This is how I recorded my data.

Items	Mass	Trial #1	Trial #2	Trial #3
Spaghetti O's Can	492.7 grams	11 ft. 4 I n.	11 ft. 10 1/2 I n.	15 ft. 2 1/2 I n.
Chocolate Milk Powder Jug	147.7 grams	11 ft. 4 1/2 in.	6 ft. 8 1/2 in.	12 ft. 11 in.
Pinecone	25 grams	21 ft. 4 in.	18 ft. 2 1/2 in.	23 ft. 2 in.
Plastic Golfball	5.2 grams	25 ft. 1 in.	25 ft. 1 in.	24 ft. 11 in.
Golfball	46.6 grams	32 ft. 1/2 in	28 ft.	31 ft. 8 1/2 in.
Vollyball	270.6 grams	19 ft. 3 in.	17 ft. 5 in.	18 ft. 5 in.
Tennis Ball	58.5 grams	25 ft. 1 1/2 in.	24 ft. 5 in.	24 ft.10 1/2 in.
Tape Ball	217.6 grams	14 ft	15 ft. 1 in.	14 ft.
Baseball	145.7 grams	20 ft. 6 in.	19 ft. 4 in.	21 ft. 1 1/2 in
Plastic Hoseshoe	43.4 grams	15 ft. 8 1/2 in.	20 ft. 3 in.	19 ft. 2 1/2 in.
Sweet Potato	362 grams	14 ft.	unable to launch again	exploded
Plastic Toy Car	18.3 grams	22 ft. 2 in.	22 ft.	19 ft. 1 in.
Shirt	77.8 grams	14 ft.	12 ft. 3 in.	11 ft. 8 in.