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2006 HKCEE Physics MC solution

 2006 HKCEE Physics MC solution Article

CE-PHY-06-P2S

HKCEE PHYSICS

2006 HKCEE Physics Paper 2

Suggested Solutions

Prepared by Andy Lai

MC 係分 DASAR Grade 既地方,

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2006 HKCEE Physics Daily news II Advised Answer

1 .

B

installment payments on your

*D

a few.

B

4.

D

five.

C

six.

A

7.

C

almost eight.

C

on the lookout for.

A

10.

D

11.

D

doze.

A

13.

B

14.

C

12-15.

A

18.

B

17.

A

18.

C

19.

B

20.

A

twenty one.

B

twenty-two.

B

3.

D

24.

A

25.

D

26.

C

twenty seven.

D

twenty eight.

A

29.

B

35.

D

thirty-one.

B

thirty-two.

D

33.

A

thirty four.

D

35.

B

36.

B

thirty seven.

C

32.

D

39.

C

45.

A

forty one.

A

forty two.

C

43.

D

forty-four.

C

45.

*D

5. Deleted in live daily news

黎 friend 教室

2006 HKCEE Physics Paper II Suggested Alternatives

CE-PHY-06-P2S

Section A

1 .

B

黎 Sir 提提�

:

(1)

Average Velocity = Total Shift / Total Time Considered

Total Displacement = Location under the shape of v-t graph

Q Area beneath the curve A � Location under competition B

⇒ Total shift of A � Total shift of B

⇒ Typical Velocity of any � Common Velocity of B

(2)

Average Velocity =

Final Velocity - Initial Velocity

Total Time Taken

Queen Final Speed of A = Final Velocity of N

Q Final Velocity of the = Last Velocity of B

Q Total Period Taken of A = Total Time Taken of M

⇒ Normal Acceleration of any = Speeding of W

(3)

Total Displacement sama dengan Area underneath the curve of v-t chart

Q Location under the contour A � Area beneath curve M

⇒ Total displacement of the � Total displacement of B

installment payments on your

*D

黎 Sir 提提�

:

(1)

In case the vehicle prevents suddenly, by inertia, the passengers can keep go forward and may even rush for the front windows. However , with the seat belts, it will provide a backwards force preventing the traveler go forward.

(2)

Mass can be described as measure of Inertia. ***

Mass ↑ ⇒ Inertia ↑ ⇒ More difficult to stop your vehicle. (3)

Acceleration ↑ ⇒ More difficult to halt the car while using same velocity Remarks: This question can be deleted in live newspaper.

All rights reserved simply by Andy Psaume.

P. you

黎 friend 教室

2006 HKCEE Physics Paper 2 Suggested Alternatives

3.

CE-PHY-06-P2S

B

黎 Sir 提提�

:

(1)

Law of Conversation of Energy:

Energy in a system cannot be created or damaged,

***

it could only be changed from one form to another form.

Loss of P. E. = Gain in K. At the.

⇒ Same Speed when the marble reaches the ends of the two rails, Nevertheless the direction in the velocity is definitely not the same.

(2)

θ A > θB,

By Law of conversation of one's,

u A = u B sama dengan 0,

Loss of P. E. = Gain in E. E.

v A sama dengan vB,

⇒ K. Elizabeth. is the same when it actually reaches the ends

a A = magnesium sin θ A > a N = mg sin θ B, of both rails

(3)

With a =

v−u

t

Train A: a A sama dengan

vA − u A

v

virtual assistant

⇒ tag = A =

tag

a A mg trouble θ A

Rail W: a N =

vB − u B

v

vA

⇒ tB = A sama dengan

> konstruera

tB

a B magnesium sin θ B

And so marble travel through rail A will reach the end first.

4.

D

黎 Sir 提提�

:

Simply by Newton's subsequent Law: N = mother

Friction( n ) sama dengan ma,

− 0. 65mg = mum,

a = −0. sixty-five g,

sixth is v 2 − u a couple of = 2as

0 − u a couple of = 2 * (−0. 65 g ) 5. (22. 3)

u two = 289. 9

u = seventeen. 02 ≈ 17 ms −1

G. 2

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