Saturday
December 7, 2013

# Posts by Olivia

Total # Posts: 395

English
Thank you Ms. Sue!

English
I need help with this question. I just don't understand what it's asking me. Could someone tell me how I should start it, please? Thank you! Writers often communicate their themes by building clues into the story. Choose one story from Collection 4 and show how the aut...

Physics
A block starts at rest and slides down a fric- tionless track. It leaves the track horizontally, flies through the air, and subsequently strikes the ground.What is the speed of the ball when it leaves the track? The acceleration of gravity is 9.81 m/s2 .

Physics
A subway train starting from rest leaves a station with a constant acceleration. At the end of 5.24 s, it is moving at 13.4144 m/s. What is the train’s displacement in the first 3.42696 s of motion?

Physics
A subway train starting from rest leaves a station with a constant acceleration. At the end of 5.24 s, it is moving at 13.4144 m/s. What is the train’s displacement in the first 3.42696 s of motion?

physics
thank you so much!

physics
How long does it take a 20 kW steam engine to do 7.3×10^7 J of work?

math
prove -x-y=-y-x, for all integers

Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 119.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it hits. Data: clead = ...

Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 119.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it hits. Data: clead = ...

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