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1. ### The pulley system shown in figure 22 is used to lift a 52 kg crate. Note that one chain connects the upper pul?

it would help a great deal to see Fig. 22

2 Answers · Science & Mathematics · 12/10/2010

2. ### A string under a tension of 22 N is used to whirl a rock in a horizontal circle of radius 2.8 m at a speed of?

22= m(23.29)^2/2.8 Solving for m = 0.114 kg Now you want F = (0.114 kg) (79.1)^2/ 1.139 m F= 626.23 N for the breaking stength

1 Answers · Science & Mathematics · 06/12/2013

3. ### A string under a tension of 22 N is used to whirl a rock in a horizontal circle of radius 3 . 9 m at a speed o?

... to find the mass of the rock m*v^2/r = T m = T*r / v^2 m = 22 N * 3.9 m / (17.82 m/s)^2 = 0.27 kg Now use the same equation to find the new tension T = m*v^2/r T = 0.27 kg * (70...

1 Answers · Science & Mathematics · 02/02/2014

4. ### Which thing uses 22 cents per KWh?

...of electric power consumption. It is equal to energy of 1000 watt is used for one hour. 1KWh =(VI t)/(3600*1000) here V is potential...

3 Answers · Science & Mathematics · 12/05/2011

5. ### A portable electric heater uses 22.3 A of current. The manufacturer recommends that an extension cord attached?

We can use P = I²R to find the resistance (R) of the wire: R = 1.14 W/22.3² A² = 0.002 Ω But this is for the...

1 Answers · Science & Mathematics · 26/09/2012

6. ### using logarithmic Properties?

ln(x) - ln(22) ln(x) - (ln(2) + ln(11)) ln(x) - ln(2) - ln(11) ♣♦

2 Answers · Science & Mathematics · 19/01/2011

7. ### A 22 g bullet is accelerated in a rifle barrel 37 cm long to a speed of 505 m/s. Use the work-energy theorem t?

... v = 505 Plug and chug to find acceleration a and if you need time, use d = .5at^2 where d= .37 and a you just found.

2 Answers · Science & Mathematics · 18/01/2012

8. ### Takeshi raises a 1030 N piano a distance of 5.00 m using a set of pulleys. He pulls in 22.0 m of rope.?

(a) 1030x(5/22) = 234 N (b) 340 - 234 = 107 N (c) 1030 x 5 = 5150 J (d) 340 x 22 = 7480 J (e) ideal mechanical advantage = 22/5 = 4.4 with efficiency = 234/340 = 5150/7480 = 0.689 actual mechanical advantage = 1030/340 = 3.03

1 Answers · Science & Mathematics · 10/12/2008

9. ### If a 22 N force is used to compress a spring with a spring constant of 5.0×102 N/m, what is the resulting spri?

22 / 500 meters

1 Answers · Science & Mathematics · 31/03/2010

10. ### a player uses a hockey stick to increase the speed of a .200 kg hockey puck by a 6 m/s in 22 seconds?

a = ??? vo = 0 m/s vf = 6 m/s t = 22 sec (are you sure it is not 2.2 seconds? Seems more reasonable...

1 Answers · Science & Mathematics · 12/04/2010