Wednesday
December 11, 2013

# Posts by Kesha

Total # Posts: 112

physics
A pitcher claims he can throw a 0.146 kg baseball with as much momentum as a 3.37 g bullet moving with a speed of 15238 m/s. What must be its speed if the pitcher’s claim is valid? Answer in units of m/s What is the kinetic energy of the bullet? Answer in units of J What ...

physics
Bill kicks a rock oﬀ the top of his apartment building. It strikes a window across the street 11 m away. The acceleration of gravity is 9.8 m/s 2 . If the window is 22 m below the position where Bill contacted the rock, how long was it in the air? Answer in units of s

physics
A cat chases a mouse across a 1.5 m high table. The mouse steps out of the way, and the cat slides oﬀ the table and strikes the ﬂoor 1.0 m from the edge of the table. The acceleration of gravity is 9.81 m/s 2 . What was the cat’s speed when it slid oﬀ...

Math
x+3y=1 -5x+4y=-24 Solve the linear system by using elimination

PSY Quiz
Hormones that regulate the development and functioning of reproductive organs are called ________ hormones. A. Endorphin B. Dopamine C. Melatonin D. Sex

so d is right thats what i got

arithmetic
If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?

physics
Oh no sorry didn't realize i repost but your formula was helpful

physics
What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

physics
What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

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