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ziro4ka [17]
3 years ago
6

Which information about the earth would not be represented when a globe is used as a model?

Physics
1 answer:
egoroff_w [7]3 years ago
5 0
A globe sitting on the desk can't demonstrate the speed of axial rotation
or the speed of orbital revolution.
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Suppose 500 joules of work is done to push an object in 15 seconds. Find the power for this situation
ohaa [14]

Answer:

You have to calculate

Explanation:

Work is done when a force that is applied to an object moves that object. The work is calculated by multiplying the force by the amount of movement of an object (W = F * d). A force of 10 newtons, that moves an object 3 meters, does 30 n-m of work.

5 0
3 years ago
A student connects a 1 hp motor to a bicycle. How much time will it take for the bicycle to accelerate from rest to a speed of 5
bija089 [108]

Answer:

t=2s

Explanation:

The definition of power is:

P=\frac{W}{t}

And the work-energy theorem states that:

W=\Delta K

Since the movement starts from rest, we have that:

\Delta K=\frac{mv_f^2}{2}-\frac{mv_0^2}{2}=\frac{mv_f^2}{2}

And putting all together:

P=\frac{mv_f^2}{2t}

Since we want the time taken:

t=\frac{mv_f^2}{2P}

Which for our values is:

t=\frac{(120kg)(5m/s)^2}{2(746W)}=2s

7 0
3 years ago
Read 2 more answers
If you increase the mass of an object and want to move an object a specific distance, what do you need to do
Alexxandr [17]

If you increase the mass of an object and want to move an object a specific distance, then you need to do extra work than the earlier

<h3>What is work done?</h3>

The total amount of energy transferred when a force is applied to move an object through some distance

Work Done = Force * Displacement

For example, let us suppose a force of 10 N is used to displace an object by a displacement of 5 m then the work done on the object can be calculated by the above-mentioned formula

work done = 10 N ×5 m

                 =50 N m

Thus, when an object's mass is increased and it is desired to move it a certain distance, more work must be done than previously.

Learn more about work done from here

brainly.com/question/13662169

#SPJ1

3 0
1 year ago
When looking at liquids in a container, that have layered on one another;
Mashcka [7]

Answer: C. At the bottom

4 0
2 years ago
Does the diagram show a spring or neap tide?How do you know?
vampirchik [111]
It shows a neap tide 
6 0
3 years ago
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