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Lesechka [4]
3 years ago
15

Which of the following has the greatest magnitude? 30 Newtons 1 Newton . 10 Newtons

Physics
1 answer:
Zinaida [17]3 years ago
5 0

Answer:

30 newtons

Explanation:

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Answer:

Explanation:

4√((40(4046)) = 1,609.17370... = 1609 m

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3 years ago
In traveling a distance of 2.5 km between points A and D, a car is driven at 99 km/h from A to B for t seconds and 48 km/h from
Andreyy89

Answer:

d = 1.954 Km

Explanation:

given,

total distance, D = 2.5 Km

in stretch A to B =

speed = 99 Km/h = 99 x 0.278 = 27.22 m/s     time =t

in stretch B to C

time = 3.4 s

In stretch C to D

speed = 48 Km/h = 48 x 0.278 = 13.34 m/s     time =t      

we know,

distance = speed x time

distance of BC

using equation of motion

v = u + a t

27.22 = 13.34 - a x 3.4

a = 4.08 m/s²

uniform deceleration is equal to 4.08 m/s²

distance traveled in BC

s = ut + \dfrac{1}{2}at^2

s = 13.34\times 3.4 + \dfrac{1}{2}\times 4.08 \times 3.4^2

s = 68.94 m

3000 = 99 \times \dfrac{1000\ t}{3600}+ 68.94 + 48\times \dfrac{1000\ t}{3600}

3000 = 27.5 t + 68.94 + 13.33 t

40.83 t = 2931.06

t = 71.79 s

distance travel in AB

distance = s x t

d = 27.22 x 71.79

d = 1954 m

d = 1.954 Km

distance between A and B is equal to 1.954 Km.

4 0
3 years ago
Cartilage is present in the joints of our body, which helps in their smooth
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It would result in stiffness and pain. Additional stress would be put onto the joints as well. Hope this helps, cheers!
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3 years ago
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What type of electromagnetic waves is released by all objects?
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a)Visibile light waves

Explanation:

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Roadrunner speeds up from 2m/s to 10m/s in a distance of 10m. What is his acceleration?
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d = v·t + (1/2)·a·t^2

a = 10m/s^2. t = 10s

v = 0m/s. Initial velocity

d = 0·10 + 10/2 · 10^2 = 0 +5·100

d = 500m

8 0
2 years ago
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