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const2013 [10]
3 years ago
8

A triangle can have at most how many right angle?

Physics
2 answers:
nordsb [41]3 years ago
5 0

Only one (1).

If it had two right angles, they would add up to 180 degrees, and there would be no more degrees left over to make the third angle with.

Anna [14]3 years ago
4 0

Answer: 1 right angle

Explanation:

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A motorcycle, which has an initial linear speed of 9.7 m/s, decelerates to a speed of 4.0 m/s in 4.4 s. Each wheel has a radius
Morgarella [4.7K]

Hi there!

We can begin by solving for the linear acceleration as we are given sufficient values to do so.

We can use the following equation:

vf = vi + at

Plug in given values:

4 = 9.7 + 4.4a

Solve for a:

a = -1.295 m/s²

We can use the following equation to convert from linear to angular acceleration:

a = αr

a/r = α

Thus:

-1.295/0.61 = -2.124 rad/sec² ⇒ 2.124 rad/sec² since counterclockwise is positive.

Now, we can find the angular displacement using the following:

θ = ωit + 1/2αt²

We must convert the initial velocity of the tire (9.7 m/s) to angular velocity:

v = ωr

v/r = ω

9.7/0.61 = 15.9 rad/sec

Plug into the equation:

θ = 15.9(4.4) + 1/2(2.124)(4.4²) = 20.56 rad

6 0
3 years ago
Investigar la función de los espejos esféricos y como funciona, en el microscopio.
NikAS [45]

Answer:

yea

Explanation:

4 0
2 years ago
Um avião, após deslocar-se 120 km para nordeste (NE), desloca-se 160 km para sudeste (SE). Sendo um quarto de hora o tempo total
Svetach [21]

Answer:

E) 800 km/h

Explanation:

The computation of the average vector velocity module of the plane, at that time is shown below:

The displacement vector is

d^2 = d1^2 + d2^2

where,

d1 = northeast displacement

d2 = southeast displacement

Now

d^2 = (120)^2 + (160)^2

= 14400 + 2560

= 40000

= √40000

d = 200 km

Now the average velocity is

V = ΔS ÷ Δt

= 200 ÷ 1 ÷ 4

= 200 × 4

=  800 km/h

4 0
3 years ago
Isla’s change in velocity is 30 m/s, and Hazel has the same change in velocity. Which best explains why they would have differen
lyudmila [28]

Acceleration  =  (change in velocity) / (time for the change) .

They may have had the same change in velocity, but if the changes
happened in different lengths of time, then their accelerations were
not the same.
4 0
3 years ago
Read 2 more answers
What is an object that can hold things together or lift an object?
Firdavs [7]

Answer:

Hi myself Shrushtee

Explanation:

Inclined plane = 2. Something that can hold things together or lift an object. Wedge = 3.

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4 0
3 years ago
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