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schepotkina [342]
3 years ago
8

Why are joints important

Physics
1 answer:
zheka24 [161]3 years ago
5 0

Answer:

Because they help us move if we didn't have joints we would be like a wobbly balloon at a car dealership.

Explanation:

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Annie has a soccer ball and a cake ball she kicks each ball with the same Force the soccer ball accelerates at 3 m per second sq
lana [24]
Answer: The acceleration will be greater in the kickball than the soccer ball since the kick ball has a smaller mass and provided they are acted upon with equal force magnitude.

Explanation:

We can prove this by substituting with numerical values.

Say the force she kicked both balls with was 30 N. The mass of the soccer ball is 10kg and the mass of the kickball is 6kg.

Applying Newtons Second Law, F = ma

For the soccer ball:

30 = 10a
a = 30/10
a = 3

For the kickball:

30 = 6a
a = 30/6
a = 5

Hence the kickball will travel with a greater acceleration given the same force is acted upon and has a smaller mass than the soccer ball

Hope this helps, brainliest would be appreciated :)
4 0
3 years ago
A ball with a mass of 0.5 kilograms is lifted to a height of 2.0 meters and dropped. It bounces back to a height of 1.8 meters.
Degger [83]
Hi, thank you for posting your question here at Brainly.

To compute for the change in potential energy, the equation would be:

delta PE =  mg*delta h
delta PE = 0.5*9.81*(2-1.8)
delta Pe = 0.98 J

The potential energy is converted to kinetic energy.
3 0
4 years ago
Read 2 more answers
Think of three questions that will help you clarify your understanding of how of the factors that have contributed to the rise i
fenix001 [56]

Answer:

the glucose in air will solidify and it will stop the process.

it will cause hot air

6 0
3 years ago
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Suppose a 1.2 m antenna is installed on top of a building that is 225 m tall,
vazorg [7]

Answer: 226.2 m

Explanation:

If we want to find the new total height H of the building, we have to add to its initial height h_{B}=225m the height of the antenna h_{A}=1.2m, as follows:

H=h_{B}+h_{A}

H=225m+1.2m

Then:

H=226.2m This is the new total height of the building.

7 0
3 years ago
A larger amplitude indicates increased ____________ in a mechanical wave.
Misha Larkins [42]
Sound. Hope I helped! C=
5 0
4 years ago
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