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Alik [6]
3 years ago
15

An object, initially at rest, is subject to an acceleration of 34 m/s2. how long will it take for that object to travel 3400 m?

Physics
1 answer:
Montano1993 [528]3 years ago
4 0
15 seconds i may be wrong though
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Which of the three recording stations was closest to the epicenter of the earthquake, based on the seismograms shown below?
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a car moving with a speed of 10 metre per second is accelerator at the rate of 2 metre per second square find its velocity after
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a = ( v(2) - v(1) ) ÷ ( t(2) - t(1) )

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What happened to the balloon when it was placed on the bottle with the baking soda and vinegar and why
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it creates a gas called carbon dioxide. The gas begins to expand in the bottle and starts to inflate the balloon

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Why does this happen? well, The faster-moving particles inside the bottle start to move faster and faster and soon they expand to fill the balloon.

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2 years ago
An experiment is done to compare the initial speed of projectiles fired from high-performance catapults. The catapults are place
anzhelika [568]

Answer:1.084

Explanation:

Given

mass of Pendulum M=10 kg

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velocity of bullet u

After collision let say velocity is v

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mu=(M+m)v

v=\frac{m}{M+m}\times u

Conserving Energy for Pendulum

Kinetic Energy=Potential Energy

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here h=L(1-\cos \theta ) from diagram

therefore

v=\sqrt{2gL(1-\cos \theta )}

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u=\frac{M+m}{m}\times \sqrt{2gL(1-\cos \theta )}

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u_1=\frac{M+m_1}{m_1}\times \sqrt{2gL(1-\cos 6.8)}

for second case \theta =11.4^{\circ}

u_2=\frac{M+m_2}{m_2}\times \sqrt{2gL(1-\cos 11.4)}

Therefore \frac{u_1}{u_2}=\frac{\frac{M+m_1}{m_1}\times \sqrt{2gL(1-\cos 6.8)}}{\frac{M+m_2}{m_2}\times \sqrt{2gL(1-\cos 11.4)}}

\frac{u_1}{u_2}=\frac{1819.181\times 0.0838}{1001\times 0.1404}

\frac{u_1}{u_2}=1.084

i.e.\frac{v_1}{v_2}=1.084

4 0
3 years ago
Before the student releases the cart by cutting the tinsel string, what forces are acting on the cart?
Naya [18.7K]

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