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navik [9.2K]
3 years ago
12

Which illusion or test was most difficult for you to perceive correctly? Why do you think this particular illusion was so challe

nging for you?
Physics
1 answer:
Alecsey [184]3 years ago
4 0

Answer:

test 5 seemed to be the hardest for me to perceive in account i only saw three f's when there was indeed 6 it was very difficult to find the f's even going very slowly.  

Explanation:

correct on edge

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a car travels at 50 m/s for first 20 seconds , 30 m/s for next 30 seconds and finally 20 m/s for next 10 seconds . find its aver
kaheart [24]

The average speed traveled by car is 35m/s.

1^{st} case

  • Speed=50m/s\\
  • Time =20s

       Distance = speed*time= 50*20=1000m

2^{nd} case

  • Speed=30m/s
  • Time=30s

       Distance=30*30=900m

3^{rd} case

  • Speed=20m/s
  • Time=10s

       Distance=20*10=200m

Now, The total distance=(1000+900+200)m=2100m

        Total time=(20+30+10)s=60s

       Average distance =\frac{total distance}{total time} = \frac{2100}{60}=35m/s

To learn more about Average speed, refer to:

  • brainly.com/question/21097620

3 0
2 years ago
PLEASE ANSWER NEED HELP!!!!!!!! PLEASE THE CORRECT ANSWER!!!!!!
Leya [2.2K]

Answer:

c

Explanation:

5 0
3 years ago
What will be the change in velocity of a 850kg car if a force of 50,000 N
yKpoI14uk [10]

Answer:

29.412m/s

Explanation:

F=ma where F= force, m= mass, and a=acceleration

we also know that,

a = Δv / t where Δv = change in velocity and t = time

thus F = m ( Δv / t)

50000=850(\frac{v}{0.5})

\frac{50000}{1700}= Δv

29.412m/s=Δv

8 0
3 years ago
Two cars are involved in a crash (no one was hurt in the accident). If
Lunna [17]
Im fairly certain that the answer would be D, and this is because of the law of conservation of energy/momentum.
8 0
3 years ago
The time lag between education of a muscle cell and the beginning of contraction is known as the ______
Alexus [3.1K]
I think it will be muscle contraction. Hope this helps! Mark brainly please!
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3 years ago
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