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tamaranim1 [39]

3 years ago

9

Who was the last astronaut to walk on the moon? Neil Armstrong Alan Shepard Ken Mattingly Eugene Cernan

2 answers:

lapo4ka [179]3 years ago

8 0

Answer:

eugene cernan

Explanation: Gene Cernan, last astronaut to walk on moon, dies at 82. (Reuters) - Eugene Cernan, the last astronaut to walk on the moon - an experience that he said made him “belong to the universe,” died on Monday at the age of 82, the U.S. space agency said.

Lera25 [3.4K]3 years ago

6 0

It is Eugene Cernan .

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4 years ago

A vector A makes an angle of 20 degree and B makes an angle of 110 degree with the x-axis. The magnitude of this vectors are 3 m

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The resultant is 5 m at $73.1^{\circ}$

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To solve the problem, we have to resolve each of the two vectors into its component along the x-axis and the y-axis.

Vector A has magnitude 3 m and angle 20 degrees with the x-axis, so its components are

$A_x = A cos \theta = (3)(cos 20)=2.82 m$

$A_y = A sin \theta = (3)(sin 20)=1.03 m$

Vector B has magnitude 4 m and angle 110 degrees, so its components are

$B_x = B cos \theta = (4)(cos 110)=-1.37 m$

$B_y = B sin \theta = (4)(sin 110)=3.76 m$

So, the x- and y- components of the resultant vector are

$R_x = A_x + B_x = 2.82+(-1.37)=1.45 m\\R_y = A_y+B_y = 1.03+3.76 =4.79 m$

Therefore the magnitude of the resultant is

$R=\sqrt{R_x^2+R_y^2}=\sqrt{(1.45)^2+(4.79)^2}=5.0 m$

While the direction is given by

$\theta=tan^{-1}(\frac{R_y}{R_x})=tan^{-1}(\frac{4.79}{1.45})=73.1^{\circ}$

Learn more about resultant of two vectors:

brainly.com/question/4945130

brainly.com/question/5892298

#LearnwithBrainly

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3 years ago