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sleet_krkn [62]
3 years ago
12

Need examples of a science fair project, this project need to require some sort of data (any type of science)

Physics
1 answer:
Natasha_Volkova [10]3 years ago
4 0
Put vinegar in a water bottle with no water, fill a balloon with baking soda, without pouring the baking soda in the vinegar put the balloon on the water bottle, then lift it so the baking soda goes in the vinegar, this will blow up the balloon
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Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball
Lilit [14]
Simply because the baseball is much lighter than the bowling ball. Making it easier for the average adult to throw the baseball farther than the bowling ball
5 0
3 years ago
a bus moving at speed of 25m/s beginning to slow at rate 4m/s^2each second how long does it take to stop​
Paladinen [302]

Explanation:

Initial velocity is 25m/s i.e. u. Final velocity would be zero since the bus stopped. It is noted that the bus deccelartion of 4m/s, so the acceleration should be considered negative of 4m/s I.e. 4m/s. So using third law of motion i.e.

v^2 - u^2= 2as

(0)^2 - (25)^2= -2×4×s {Note here I used minus sign in acceleration}

-625 = -8×s

s=625 ÷ 8

s= 125 m

So bus would cover a distance of 125m before coming to rest.

3 0
3 years ago
Which of the following most likely causes Earth's inner core to be a solid?
Natalka [10]
B the metals in the core are very heavy
4 0
3 years ago
Can anybody help me please?
vovangra [49]

Answer:

1,2,5

Explanation:

7 0
3 years ago
Your dog ran 400 kilometers due north. Your dog then turned around and ran 300 kilometers due south. What was your dog's displac
Leno4ka [110]
400 km - 300 km = 100 km, since the dog stopped only 100 km away from where he had originally started out.
6 0
3 years ago
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