In a meeting of mimes, mime 1 goes through a displacement d → 1 = (4.0 m) i ^ + (5.0 m) j ^ and mime 2 goes through a displacement d → 2 = (−3.0 m) i ^ + (4.0 m) j ^ . What are (a) d → 1 × d → 2 , (b) d → 1 d → 2 , (c) ( d → 1 + d → 2 ) · d → 2 , and (d) the component of d → 1 along the direction of d → 2 ? ( Hint: For (d), see Eq. 3-20 and Fig. 3-18.)
In a meeting of mimes, mime 1 goes through a displacement d → 1 = (4.0 m) i ^ + (5.0 m) j ^ and mime 2 goes through a displacement d → 2 = (−3.0 m) i ^ + (4.0 m) j ^ . What are (a) d → 1 × d → 2 , (b) d → 1 d → 2 , (c) ( d → 1 + d → 2 ) · d → 2 , and (d) the component of d → 1 along the direction of d → 2 ? ( Hint: For (d), see Eq. 3-20 and Fig. 3-18.)
In a meeting of mimes, mime 1 goes through a displacement
d
→
1
= (4.0 m)
i
^
+ (5.0 m)
j
^
and mime 2 goes through a displacement
d
→
2
= (−3.0 m)
i
^
+ (4.0 m)
j
^
. What are (a)
d
→
1
×
d
→
2
, (b)
d
→
1
d
→
2
, (c) (
d
→
1
+
d
→
2
) ·
d
→
2
, and (d) the component of
d
→
1
along the direction of
d
→
2
? (Hint: For (d), see Eq. 3-20 and Fig. 3-18.)
According to the text, there are two equations from which the five equations may be derived by taking the integral or antiderivative. Consider the
following equations and choose the two equations to which it is referring.
dv
A. x=
dt
dx
В. у %3
dt
dv
С. а %3
dt
D. x- x, =}(v+vo Jt
(A) A and C
(в) С and D
(c) B and C
D) A and B
Ina meeting of mimes, mime 1 goes through a displacement á 1 = ( 8.69 m )ì + (8.10 m )} ar
8 d and mime 2 goes through a
d 2 =
-9.93 m )î + (8.1 m )j.What are (a) d , × d 2, (b) d
2. (c) (
1+ d 2)· d 2,and
displacement
(d) the component of á 1 along the direction of
2?
Give your answers in standard SI units.
(a) Numder
Unit
(b) Number
i
Unit
(c) Number
i
Unit
(d) Number
Unit
>
>
>
a/ What is scalar component of vector W in direction of vector P? b/ Smallest angle vector P makes with unit vector z?
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