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1. ### A 1.0 kΩ resistor is rated ½ W. (It will bedestroyed if the rate of heat dissipation is greater than ½ W.)?

Yeah, it's a little tricky. You need to combine the P=VI and V=IR formula to create the one you need. You have a power P (0.5 W), and a resistance, R (1kΩ) and you want to find a voltage, V. That means you want to...

3 Answers · Science & Mathematics · 18/06/2010

2. ### How far does the spring compress? I have no idea...?

K = 1/2mv^2 K = .35J W = Fd F compression will be...

5 Answers · Science & Mathematics · 29/11/2012

3. ### A 150 gram bullet is fired from a 3.0 k.g gun...?

Conservation of momentum: Initial momentum = 0 = final momentum = mgun vgun - mbullet vbullet Solve for the recoil speed of the gun: vgun = vbullet mbullet / mgun They give you the bullet's speed and the masses. Plugnchug.

2 Answers · Science & Mathematics · 08/07/2008

4. ### A 2.2 kΩ resistor in a stereo system dissipates 42 mW of power. what is the voltage across the resistor?

P = E²/R .042 = E²/2200 E² = 92.4 E = 9.61 volts .

1 Answers · Science & Mathematics · 06/02/2009

5. ### How to estimate the saturation pressure of chlorine at 300 K?

You probably use either the Clausius-Clapeyron equation, or its modified form, the Antoine equation (for slightly greater accuracy). Use which ever equation for which you have data for chlorine. These equations express saturation...

1 Answers · Science & Mathematics · 04/02/2010

6. ### why no one is helping me here.. got 2 physics question urgent urgnet urgent plz help?

F = K*X = 3.5 N.m * 0.07 m T = 2pi*sqrt( m / K ) = 6.28...

2 Answers · Science & Mathematics · 18/10/2009

7. ### Question on force increasing or decreasing depending on dielectric (k=4)?? HELP?

You need more detail

1 Answers · Science & Mathematics · 09/12/2012

8. ### finding the intial speed closest to x=0?

K = 300 eV = 300*{1.602*10^(- 19)} J => (1/2)mu² = 300*{1.602...

1 Answers · Science & Mathematics · 24/06/2012

9. ### A 12.3kg ball is shot out of a cannon vertically up. The spring (k= 1.62x10^4 N/m) in the cannon is compressed by 61.7 cm to shoot the ball.?

This question has nothing to do with Personal Finance, and you will not get a useful answer here.

2 Answers · Science & Mathematics · 29/10/2019

10. ### A 2.2-kg object is suspended from a spring with k = 18 N/m. The mass is pulled 0.35 m downward from its equili?

You need to complete this question

1 Answers · Science & Mathematics · 15/04/2011