| 1 |
|
C = 0.2 |
|
0.04 x 5 = 0.2
|
0.04 x 5 = 0.2
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 2 |
|
A k1 > k2 |
|
k1 have more spring than k2.
|
k1 > k2
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 3 |
|
B 120s |
|
600/50 = 120
|
600 river wide 5 m/s = 600/5 = 120s.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 4 |
|
A triangle K = (Ki + Kf)/2 |
|
triangle K = Kf - Ki = triangle K = (Ki + Kf)/2.
|
triangle K = Kf - Ki = triangle K = (Ki + Kf)/2.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 5 |
|
B y= ax^2 + b |
|
ax is constants and times 2 to plus more.
|
ax is constants and times 2 to plus more.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 6 |
|
A (p1h1 + p2h2)g |
|
The liquid with destiny (p1) the dept of the top liquid is(h1) + the liquid with destiny on the bottom (p2) the bottom liquid has a dept (h2).
|
The liquid with destiny (p1) the dept of the top liquid is(h1) + the liquid with destiny on the bottom (p2) the bottom liquid has a dept (h2).
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 7 |
|
C h x r ^ -1/2 |
|
h x r ^ -1/2
|
h x r ^ -1/2
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 8 |
|
A 5001 + 11t |
|
5001 + 11t
|
5001 + 11t
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 9 |
|
C 3wr |
|
The 1st have plate have wr the 2nd plate have 2 wr so the the 3 rd plate have 3wr.
|
The 1st have plate have wr the 2nd plate have 2 wr so the the 3 rd plate have 3wr.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 10 |
|
D triangle p and triangle K do not depend on the frame for perfectly elastic collisions , but both may depend on the frame for inelastic collisions. |
|
Triangle p and triangle K do not depend on the frame for perfectly elastic collisions , but both may depend on the frame for inelastic collisions.
|
Triangle p and triangle K do not depend on the frame for perfectly elastic collisions , but both may depend on the frame for inelastic collisions.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 11 |
|
A 2I |
|
I x 2 = 2I
|
I x 2 = 2I
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 12 |
|
E 9p |
|
Rocket m have p and 9m have 9p.
|
Rocket m have p and 9m have 9p.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 13 |
|
D root 4gh |
|
A ball launched toward the ground and lose have if its kinetic energy and the ball maximum hight is 2h and 2hx2 = 4h.
|
A ball launched toward the ground and lose have if its kinetic energy and the ball maximum hight is 2h and 2hx2 = 4h.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 14 |
|
D the lowest point P |
|
P are the thing that touch the right-angle chute.
|
P are the thing that touch the right-angle chute.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 15 |
|
E I,II and III |
|
I,II,III got Earth gravity.
|
I,II,III got Earth gravity.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 16 |
|
C |
|
each particle look as a function of time.
|
each particle look as a function of time.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 17 |
|
C 1.00s |
|
it the almost nearly answer.
|
it the almost nearly answer.
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 18 |
|
B 0.770 |
|
0.770
|
0.770
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 19 |
|
C 2mg /k |
|
2mg /k
|
2mg /k
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|
| 20 |
|
E 16 |
|
16
|
16
|
7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
|