Tri

also how would you do a police car stopped at a set of lights has a speeder pass it at 100km/h If the police car can accelerate at 3.6 m/s^2 a)how long does it take to catch the speeder> b) how far would the police car have to go before it catches the spe...

18 years ago

What 's the difference between Compensated Variation (CV) and Equivalent Variation (EV) ?

17 years ago

A general question: if a train goes north at x m/s with a weight of xxxx, and another train goes west at x m/s with a weight of xxxx, they collide and couple together, what direction will they be gonig and at what velocity. how would you solve this questi...

17 years ago

A baseball is hit at 35.0m/s at an angle of 25.0 degrees to the horizontal. How high will the ball go> When will it reach that height? How far across the baseball field will the ball travel? Thanks.

17 years ago

If a plate is dropped and comes in contact with a hard floor vs a playe coming in contact with a carpet, which has the greater impulse?

17 years ago

A first-order reaction initially proceeds at a rate of 0.5 mol/ls. What will be the rate when half the starting material remains? When one-fourth of the starting material remains?

17 years ago

How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?

17 years ago

How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?

17 years ago

when is the Kinetic energy of the satellite the greatest and the least? Potential energy the greatest? The least?

17 years ago

A student thrusts a 0,20T magnet with a cross sectional area of 2.0 cm^2 into a coil of 400 turns in 0,50s. The coil has a resistance of 30 ohms and it is connected in series with a moving coil meter having a resistantace of 170 ohms. What is the average...

17 years ago

what is a good explanation for: Many enzyme catalyst reaction start out as 1st order and as time passes by it becomes 0 order. Why?

17 years ago

2HCr4- + 3HS03- + 5H+ -> 2Cr3+ + 3SO4^2- + 5H20. At t=0, 0.0249 mols of HCr04- are loaded in to 250ml of solution. After 1/10 of an hour, 0.00852 mol of HCrO4- remain. Assuming the solution volume remained the same, how many grams of water were formed per...

17 years ago

T1/2 depends inversely on k why ? T1/2 depends inversely on k and directly on the initial concentration of the reactants in question. What is the order? -is the order 0 or 2nd? I think it is 0 because the [] is on top opposed to 1/[]

17 years ago

Oh my my test is coming up and I have no idea how to do these questions and when I asked my teacher for help he said you should do it yourself.... Thanks! An intermediate step in the production of battery acid, sulfuric acid, invoves the information of su...

17 years ago

An intermediate step in the production of battery acid, sulfuric acid, invoves the information of sulfur trioxide gas from sulfur dioxide and oxygen gases. (this reaction is also the usual first step in the production of acid rain). The Kp for this reacti...

17 years ago

A <---> 2B + C at a certain temperature the equilibrium pressure of the system is 0.318atm. Determine Kp for this reaction. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2B + C = 0.318atm /3 = 0.106 CO2 = 0.106 atm NH3 = 2(1.06) atm =0.212 atm Kp = PNH3 ^2 x P...

17 years ago

fe 3+ + scn- <-----> fescn2+ Apparatus and materials: 0.2 M Fe(NO3)3, 0.002M Fe(NO3)3, 0.002 M KSCN. PRELAB: for this section [fe3+]i = y [scn-]i = z and [fescn2+]eq = x using the symbols y,z,x, fill in the ice char. note that the rxn starts w/ reacts. on...

16 years ago

what is the area of a pastry used to cover a slice of bery pie having outer crust arc of 7.6 cm and a central angle of 30 degrees? My answer: 661.88 cm sqr Answer: 55.2 cm sqr Thanks.

16 years ago

Oh no! I just realized that I just had a test and for example 2sinx-sinx-1. If I answered theta = *whatever whatever... instead of x = *whatever and my teacher decides to deduct half marks for each question I do, what are some points that I can argue? Thi...

16 years ago

A tree is 12 feet tall and casts a shadow that is 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? Draw a picture proportional

5 years ago

Two angles are complementary if the sum of their angles is 180 A.true B.false

2 years ago

Which figure of speech is used in the sentence

2 years ago

Yeah, so therefor it is the same impulse? but J = FT The force is the same but the T interaction is different? or something?

17 years ago

thanks!

17 years ago

I think that is good cause the rate is proportional to [A] as it is first order?

17 years ago

nvm got it thanks :P

17 years ago

EMF = BLV i don't have the length but im trying to find the velocity?

17 years ago

Another question is when you invert it and times everything by negative 3 it would make the rates positive on the reactants side and negative on the products side. When you get the rate for that, do you make it positive or negative and why?

17 years ago

Everything was good until this happened: An intermediate step in the production of battery acid, sulfuric acid, invoves the information of sulfur trioxide gas from sulfur dioxide and oxygen gases. (this reaction is also the usual first step in the product...

17 years ago

both my shift buttons are broken sometimes it works. i think i got this question, another one is what special property of a substance encourages physical change of state?

16 years ago

Yeah that is right but he changed a question around and I guess not thinking I wrote theta instead of x... Sigh... needed this test mark to be high.

16 years ago

Thanks, I hopefully won't get any deductions!

16 years ago