Physics, 13.07.2019 05:20 alyxxboothe

If a sound is 30 db and its absolute pressure was 66 x 10-9 pa, what must have been the reference pressure?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 21:30, spycn7717

Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s

Answers: 1

continue

Physics, 22.06.2019 03:00, iicekingmann

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

Answers: 1

continue

Physics, 22.06.2019 05:00, hannahhoskings6989

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

Answers: 1

continue

Physics, 22.06.2019 05:30, 444x4gang4

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Answers: 1

continue

You know the right answer?

If a sound is 30 db and its absolute pressure was 66 x 10-9 pa, what must have been the reference pr...