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sdas [7]
3 years ago
6

The sum of all forces and components in both x and y are equal to zero, as well as in the sum of all moments of force or torsion

generated by external external forces from a point P in the plane or outside This is the sound of this body in:
Select one:
to. Movement
second. Balance
do. Reacting
re. Dynamic balance
Physics
1 answer:
12345 [234]3 years ago
7 0
1,2,3,4 is the answer, your welcomethe answer is movement !
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The expression known as​ Froude's number is given as Upper F equals StartFraction v squared Over gl EndFraction . This number wa
bearhunter [10]

Answer:v=5.529\ m/s

Explanation:

Given

number is given as =\frac{v^2}{gl}

and number=2.6

l=1.2\ m

g=acceleration due to gravity(9.8\ m/s^2)

calculating for v

v^2=gl(2.6)

v=\sqrt{2.6\times 9.8\times 1.2}

v=\sqrt{30.576}

v=5.529\ m/s

8 0
3 years ago
The least count of stopwatch is 0.2s.The time of 20 oscillations of a pendulum was measured to be 25s.Find the percentage error
Svet_ta [14]

Answer:

0.8%

Explanation:

We are given;

Number of oscillations; n = 20

Time taken; t = 25 s

Formula for period of oscillation;

T = t/n = 25/20 = 1.25 s

We are told that the least count is 0.2 s. Thus, error is; ΔT = 0.2 s

percentage error in the measurement of time is given by;

(0.2/(20 × 1.25)) × 100% = 0.8%

4 0
3 years ago
Two particles execute simple harmonic motion of the same amplitude and frequency along close parallel lines. They pass each othe
deff fn [24]

Answer:

\theta_2 - \theta_1 = 156.93 degree

Explanation:

As we know that the displacement of the particle from the mean position is 1/5 times of its amplitude

so we have

y = A sin\omega t

y = \frac{A}{5}

so now we have

\frac{A}{5} = A sin\omega t

now we have

\theta_1 = 11.53 degree

so the phase other particle in opposite direction is given as

\theta_2 = 180 - 11.53 = 168.46 degree

so we have phase difference given as

\theta_2 - \theta_1 = 168.46 - 11.53

\theta_2 - \theta_1 = 156.93 degree

7 0
3 years ago
An object starts from rest, and accelerates at 2m/s2 for 10s. How far has it gone in that time
blagie [28]

Answer:

100m

Explanation:

s = ut +  \frac{1}{2} a {t}^{2}

u=0;t=10sec;a=2m/s²

s = 0(10) +  \frac{1}{2}(2 \times  {10}^{2} )

s=10²;100m

7 0
4 years ago
What is the final velocity of a car that starts at 22 m/s and accelerates at 3.78 m/s for distance of 45 m
Pepsi [2]

v^2 = v0^2 +2ad v^2 = 22^2 + 2*3.78*45 = 824.2 v= √824.2 = 28.7 m/s

5 0
4 years ago
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