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Helga [31]
2 years ago
10

Automotive technology

Physics
1 answer:
viktelen [127]2 years ago
5 0

lol what is this question

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A car speedometer has a 4% uncertainty. What is the range of possible speeds (in km/h) when it reads 110 km/h?
Kruka [31]
4% of 110 is 4.4. So the possible range of speeds is the interval from 110-4.4 till 110+4.4.
105.6 till 114.4
4 0
2 years ago
A man runs 800m due north in 110 seconds followed by 400m due suoth in 90 seconds calculate his average speed and his average ve
andrey2020 [161]

Answer:

Average speed is  6m/s

Average velocity is 5.859m/s

Explanation:

Average speed, s = d/t

d is distant

t is time

speed north is 800m and 110s

speed due south is 400m and 90s  

Average speed = (800+400) / (110+90)

                          = 1200/200

                          =6m/s

Average velocity V = (v + u)/2

v = final velocity

u = initial velocity

V = (7.273 + 4.444)/2 = 11.717/2

V = 5.859m/s

6 0
2 years ago
What is the mass of an object that requires 100N of force in order to accelerate 10m/s2
iragen [17]

Explanation:

Hey there!

Given;

Force (f) = 100 N

Acceleration (a) = 10m/s^2.

Mass (m)=?

We have;

Force = mass * acceleration.

So,

100 = m * 10

Or, 100 = 10m

Or, m= 100/10

Therefore, mass is 10kg.

<em><u>Hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

3 0
2 years ago
A rope exerts a 35N force on an object at an angle of 12N degrees above the horizontal. What horizontal and vertical components
nekit [7.7K]

Answer:

The horizontal component of the force, F_x= 34.24 \ N

The  vertical component of the force, F_y=7.28 \ N

Explanation:

Given;

Force on the rope, F = 35 N

angle between the rope and the horizontal = 12 °

The horizontal component of the force is given by;

F_x = Fcos \theta\\\\F_x = 35cos(12^0)\\\\F_x = 34.24 \ N

The vertical component of the force is given by;

F_y = Fsin\theta\\\\F_y = 35sin(12^0)\\\\F_y = 7.28 \ N

5 0
2 years ago
What is the amplitude of the wave?
solniwko [45]

Answer:

1 meter for this wave

Explanation:

Amplitude is the height of the wave from the midline to the crest

3 0
2 years ago
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