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marin [14]
3 years ago
8

What is newtons first law of motion​

Physics
1 answer:
Brums [2.3K]3 years ago
6 0
An object in motion will remain in motion unless an outside force stops is.
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4. How long does it take a car traveling at 45 km/h to travel 100.0 m?<br> 4500m
Trava [24]

Answer:

8.0s

Explanation:

45 km/h ÷ 3.6  = 12.5 m/s

t.v = d/t

vt/v = d/v

t = d/v = 100.0m /12.5 m/s = 8.0s

Hope this helps!!

8 0
3 years ago
The substances in the table are combined, and Substance 1 loses 40 calories of heat. How many calories of heat will Substance 2
Luda [366]

Over time, the substances will reach equilibrium, meaning the heat calories lost by Substance 1 will be gained by Substance 2. Therefore, Substance 2 will eventually gain 40 calories of heat.

5 0
3 years ago
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14. The United States Tobacco Settlement between the major tobacco companies and 46 states caused the price of cigarettes to jum
AysviL [449]

Answer:

B. The elasticity of demand is -0.126

Explanation:

% Change in Quality demand = -2.65% (negative because of drop)

% Change in price = 21%

Elasticity of demand is given by

\text{Elasticity of demand}=\dfrac{\text{\% Change in Quality demand}}{\text{\% Change in price}}\\\Rightarrow \text{Elasticity of demand}=\dfrac{-2.65}{21}\\\Rightarrow \text{Elasticity of demand}=-0.12619

The Elasticity of demand is -0.12619

8 0
4 years ago
What are two properties that lead to ElectroMagnetic Interactions? please help this is due very soon!!!
melisa1 [442]

Answer:

Electric charge. A fundamental property that leads to the electromagnetic interactions among particles that make up matter.

7 0
3 years ago
Which quantity may be calculated directly using Newton's second law of motion?
xxMikexx [17]

Answer:

Weight

Explanation:

The second law of motion by Newton can be used to determine weight.

4 0
2 years ago
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