# Posts by elias

Total # Posts: 32

Physics
The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically ?r=0.002. Suppose a 180,000 kg locomotive is rolling at 19 m/s on level rails. A) If the engineer disengages the engine, how much time will it take the locomotive to coast ...

Physics
A 4500 kg truck is parked on a 7.0? slope. How big is the friction force on the truck?

I solved it and when I checked it with my teacher, it was wrong.

The top of the pool table is 3.05 ft from the floor. The placement of the tape is such that 0 feet aligns to the edge of the table (as shown). The winner of the competition wants to know if he has broken the world record for the break shot of 32 mph. His ball landed a distance...

pysic
If you stick a piece of transparent tape on your desk and then quickly pull it off, you will find that the tape is attracted to other areas of your desk that are not charged. Why does this happen?

life orientation

math - hw help
diagram is mess up =(

math - hw help
A rectangular picture is 3cm longer than its width, (x+3). A frame 1 cm wide is placed around the picture. The area of the frame alone is 42 cm^2. Find the length of the picture _______cm. _________________ ________ ! ! ! ! ! ! ! ! !x+6 ! ! ! ! ! ! ! !_______! ! x+3 ! ...

Math
how is the quotient 80000/2000 different from 80000/200 or 80000/20?

physics
A car traveling at 27 miles per hour rounds a curve such that it has a centripetal acceleration of 8.7 m/s2. To the nearest meter, what is the radius of the curve?

CIVICS!!!
I am pretty sure it is B

chemistry
I don't know

2.went

Greenhill
7/8

calculus
if log (x) = -0.123, what does x equal?

chemistry
determine the mass of a 50.0mL sample of your salt solution. Report the mass as a number and use all lower case letters to spell out the word(s) in the unit(s). y = 1.049 x + 0.096

Spanish
d, c, b, d, d, d, b

english
Hey friends i need some help on this . . . . . 1) put there following sentences in a correct coherence order a) He is not a writer b) He can not be otherwise c) or he is not a commentator d) A reporter is just that a reporter.

math
If you google it, you will find it. I would put a link but I'm not able to (jiska rules)

math
I need help with the math textbook stretching and Shrinking page 89, questions 33 and 34. THANK YOU TO WHOEVER HELPS ME :D

physics
This isn't so much a question, but a query: What does this mean? K.E. = 1/2 mv2 I can do the homework on my own if someone lets me know. Thanks.

PHI 103
No

Physics
care to help me out jin hwang?

Physics
A car starts from rest and travels for 6.0 s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 3.0 s, how fast is the car going at the end of the braking period? damon can u ...

Physics
A car starts from rest and travels for 6.0 s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 3.0 s, how fast is the car going at the end of the braking period?

math
mr smith wants to increase the size of his circles radius by 2 feet write a formula that can be used to find the circumference of the large circle

Math
I counted 2,am I right?

Math
A line segment that is 2 4/8 inches long, how many half inches is it?

math
A Line segment that is 2 4/8 inches long, how many quarter-inches long is it?

input output table
how to find the rule of input output table?