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Posts by hania

Total # Posts: 20

physics
One second after being thrown straight down an object is falling with a speed of 20m/s. How fast will it be falling 2 seconds later

Bio physics chemistry pre medical
Methane react with steam to form h2 and co. . what volume of h2 can be obtained from 100cmcube of methane at the standard temperature and pressure? ?

Bio physics chemistry pre medical
Vitamin a has a molecular formula c 20 h 30 o. How much no of molecules will vitamin a contian in 500mg capsule? ? Plz tell me now tomorrow is my test .I will be very grateful of u. .

Bio physics chemistry pre medical
Vitamin a has a molecular formula c 20 h 30 o. How much no of molecules will vitamin a contian in 500mg capsule? ? Plz tell me now tomorrow is my test .I will be very grateful of u. .

Bio physics chemistry pre medical
Methane react with steam to form h2 and co. . what volume of h2 can be obtained from 100cmcube of methane at the standard temperature and pressure? ?

business
Marilyn was supposed to pay $1410 to Bernice on March 1. Some time later Marilyn paid Bernice an equivalent payment of $1530.22, allowing for a time value of money of 4.8% compounded monthly.

physics
i get it wring when i enter it

physics
i don't know

physics
i didn't get the right answer

physics
can you help more, i didn't get the right answer..i didn't get where you got 7.8 from

physics
what equations do i use?

physics
A clock has an aluminum pendulum with a period of 1.000 s at 20.3 °C. Suppose the clock is moved to a location where the average temperature is 28.1 °C. (The linear expansion coefficient for aluminum is 2.20 10-5 °C−1.) (a) Determine the new period of the ...

physics
A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...

physics
An 73-kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period of 6 s. the spring constant of the bungee cord is 80.1 and max speed during oscillation is 14.7 m/s Treating the bungee cord as a spring with no ...

physics
if the mass is 9 kg instead of 8, would the L be 21.9

physics
how did you figure out distance from the center of mass?

physics
A 1-kg mass (the blue mass) is connected to a 8-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...

Guest
then

geography
How does geography help newspaper reporters

physics
27.8*9.81+27.8*1.22=306.634

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