Saturday

April 19, 2014

April 19, 2014

Total # Posts: 11

**physics**

A car travelling 19.4m/s passes apolice car at rest.As it passes, the police car starts up, accelerating with a magnitude of 3.2m/s. Maintaining that acceleration, how long will it take the police car to catch up with the speeding motorist?

**physics**

A 1.2kg object is placed on a frictionless table and is attached to a hanging mass using a light string over a frictionless pulley in a fletcher's trolley arrangement. The 1.20kg object accelerates along the table at 2.31m/s while the hanging object accelerates down at the...

**physics**

A child accelerates upwards in an elevator which causes his apparent weight to become 405N. Determine the magnitude of the elevators acceleration if his normal weight is 400N.

**English**

At least do a little thinking. Tell us which answers you choose, and we will tell you if they are "right". If we spoonfeed them to you, it's cheating.

**Chemistry**

Could NH4 ever be a gas?

**physics**

Im confused! How would you calculate the work done by a plane? I know work= f d, i just dont know how to get the force and distance!

**Math**

yep....

**Math**

A few here. 4x-8 ------ x(squared)-4 _________________________ 2m(squared)+5m-3 ------------------ m(squared)+4m+3 __________________________ 3x+4 ----- 12 (times) 8 ----- 9x+12 ________________________ x+5 ----- 16x (divided by) 3x-2 ----- 4x(squared) ____________________ 2-x...

**10th grade**

what chemicals are being added together in the chemical equation of 2HCL + Ca -> CaCl2 + H2

**honors world history**

how was the relationship between a Frankish king and the pope beneficial to both?

**math**

1/3 of 18 find the part of each number the part of each # is 6 !!!!!!! duh thank you i am i 4th and needed help

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