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saw5 [17]
3 years ago
5

If a person is throwing darts at a target, and shoots three in a row in the same spot on the 20 section outer ring, but none in

the bullseye, this person's throwing could be described as_____.
a. accurate, but not exact
b. recise, but not accurate
c. accurate, but not precise
d. exact, but not precise
Physics
2 answers:
Gwar [14]3 years ago
6 0
a) precise but not accurate. 

this is because the thrower was capable to repeat the same result everytime but it was not the desire outcome.
aleksklad [387]3 years ago
5 0
Answer: option b) precise but no accurate.

Accuracy accounts for the ability to obtain the real or target result. In this case, the bullseye. Definetely the person was not accurate because couldnt hit the targe.

Precision refers to the ability to repeat a measure of obtain the same result. In this case the person was able to repeat the the same spot several times, so he/she is precise.

 
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A 920 kg cannon fires a 3.5 kg shell at initial acceleration of 95 m/s^2. What is the cannon's recoil force?
Mice21 [21]

Answer:

The cannon recoils with a force of 332.5 N

Explanation:

By Newton's third law Recoil force on cannon = Force in shell.

Force in shell = Mass of shell x Acceleration of shell

Mass of shell = 3.5 kg

Acceleration of shell = 95 m/s²

Force in shell = 3.5 x 95 = 332.5 N

Recoil force on cannon = 332.5 N

So, the cannon recoils with a force of 332.5 N

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