natali
This page lists questions and answers that were posted by visitors named natali.
Questions
The following questions were asked by visitors named natali.
the solubility of argon in water at 25 degrees celcius is 0.0150M. what is the henry's law constant of Ar if the partial pressure of argon is 0.00934 atm. A)0.000140 M/atm B)0.623 M/ atm C)1.61 M/atm D) 4.10 M/atm K=Pgas/Cgas Post your work if you get stu...
18 years ago
A 1100kg car starts from rest, accelerates for 5 seconds. The magnitude of acceleration is (a)= 4.6m/s2. find the average power generated by the net force that accelerates the vehicle? what do i do here i know that F=ma= 1100x4.6=5060=F and Wnet = 1/2mvf2...
18 years ago
a 58kg skier is coasting down a 25degree slope with a kinetic friction force of 70N. initial speed is 3.6 m/s and distance traveled is 57m. find final velocity? i need some help on this i don't know where to start. i know W=F x cos theta x distance is the...
18 years ago
A ball of mass 0.15kg is dropped from rest at a height of 1.25m. it rebounds from the floor to reach a height of 0.960n. what impulse is given to the ball from the floor? i don't have a clue where to start. i know impulse is constant force x change in tim...
17 years ago
at the earths surface, a projectile is launched straight up at a speed of 10km/. To what height will it rise? i need some major help here please don't know where to begin on this one!
17 years ago
a uniform bridge span weighs 50x10^3 and is 40m long. A car weighing 15X10^3 is parked with its center of gravity located 12m from the right pier. what upward support force does the left pier provide? im lost....this is what i think im supposed to do 40m-...
17 years ago
A 100N uniform ladder, 8.0m long, rests against a smooth vertical wall. the coefficient of static friction between ladder and the floor is 0.40. What minimum angle can the ladder make with the floor before it slips? im thinking 100*0.40=40 degrees? can so...
17 years ago
A copper wire or length 2.0M, with cross-sectional area 7.1x10^-6 m^2 and youngs modulus of 11x10^10 N/m^2 has a 200 kg load hung on it. what is its increase in length? F/A=Y* change in L/Length = (200*9.8)/7.1x10^-6=11x10^10* delta L/2m? am i even settin...
17 years ago
Find the x and y coordinates of the center of gravity of a 4ft by 8ft uniform sheet of plywood with the upper right quadrant removed? with out mass of the plywood how do go about calculating the center gravity for x/y coordinates?
17 years ago
In a figure ABCDEF is a regular hexagon with DH=1cm and HC=2cm. Find the length of AH
15 years ago
calculate P(i) for the following polynomial p(x)=x3+2x2-5x+8 Find | z | for each of the following complex numbers and represent them on a complex plane. a. z=-3-4i b. v=5-12i c.u=7+24i d.w=-9+40i e.p=1+3i f.t=-2i g.n=4 h.m=0 i.s=(√3-i)2
15 years ago
Answers
The following answers were posted by visitors named natali.
is the answer 18.3m/s? i just wanna make sure i did the problem right
17 years ago
VF=23m/s KE=290,950 Power=58,190 is this correct? thanx natali
17 years ago
A 100W light bulb is left on for 10hrs. Over this period of time how much energy is used by the bulb? am i doing this right? my guess is to convert 100W to kW and convert 10 hrs to seconds and multiply the 2 together? which gives 3600J or should i just le...
17 years ago
i got 15 is that correct?
17 years ago
so is this right ? (3.0x10^-4)*(3.5rad/sec) / 3sec? i get 3.5x10^-4 N.m is this correct?
17 years ago
on the side DC
15 years ago
i was looking for help ... not to solve my hw. -.-
15 years ago
more I AGree
12 years ago
265
10 years ago
thank you
5 years ago
18.125
4 years ago