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1. ### physics hw question?

...h * 22ft/s / 15mi/h = 80.7 ft/s From v² = u² - 2ad we get ( for final v = 0) min d = (80.7ft/s)² / 2*30.3ft/s² = 107 ft max d = (80...

1 Answers · Science & Mathematics · 14/10/2020

2. ### I need help in physics?

I think that by "6" you meant "Θ". A) max height when Θ = 90º -- max h = (V·sinΘ)² / (2g) = (100m/s * 1)² / 2*9.8m/s² = 510 m B) min height when Θ = 0º → h = 0 m Hope this...

3 Answers · Science & Mathematics · 09/10/2020

3. ### A 19.0-kg cannonball is fired from a cannon with muzzle speed of 950 m/s at an angle of 42.0° with the horizontal.?

... + m1*g*h1 = 9.5*706²+19*9.8*20,616 = 8,573,750J For the second ball: Vxo = 950*cos90 = 0 m/s Vyo = 950*sin90 = 950m...

2 Answers · Science & Mathematics · 01/10/2020

4. ### physics relative motion?

...simultaneously moving at 6 mph north relative to the ground.  So we need to add these two velocities (by vector addition).  Since the ...

1 Answers · Science & Mathematics · 29/09/2020

5. ### Write an equation that describes the position x of a particle in relation to the time t?

angular speed ω = V/r = 0.8/0.4 = 2.0 rad/sec  = 2*PI*f f = 2/(2PI) = 1/PI Hz T = 1/f = PI sec  PI being equal to 3.14159.... X = V/(sin (ω*t))

3 Answers · Science & Mathematics · 01/10/2020

6. ### How do you solve this physics question?

Presumably we ignore air resistance, Not a very good approximation for a ski jumper who generally tries to become a wing to generate lift and stay in the...

6 Answers · Science & Mathematics · 21/09/2020