# Yahoo Web Search

1. ### A block of mass 2.5 kg is attached to a horizontal spring that has a force constant of 1.40 103 N/m?

Given: m = 2.5 kg k = 1.40e3 N/m xi = -5.5 cm = -0.055 m (a) work W = ½k(xi)² = ½...

1 Answers · Science & Mathematics · 21/10/2020

2. ### How do I convert kg/yr to volume/year?

...55 m3/yr  is the first step to m^3/year 1 m^3 is 100x100x100 cm ^3 = 1,000,000 cm ^3 1 year approximates as 365.25 days  or 8,765...

3 Answers · Science & Mathematics · 20/10/2020

3. ### PHYSICS HELP?

500.0 rev/min / 60 s/min = 8.33 rev/s Let's find the angular acceleration θ = θ₀ + ω₀t + ½αt² 210.0 = 0 + 8.33(35.0) + ½α35.0²    α = -0.133 rev/s² A. At what rate is the flywheel spinning when the power...

1 Answers · Science & Mathematics · 20/10/2020

4. ### a piece of wire x cm is to be cut into two and make a square from it. the length of one side of one square is 12 times the length of the ot?

it is formed into two squares? basically, if z is one piece and y is the other z + y = x sides of each are z/4 and y/4 areas are z²/16 and y²/16 sum is z²/16 + y²/16 12(z/4) = y/4 12z = y x = z + y = z + 12z = 13z...

1 Answers · Science & Mathematics · 20/10/2020

5. ### What is the height h of mercury in the right side of the U-tube? Suppose that d1 = 2.0 cm and d2 = 5.0 mm .?

... / (πd²/4) = 4*1100cm³/s / π(0.50cm)² = 5602 cm /s = 560 m/s v = 4*1100cm³/s / π(2.0cm)² = 350 cm /s = 35 m/s...

1 Answers · Science & Mathematics · 20/10/2020

6. ### Physics question ?

net force = weight - electrostatic force m*a = m*g - qV/d q = m*(g - a)*d / V q = 1.50e-14kg * (9.81 - 1.80)m/s² * 0.0940m / 980V q = 1.15e-17 C (an excess of 72 electrons) Not much of a diagram; just the weight down (m*g) and the electrostatic force up (q*E = q*V/d; the field...

3 Answers · Science & Mathematics · 19/10/2020

7. ### Physics question pls help!?

find the velocity of the block + bullet mass just after impact a = 2s/t² = 2(0.80)/2.0² = 0.4 m/s² v = at = 0.4(2) = 0.8 m/s conservation of momentum during the impact 0.025u + 25.0(0) = (25.0 + 0.025)(0.8) u = 800.8 ≈ 801 m/s Please remember to select a Best Answer from among your...

2 Answers · Science & Mathematics · 19/10/2020

8. ### Two Blocks Pulley?

1 Answers · Science & Mathematics · 20/10/2020

9. ### Help with physics spring problem?

...e) PS = PE      1.5 = 1.0(9.8)h        h = 0.15306... ≈ 15.3 cm f) 1.5 J   Spring potential has converted to gravity...

1 Answers · Science & Mathematics · 18/10/2020

10. ### A diver 45 m deep in 10∘C fresh water exhales a 0.50 cm diameter bubble.?

...283k = 1.01e5Pa * d³ / 293K solves to d = 0.89 cm Hope this helps!

1 Answers · Science & Mathematics · 19/10/2020