# Yahoo Web Search

1. ### A student stands at the edge of a cliff and throws a stone horizontally over the edge ?

1 Answers · Science & Mathematics · 01/02/2021

2. ### HELP WITH PHYSICS?

...(-9.8)(1.1)² s = 4.7 m Yes, the kick is successful (d) v = u+gt v = 9.7 + (-9.8)(1.1) v = -1.1 m/s The negative sign shows...

1 Answers · Science & Mathematics · 27/10/2020

3. ### Two 4.4 μF capacitors, two 2.5 kΩ resistors, and a 11.4 V source are connected in series.?

...1.5•5 = 7.5 volts voltage across cap = 11.4–7.5 = 3.9 volts v = v₀[1–e^(–t/τ)] 3.9 = 11.4[1–e^(–t/11m)] 1–e^(–t/11m) = 0.3421...

1 Answers · Science & Mathematics · 02/05/2019

4. ### Help with physics?

... speed without needing a longer rope. Maybe we are to... should've been stated in the question. For speed ...that to stay constant, then if you increase v by a factor of 1.1, you have to increase...

1 Answers · Science & Mathematics · 11/02/2019

5. ### Physics problem about acceleration, air friction and terminal speed. Any help, assistance or tips are welcomed.?

...of a wonky kinematics question. As stated , it simply means: "A...under gravitational acceleration. How long does it take for him to...less than 55 m/s." u = 0 m/s v = 55 m/s a = 9.8 m/s² t...

2 Answers · Science & Mathematics · 21/09/2017

6. ### According to Newton's Second Law, does an instantaneous force cause an object to reach the velocity of its acceleration?

...acceleration of 10 m/sec^2. That acceleration will occur for as long as the force is applied. In practical...the acceleration times the amount of time it acts, ( v = at). So for 0.1 seconds the velocity will be...

3 Answers · Science & Mathematics · 23/06/2017

7. ### College physics help. Please!?

...question 1. As before, when v = 0.6c, γ = 1/0.8; when v = 0.8c, γ = 1/0.6, so the ratio is (1/0.6)/(1/0.8...energy goes as 1/n², so the energy of the n=2 state is -13.6/4 = -3.4eV and the energy of the n...

1 Answers · Science & Mathematics · 23/05/2017

8. ### Rank the magnitude of the potential differences across light bulbs A,B,C,D, E from largest to smallest, of any have the same PD state it.?

... = V /Req = V /(1/(1/R+1/R)) = V /(R/2) = 2V/R = 2x Ampere (Req...2 generates the least amount of power and will thus last the longest .

1 Answers · Science & Mathematics · 14/05/2017

9. ### Estimate how long it took King Kong to fall straight down from the top of the Empire State Building (380m high?

Assuming no air resistance s = u t g t²/2 s = 380m u = 0 m/s g = 10 m/s² t = √(2 s/g) = 8.72 secs v² = u² 2 g s u = 0 m/s g = 10 m/s² s = 380 v = 87.2 m/s

1 Answers · Science & Mathematics · 18/01/2017

10. ### What is the maximum height above ground reached by the ball?

...-Fall and this should be STATED in the question so that one is...constantly in a vertically downward direction as long as the object is in flight... = 2.01 m ANS (a) V = √2gh = √2(9.8)(2.01) = √39.396...

2 Answers · Science & Mathematics · 17/01/2017

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