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related to: K

1. ### A spring elongates by 5 cm when a force of 60 N is applied to it. What is the spring stiffness k ?

k = F/d = 60/5 = 12 N/cm Springs and weight k = F/d   k is spring constant in N/m  F is force and d is deflection

1 Answers · Science & Mathematics · 27/01/2021

2. ### How do I figure out the mass of the propellant needed, given: Exhaust Vel: 3500m/sdry mass: 3,000 k /gTot Delta V: 600m/sBurn: 110 secs?

...fuel mass flow rate in kg/s which we assume to be constant. Let's call it k If m = initial mass of fuel  M = dry mass of rocket t = time where 0...

2 Answers · Science & Mathematics · 17/10/2020

3. ### A single mass (m1 = 2.7 kg) hangs from a spring in a motionless elevator. The spring constant is k = 306 N/m.?

1) Δx = mg / k = 2.7kg * 9.8m/s² / 306N/m = 0.086 m or 8.6 cm 2) F = mg...

3 Answers · Science & Mathematics · 29/07/2020

4. ### T^2=4pi^(2/ k )m+2pi/omega^2?

Exponents have no units so (2/ k ) has units of 1/kg Newtons = mass*meters/...

2 Answers · Science & Mathematics · 14/07/2020

5. ### A wave is described by y = 0.0198 sin(kx - ωt), where k = 2.00 rad/m, ω = 3.52 rad/s, x and y are in meters, and t is in seconds.?

wavelength λ = 2π/ k = 2π / 2.00rad/m = 3.14 m frequency f = ω/2π = 3.52rad/s / 2π = 0.560 Hz speed v = fλ = 0.560Hz * 3.14m = 1.76 m/s If you find this helpful, please select Favorite Answer!

1 Answers · Science & Mathematics · 09/11/2020

6. ### One mole of oxygen at 273 K and atmospheric pressure is adiabatically compressed to 5 atm. Calculate the final temperature. Also ?

... = ¹·⁴√[273¹·⁴ × (5/1)⁰·⁴] K = 432 K Work done one the gas = ΔPV = nR...

2 Answers · Science & Mathematics · 12/03/2021

7. ### A 34.5 kg mass bounces on a spring ( k =12 Newtons/m). What is the period of its motion?

T = 2√(m/ k ) T = 2√[(34.5 kg)/(12 N/m)] T ≈ 10.7 s

3 Answers · Science & Mathematics · 15/02/2021

8. ### What is the change in entropy of 1.00 kg of liquid water at 100°C as it changes to steam at 100°C?  Has to be in J/ K  ?

...  L = 2.260kJ/kg * 1.00kg = 2260 J T = 373 K ΔS = 2260J / 373K = 6.05 J/ K

2 Answers · Science & Mathematics · 10/03/2021

9. ### A spring with k =130.0 N/m on surface is mounted to a vertical wall . A 5.00-kg box on the surface is placed in front of the spring. The coef?

...86 N f = μN = μmg = (0.4)(5)(9.81) = 19.62 N Fs = k Δx = (130)(0.8) = 24 N 86 - 19.62 - 24 = (5)a a = 8.5 m/s²

1 Answers · Science & Mathematics · 31/05/2020

10. ### A mass on a spring ( k =30.0 N/m) vibrates back and forth with a period of 1.1 seconds, what is the object’s mass?

T = 2π√(m/ k ) → → m = kT² / 4π² so here m = 30.0N/m * (1.1s)² / 4π² = 0.919 kg

1 Answers · Science & Mathematics · 11/02/2021