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chwala's latest activity
chwala
replied to the thread
Solve the given problem giving your answer as a single logarithm
.
I do not understand your phrase. Did you understand my concern?
35 minutes ago
chwala
reacted to
Vanadium 50's post
in the thread
What distance will be covered before coming to stop?
with
Like
.
There is. I can't read the problem, but I can tell you that plugging in numbers is the last step, not the first.
Yesterday, 9:30 PM
chwala
reacted to
haruspex's post
in the thread
What distance will be covered before coming to stop?
with
Like
.
Yes. For an ad hoc approach, it slowed from an average of 50m/s over 20s to 33.33m/s over 30s. Those average speeds would have been...
Yesterday, 9:30 PM
chwala
replied to the thread
Solve the given problem giving your answer as a single logarithm
.
So which is which... Student to lose final mark because of the requirement to express solution as per examiners perspective?
Yesterday, 7:28 PM
chwala
reacted to
kuruman's post
in the thread
What distance will be covered before coming to stop?
with
Informative
.
You missed my point in post #9. The idea is not to susbstitute numbers in the middle of the solution. Here is what I had in mind...
Yesterday, 3:22 PM
chwala
posted the thread
Solve the given problem giving your answer as a single logarithm
in
Precalculus Mathematics Homework Help
.
Markscheme; Not many international students would understand single logarithm as expected by examiners. In my take ##x = \dfrac{\ln...
Yesterday, 2:08 AM
chwala
reacted to
kuruman's post
in the thread
What distance will be covered before coming to stop?
with
Informative
.
The formal approach recognizes that one is given two pairs of positions and clock times. Assuming that ##t=0## is when the train starts...
Yesterday, 12:33 AM
chwala
replied to the thread
What distance will be covered before coming to stop?
.
... I was able to realize, ##2000 = 40v_0 +400a## and ##4000 = 100v_0 +2500a## Solving for the unknown, i can see that ##a=...
Yesterday, 12:26 AM
chwala
replied to the thread
What distance will be covered before coming to stop?
.
Were you having a different approach where ##35## is not going to be considered as part of working?
Monday, 7:17 PM
chwala
reacted to
jbriggs444's post
in the thread
What distance will be covered before coming to stop?
with
Like
.
Ahhh, there seems to be a language difficulty. You'd originally written: This is phrased unfortunately. I would have said instead...
Monday, 5:59 PM
chwala
replied to the thread
What distance will be covered before coming to stop?
.
For an object moving with constant acceleration or deceleration over a period of time, then it is common knowledge that these quantities...
Monday, 4:19 PM
chwala
replied to the thread
What distance will be covered before coming to stop?
.
I re-typed the question.
Sunday, 9:07 PM
chwala
posted the thread
What distance will be covered before coming to stop?
in
Introductory Physics Homework Help
.
Phew; back n forth on this anyway, my lines ... ##v_{1} = \dfrac{1000}{20} = 50## m/s in the first ##10## seconds. ##v_{2} =...
Sunday, 6:34 PM
chwala
posted the thread
Calculate how fast the car was travelling when brakes were applied
in
Introductory Physics Homework Help
.
My query is on highlighted. This was straightforward. I thought that coefficient of friction ought to lie between ##0## and ##1##...
Sunday, 6:20 PM
chwala
reacted to
TSny's post
in the thread
What Force must be exerted on the trolley for constant speed?
with
Like
.
Those answers look right to me. (I guess there is no friction). However, based on what you've written, we can't tell if you thought...
Saturday, 6:28 PM
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