					"centerY": 0.0,
					"mass": 10,
					"isDynamic": false,
					"angle": 0.0,
					"width": 50,
					"height": 5,
					"initialVelocity":[0,0] ,
					"forces": [0,0]

				}
			],
			"varVals": {
				"{1}": [8, 11]
			},
			"varValLabels": ["height"],
			"problemText": "A block falls from a height of %1 meters, how long does it take to hit the ground?",
			"displayWidgets": ["s=.5at^2"],
			"solvingFormulas": ["(function(a) { return Math.sqrt(a*2/9.8);})"],
			"inputWidgetUnits": ["sec"]
		},
		{
			"units": "m",
			"gravity": -9.8,
			"objects": [{
					"type": "circ",
					"centerX": 2.0,
					"centerY": "{1}",
					"mass": 5,
					"isDynamic": true,
					"angle": 0.0,
					"radius": 2,
					"initialVelocity": ["{3}","{2}"],
					"forces": [0,0],
					"color": [0, 0, 0]
				},
				{
					"type": "rect",
					"centerX": 0.0,
					"centerY": 0.0,
					"mass": 10,
					"isDynamic": false,
					"angle": 0.0,
					"width": 50,
					"height": 5,
					"initialVelocity":[0,0],
					"forces": [0,0],
					"color": [0, 0, 0]
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			],
			"varVals": {
				"{1}": [8, 11],
				"{2}": [4, 6],
				"{3}": [4,7]
			},
			"varValLabels": [
				 "Height",
				 "Initial Velocity Y",
				 "Initial Velocty X"
				],
			"problemText": "A ball is thrown upwards from a height of %1 meters, with an initial y velocity Vy0 = +%2 m/sec and an initial x velocity of Vx0 = +%3 how long does it take to hit the ground? How many meters does it travel along the ground before making contact",
			"displayWidgets": ["s=.5at^2 + V0t + H0", "Initial Velocity"],
			"solvingFormulas": ["(function(b, c) { return (-1 * b - Math.sqrt(b * b + 4 * 4.8 * c)) / -9.8;})","(function(b, c, d) { return ((-1 * b - Math.sqrt(b * b + 4 * 4.8 * c)) / -9.8)*d;})" ],
			"inputWidgetUnits": ["sec", "meters"]
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}