At impact, the velocity is -18 m/ s , so v = u + at gives -18 m/ s = 18m/ s - 9.8m/s² * t t = 3.7 seconds

1 Answers · Science & Mathematics · 24/09/2020

...the bottom K = 1/2 mv^2 is just K =

**U**-W --> 1/2 mv^2 = mgL*sin(q) - f*L**v**= sqrt(2*(gL*sin(q) - f*L/m)) = 2.26 m/**s**THe other way is to use forces: ma...3 Answers · Science & Mathematics · 21/05/2020

...cm = 0.0005 m initial transverse velocity u = 0 s = u *t + ½at² 0.0005 m = 0*t + ½*8.34e13m/s²*t² t = 3.46e-9 s to cross between the plates so v = d / t = 0.026m / 3.46e-9s = 7.5e6 m/ s If...

1 Answers · Science & Mathematics · 08/03/2020

5) velocity at mid point = sq.root {( 3x3+9x9/2}=6.708m/sec. 6) S = it + 1/2 at’2. Ie., 36= ux4+1/2 2x16 Ie., u = 5m/sec and so, velocity at mid point of intersection is V ’2 = 25+2x2x18 = 97 So that V = 9.848 m/sec. 7) height of balloon when stone...

1 Answers · Science & Mathematics · 11/10/2020

..., since "Hockey Stick Mann'

**s**" court defeat. You see the same desperation by guys like.... https://www.youtube.com/watch?time_continue=446&**v**=1L530b4nnQ818 Answers · Environment · 18/09/2019

The Highwayman? https://www.youtube.com/watch?

**v**=4S43ASGEOuU2 Answers · Entertainment & Music · 10/05/2019

...distance travelled = length of the train, s = 6.00 x 10² m = 600 m s = ½( u + v )t t = 2s/( u + v ) t = 2*600/(23.61+3.89) t = 43.64 s

1 Answers · Science & Mathematics · 27/09/2018

...the ball hit the ground?

**v**=**u**+ at**v**= 2.8 + (-9.8)(1.189)**v**= -8.854 speed... magnitude of velocity**v**= 8.9 m/**s**to the two significant digits...question numerals b. How**long**after the first ball is...1 Answers · Science & Mathematics · 01/03/2018

... the motion a = - 0.2 / 0.03 = -6.67 m/

**s**^2**v**=**u**+ at 0 = (10 / 3.6) - 6.67(t) t = 0.417**s s**= s0 + ut + (a/2)t^2**s**= (10/3.6)(0.417...m Patch was at least 57.8 cm**long**for puck to stop (could have been longer ...3 Answers · Science & Mathematics · 11/01/2018

...baseball to reach the fence The horizontal motion is a uniform velocity motion : s (x) = v (x) t 116 = ( u cos28°) t u = 116 / (t cos28°) …… [1] The vertical motion is a uniform...

2 Answers · Science & Mathematics · 20/01/2017