Answer:
5. All of the answers are yes.
Explanation:
<h2><u><em>
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No "might<span>". The amount of CO2 in the </span>atmosphere<span> HAS gone up since the start of industrialisation as the result of </span>burning fossil fuels<span>.</span>
Answer:
Yes
Explanation:
Energy can be transferred from one object to another or between energy stores within the same object. For example on a pool table when white ball hits another ball energy is transferred from the kinetic store of the white ball to the kinetic store of the other ball.
Answer:
The diameter of the axle is 5.08 cm.
Explanation:
Given that,
Force = 800 N
Distance = 78.0 m
Suppose we need to find the diameter of the axle be in order to raise the buckets at a steady 2.00 cm/s when it is turning at 7.5 rpm.
We need to calculate the radius of axle
Using formula of linear velocity


Where, v =velocity
r = radius
=angular velocity
Put the value into the formula


We need to calculate the diameter of axle
Using formula of diameter



Hence, The diameter of the axle is 5.08 cm.
Answer: Many times, one investigation leads to another, with more questions, and more predictions.
Explanation: We never really know it all :)