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1. ### Physics-sound and guitar string's tenison?

wave speed (velocity) = √(T / µ) so for the same wave speed on the two different strings we have 151N...order to have a tension of 2600 N, you'd need 151N / 7.0g/m = 2600N / µ which...

1 Answers · Science & Mathematics · 25/06/2019

2. ### physics problem?

time for the fruit to fall 5 m vertically is given by:   distance = 1/2 * acceleration due to gravity * time^2 horizontal speed = 20 m / time from above.

3 Answers · Science & Mathematics · 23/01/2020

3. ### Physics HELP?

... = 0.16² + v² for v in m/s and so v = 0.61 m/s ◄ The bee needs to build in a easterly component to ...wind. So his resultant southerly speed is v - 0.63m/s * cos15º...

1 Answers · Science & Mathematics · 12/09/2019

4. ### physics question! thank you?

...driver actually driving too slowly. Most drivers seek to exceed the speed limit at all times ( even when they are supposed to be ...

1 Answers · Science & Mathematics · 25/02/2019

5. ### Physics Problem - Time Dilation?

...still valid, just that as mass increases, the force needed to maintain that acceleration increases. time dilation...1–(1.65e7/3e8)²) = 1.0015 time slows down for the traveler so the 1000 days is seen...

2 Answers · Science & Mathematics · 21/07/2019

6. ### motion problem phyiscs ?

...m Please realize that at these speeds, neglecting air resistance is not a good assumption for most geometries. It... an initial downward velocity so we need to use  h = (vi)t + ½gt²...

1 Answers · Science & Mathematics · 06/01/2020

7. ### Why is the limiting mach number for the U-2 so low?

... down ni absolute value when the altitude does up, the stall speed goes up until both are almost the same. And that...thus heavier, which is not the way to go if the plane needs to be light.

4 Answers · Science & Mathematics · 14/07/2019

8. ### Physics exercise?

...impact forces themselves, then for velocity of C to be constant we need the impulse from friction in the same time interval... * f * t Sb = 14 m/s Speed of C isn't exactly constant because...

1 Answers · Science & Mathematics · 10/07/2019

9. ### Need help with Physics!!!?

1) Acc = speed/time = 92/13 = 7.1 m/s/s

1 Answers · Science & Mathematics · 10/02/2020

10. ### Physics Question: An electron with a speed of 7.28 × 108 cm/s in the positive direction of an x axis enters an electric field?

Then I've mistaken you for another poster that posted this question and then ...7.05e6 m/s = 7.05e8 cm/s Actually, we don't need the velocity V. We need the % KE lost, which...

2 Answers · Science & Mathematics · 08/09/2019