Question

One of the rectangular components of a velocity of20 ms
is 10ms-1
Find the other component
(A) 10 3ms-1
(B) 20 3ms-1
(C) 5 3ms-1
(D) 35 3ms-
​

Answer 1

Step-by-step explanation:

answer is

the

options is

d

Answer 2

Answer:

10√3 m/s

Step-by-step explanation:

Suppose Ax=10

Ax= A cos@

cos@= Ax/A

cos@ = 10/20

cos@ = 1/2

@= cos inverse 1/2

@ = 60°

Ay = A sin@

Ay = 20 sin 60°

Ay = 20 × √3/2

Ay = 10√3 or 17.3

For verification;

A= √(Ax^2+ Ay^2)