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Alex17521 [72]
3 years ago
5

A 2.0 g identification reflector glued to one end of a helicopter rotor is spinning at a tangential velocity of 2093 m/s. The re

flector takes 0.03 s to complete one revolution. Find the radius of the rotor.
Physics
1 answer:
katrin2010 [14]3 years ago
7 0
372863 juusnjus bhhhanbubhgajhus
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a child riding a bicycle at 15 meters per second accelerates at -3,0 meters per second? for 4.0 seconds. What is the child's spe
Vika [28.1K]

Answer:

<h2> 27m/s</h2>

Explanation:

Given data

initital velocity u=15m/s

deceleration a=3m/s^2

time t= 4 seconds

final velocity v= ?

Applying the expression

v=u+at------1

substituting our data into the expression we have

v=15+3*4

v=15+12

v=27m/s

The velocity after 4 seconds is 27m/s

5 0
3 years ago
find the pressure exerted by a force of 8000 newtons on an area of 25m square..give your answer in Newtown/m2​
baherus [9]

Answer:

Pressure = 320 N/m²

Explanation:

Given the following data;

Force = 8000 Newton

Area = 25 m²

To find the pressure, we would use the following formula;

Pressure = force/area

Substituting into the formula, we have;

Pressure = 8000/25

Pressure = 320 N/m²

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V125BC [204]
Open- mindness would be the answer youre looking for
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Please Solve 2y²-18xy+2x²​
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2y²-18xy+2x²

what type of expression is this

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