3 years ago

What name is given to the property by which objects resist changes in motion?

Physics

1 answer:

Reptile [31]3 years ago

8 0

Inertia is the tendency of an object to resist changes in its state of motion.

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What is the smallest piece of a substance?<br><br><br> Pls help me :/

Nezavi [6.7K]

Answer:

The smallest piece of a substance is an atom.

Explanation:

Atoms. An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element.

The smallest piece that doesn't retain the properties is a quark

Hope I helped you and have a great day!

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8 0

3 years ago

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Two ice skaters suddenly push off against one another starting from a stationary position. The 50 kg skater acquires a speed of

Liono4ka [1.6K]

Answer:

$V_{22}=0.25m/s$

Explanation:

From the question we are told that:

Mass 1 $M_1=50kg$

Speed 1 $V_1=0.3m/s$

Mass 2 $M_2=60kg$

Generally the equation for momentum is mathematically given by

$M_1V_{11}+m_2V_{21}=M_1V_{12}+m_2V_{22}$

Where

$v_{11}=v_{21}=0$

Therefore

$M_1V_12-M_2V_22$

$V_{22}=\frac{m_1v22}{m_2}$

$V_{22}=\frac{m_1V_22}{m2}$

$V_{22}=\frac{50*0.3}{60}$

$V_{22}=0.25m/s$

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3 years ago

What means 10² what we call this

damaskus [11]

we call it as well as 100 . so easey

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3 years ago

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What happens to kinetic energy when potential energy increases?

dmitriy555 [2]

Kinetic energy is transformed to potential energy

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3 years ago

An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which has a large o

Alekssandra [29.7K]

Answer:

$0.53m/s^2$

Explanation:

We are given that

Mass of wire=m=3.6 g= $3.6\times 10^{-3} kg$

1 kg=1000 g

Length of wire=l=1.6 m

Mass of object=m'=3 kg

Time,t=60.1 ms= $60.1\times 10^{-3} s$

$1 ms=10^{-3} s$

Speed,v= $\frac{distance}{time}=\frac{1.6}{60.1\times 10^{-3}}=26.62 m/s$

$g=\frac{v^2m}{m'l}$

Using the formula

$g=\frac{(26.62)^2\times 3.6\times 10^{-3}}{3\times 1.6}=0.53m/s^2$

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4 years ago