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rjkz [21]
3 years ago
8

A 1000 kg elevator is accelerated upward at a rate of 0.70 m/s2. What is the tension in the cable pulling the elevator upward wh

en it experiences this acceleration?
Physics
2 answers:
Masteriza [31]3 years ago
5 0

Answer:

Tension is also known as Force...

and Force is mass× acceleration.

so....1000×0.70=700N

AlekseyPX3 years ago
3 0

Answer:

\Huge \boxed{\mathrm{700 \ N}}

Explanation:

Tension is the force exerted.

\sf Force \ (N) = mass \ (kg) \cdot acceleration \ (m/s^2)

F=1000 \cdot 0.70

F=700

The tension in the cable is 700 N.

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A ball on the end of a string is whirled around in a horizontal circle of radius 0.478 m. The plane of the circle is 1.02 m abov
m_a_m_a [10]

Answer:

Explanation:

We shall find first the velocity of ball at the time when string breaks. Let it be v . During its fall on the ground , 1.02 m below, we use the formula

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v  = 5.48 m /s

centripetal acceleration

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3 years ago
A base is a substance that's the chemical opposite of an acid.<br> True or false
anygoal [31]

True

Explanation:

A base is a substance that is often used as the chemical opposite of an acid.

Both behaves in opposite way to one another.

They can be said to complementary or conjugate chemicals.

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A sound wave leaves the loudspeaker. As it travels, it experiences a temporary increase in wavelength and then returns to its original wavelength.  The sound wave traveled through a helium balloon (helium is less dense than air could explain this change in wavelength

The pattern of disruption brought on by energy moving away from the sound source is known as a sound wave. Longitudinal waves are what makeup sound. This indicates that the direction of energy wave propagation and particle vibrational propagation are parallel. The atoms oscillate when they are put into vibration.

A high-pressure and a low-pressure zone are created in the medium as a result of this constant back and forth action. Compressions and rarefactions, respectively, are terms used to describe these high- and low-pressure zones. The sound waves go from one medium to another as a result of these regions being transmitted to the surrounding media.

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