Ls

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回覆: 1

2016-10-09 7:23 am

why cant metal be used in braggs law(electrons interference?)?

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回覆: 1

2016-10-08 3:50 pm

Stationary wave confusion?

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回覆: 1

2016-10-08 6:18 am

Find the maximum value of (1+cosx)sinx?

Ls

回覆: 1

2016-10-07 12:03 pm

Show that 1-1/2t^2<=cost<=1 for 0<=t<=1.?

Ls

回覆: 1

2016-10-05 11:51 am

(c)^(ba)=1679616 find a+bxc?

Ls

回覆: 1

2016-09-25 1:54 pm

Why wont the water wave undergo a phase change of pi when propagate to a fixed wall.?

Ls

回覆: 1

2016-09-17 1:19 pm

Electrostatic confused concept?

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回覆: 1

2016-09-17 7:35 am

Circuit question!!?

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2016-09-16 10:33 am

CUHK enrichment stream in theoretical physics vs oxford physics?

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回覆: 1

2016-09-11 8:34 am

Circuit and potential difference?

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回覆: 1

2016-09-10 8:28 am

Electric potential energy please help?

Ls

回覆: 1

2016-09-09 2:00 pm

Van de Graff generator?

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回覆: 1

2016-08-05 7:14 am

Magnetism question plz help?

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回覆: 1

2016-08-05 6:27 am

Question about solenoid.(concept)?

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回覆: 1

2016-07-30 12:16 pm

Voltage and charge question?

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回覆: 1

2016-07-30 6:38 am

Electrostatic concept plz help?

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回覆: 2

2016-06-17 10:07 am

plane geometry,plz teach me?

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2016-06-10 10:21 am

strange magnetic flux question?

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2016-06-06 1:19 pm

wave motion problem,plz help?

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2016-05-31 3:09 pm

electromagnetic concept plz help confused?

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2016-05-11 10:55 am

electromagnetic induction I don't understand?

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2016-05-08 4:03 am

maths finding approximate value?

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回覆: 1

2016-05-07 9:29 am

math question?

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2016-05-07 6:42 am

math integration?

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2016-05-06 2:17 pm

plz help circle problem?

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2016-04-30 2:09 pm

plz help me again(phy) follow up?

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回覆: 1

2016-04-30 4:11 am

please teach me how to prove (phy)?

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回覆: 1

2016-04-24 9:36 am

two electrostatic questions, plz help, I'm so confused?

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回覆: 1

2016-04-17 12:47 pm

wave question phy plz help?

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回覆: 3

2016-03-19 2:43 pm

find 1/4029 + 2x2014/(2014^2+2015^2) + 4x(2014)^3/(2014^4+2015^4) - 8x(2014)^7/(2014^8-2015^8)?

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回覆: 2

2016-03-19 2:40 pm

Let x be a real number. Find the minimum value of root(x^2-4x+13)+root(x^2-14x+130).?

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回覆: 2

2016-02-03 4:19 am

find the sum of all real roots to the equation (x-1)^(1/2) + (13-x)^(1/4) = 2[(3)^(1/2)] ans:17, plz explain?

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回覆: 1

2016-02-02 12:05 pm

in how many different ways can two integers x and y (where x>y) be chosen from 1 to 30 (包括首尾兩數) such that the hcf of x+y and x-y is 1?

Ls

回覆: 1

2016-02-01 10:17 am

if positive integers m and n satisfy 23/50<m/n<64/139,find the smallest possible value of n. ans:63, plz explain?

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回覆: 1

2016-01-31 2:13 pm

if the last three digits of the square of a positive integer are the same and nonzero,we say that the positive integer is good. for example,?

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回覆: 1

2016-01-31 3:00 am

Let x,y,z be real numbers such that (x-15)^2+(y-20)^2 smaller or equals to49 and 10y=zx. Find the greatest possible value of z.?

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回覆: 1

2016-01-30 8:18 am

find the valueof (99^3+100^3)/(1^3+100^3)+(97^3+99^3)/(2^3+99^3)+(95^3+98^3)/(3^3+98^3)+...+1^3+51^3)/(50^3+51^3)?

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回覆: 1

2015-12-11 5:49 am

A question about double-slit experiment with cover.?

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2015-12-06 4:22 am

standing wave的問題?

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2015-07-29 1:48 am

escape velocity

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2015-07-06 2:50 am

question of maths and phy

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回覆: 3

2015-06-30 5:41 am

physics mc plz help

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2015-06-15 8:33 am

貝澳營地營位一問

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回覆: 1

2015-06-05 9:15 pm

physics motion

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2015-05-19 7:08 am

help coriolis effect

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回覆: 4

2015-05-19 7:03 am

floor and ceiling function

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2015-05-16 3:52 am

internal energy

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2015-05-14 6:04 am

Foucault pendulum

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回覆: 2

2015-05-13 8:43 pm

A maths symbol

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回覆: 1

2015-05-09 9:52 pm

free falling