Friday
December 13, 2013

# Posts by Rosie

Total # Posts: 79

physics
a penny dropped from the Empire state building. how far does the penny drop in 6 seconds? how fast will it be moving after 10 seconds?

physics
A net force gives a 10th kg object an acceleration of 2.0m/s . If the same force were applied to a 20 kg object what would its acceleration be?

english
help i need to know if this sentence is parallel Neither the searing pain in my toe nor the blinding rain in my face will keep me from finishing the race.

physics
PE= 294 work done= 294 power= 29.4

physics
An initially stationary 15.0-kg crate of cheese wheels is pulled via a cable a distance d= 5.70m up a frictionless ramp to a height of h= 2.50m, where it stops. What is the potential energy of the crate after it is lifted? How much work is done during the lift? If it takes 10 ...

physics
ke=1/2*2000kg*50 ke=50000

physics
A 2000 kg car is moving with a velocity of 50 km/hr. What is its kinetic energy? If the car reduces its speed by half, by what factor is the kinetic energy changed?

math
total amount for home= \$287,533.41 total interest= \$167,533.41 amount of first payment applied to princible is= \$148.06

Physical science
A projectile spends 20 seconds in the air. It reaches a peak height of 8 meters. How long does it take to reach it's peak height? The projectile has a range of 80 meters. What is it's horizontal velocity?

Physical science
A projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. How long does it take to reach it's peak height

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