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ExtremeBDS [4]
3 years ago
6

Explain the connection of heat to change in temperature AND states of matter

Physics
1 answer:
padilas [110]3 years ago
4 0

Answer:

When thermal energy is added to a substance, its temperature increases, which can change its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (sublimation).

Explanation:

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What is the weight of a<br> 63.7 kg person?
IRINA_888 [86]

Answer:

A person that weighs 63.7 kg weighs 63.7 kg

Explanation:

Too complicated to explain.

6 0
3 years ago
Read 2 more answers
Solve: A car travels 2 km North , 10 km East, then 3 km West. pythagorean theorem
Evgen [1.6K]

________b_____ 7 km east

|

| 2km north.

|a

|

°

pythagorean theorem : ✓a² + b² = c²

c² = a² + b² = 4 + 49 = 53

c = ✓53 km

displacement = c = ✓53 km

distance = 10 + 3 + 2 = 15 km

5 0
3 years ago
If you run the 100 m track at a velocity of 5.0 m/s, what is the time needed?
Tresset [83]
100/5= 20, 20 seconds is the time needed.
8 0
3 years ago
Velocity must be measured in units of
ohaa [14]
Metres per seconds (m/s)
3 0
3 years ago
The mass attached to a spring balance is 80 g. When the spring is stretched 10 cm. it requires a force of 0.2 N to hold it motio
ladessa [460]
We are given information:
m = 80g = 0.080kg
x = 10cm = 0.10m
F = 0.2N
d = 20cm = 0.20m

This mass-spring system can be represented as harmonic oscilator. Harmonic oscilator is a type of oscilator where mass oscilates around equilibrium point. Maximum distance on both sides of equilibrium point remains same Period of oscilation is constant. In harmonic oscilator all outside forces are neglected.

In this problem we have mass attached to a spring so we can use spring formula:
F = -kx
where k = spring constant
We can rearrange this formula in order to calculate k. We will ignore negative sign.
k = F / x
k = 0.2 / 0.1
k = 2 N/m

Now we can use this information to calculate the period. Formula is:
T=2 \pi  \sqrt{ \frac{m}{k} }  \\  \\ T=2 \pi  \sqrt{ \frac{0.080}{2} }   \\  \\ T=1.26s

We can see from formula that the period does not depend on maximum distance from equilibrium point. It only depends on mass and spring constant.
7 0
3 years ago
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