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1. ### help with physics?

... generator which is not used in motor vehicles. For that generator your set up is correct. It gives the correct...

3 Answers · Science & Mathematics · 08/05/2019

2. ### Physics question - spring constant?

Δh = 5.90-1.35 = 4.55 m 31.9^2 = Vo^2+2*g*Δh Vo = √31.9^2-19.612*4.55 = 30.47 m/sec k*x^2 = m*Vo^2 k = m*Vo^2/x^2 = 0.035*30.47^2/0.111^2 ≅ 2640 N/m

1 Answers · Science & Mathematics · 01/06/2019

3. ### ball rolling on a hemisphere.?

a) (mVmax^2) / r = m g Vmax = sqrt(g / r) b) L = r m sqrt(2/3)Vmax L = m sqrt(2 g r / 3) c) Em = 1/2 m V^2 - m g r (1 - cosα) V^2 = [Vmax^2 + 2 g r (1 - cosα)] then Em = 1/2 m [Vmax^2 + 2 g r (1 - cosα)] - m g r (1 - cosα) Em = 1/2 m...

2 Answers · Science & Mathematics · 06/08/2019

4. ### Help 10 points?

25 mile/hr = 6.94 m/sec 6 mile/hr = 1.67 m/sec deceleration = (1.67 m/sec - 6.94 m/sec) / 10 sec = -0.53 m/sec^2

2 Answers · Science & Mathematics · 29/09/2019