Tuesday
May 21, 2013

# Posts by Carmen

Total # Posts: 227

Physics
If a cylindrical space station 300m in diameter is to spin about its central axis, at how many revolutions per minute rpm must it turn so that the outermost points have an acceleration equal to g?

Physics
A man pushes on a piano of mass 180 kg so that it slides at a constant velocity of 12.0 cm/s down a ramp that is inclined at 11.0degrees above the horizontal. No appreciable friction is acting on the piano. Calculate the magnitude and direction of this push (a)if the man pushe...

Physics
You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically, such satellites orb...

Physics
Calculate the radial acceleration of an object at the equator of Jupiter (which takes 0.410 day to spin once), turning with the planet. (in )

Physics
Suppose you discover your grandfather's collection of Caruso records from the early part of the century. These disks played at 78.0 revolutions/minute (rpm) and were 9.00in. in diameter. What was the radial acceleration of a point on the rim of such a record as you listene...

physics
A tornado lifts a car to a height of 125m above the ground. The tornado flings the car horizontally with a speed of 90.0 m/s. How long does the car take to reach the ground?

physics
A merry go round makes 2 revolutions every 2 s. A child is sitting 1.80 m from the center. Calculate a)The period of the merry go round b)the speed of the child in his position c) the centripetal acceleration of the child d) the net horizontal force on the child if his mass is...

math
how many lines of symmentry on a v

HRM
Contrast pay ranges and grades with bands. Why would you use either? Does their use assist or hinder the achievement of internal alignment? External competitiveness?

Psych
How does nature and nurture contribute to one’s self-efficacy?

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