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3 years ago

9

PLEASE HELP ITS DUE IN 30 minutes!!! which two statements explain why a student standing at the top of a step stool doesnt move

downwards

2 answers:

Lesechka [4]3 years ago

7 0

Answer:

i think it is c and b

Explanation:

Svetach [21]3 years ago

6 0

Answer:

The correct answer is option <em><u>b</u></em> and <em><u>c</u></em>.

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2 years ago

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A radar antenna is tracking a satellite orbiting the earth. At a certain time, the radar screen shows the satellite to be 118 km

ruslelena [56]

Answer:

x component 60.85 m

y component 101.031 m

Explanation:

We have given distance r = 118 km

Angle which makes from ground = 58.9°

(a) X component of distance is given by $r_x=rcos\Theta =118\times cos58.9=118\times 0.5165=118=60.85m$

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3 years ago

A book is sitting on a desk. What best describes the normal force acting on the book?

hjlf

Answer:

umm im not sure

3 0

3 years ago

the frequency of the middle b note on a piano is 493.88 hz. what is the wavelength of this note in centimeters? the speed of sou

vekshin1

Answer:

69.5

Explanation:

V=FX

343.06=493.88×X

X=343.06/493.88

X=0.695m

to cm is 69.5cm

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2 years ago