If Earth's axis was "straight up and down" instead of tilted, then ...
<span>-- There would be no seasons.
-- The climate at any one place would be the same all year around.
-- The days would be the same length, everywhere,
and all year around.
-- So would the nights.
-- The sun would be up a little more than 12 hours every day.
It would be down a little less than 12 hours every day.
-- At the middle of the day, the sun would be at the same height
in the sky all year around, not higher in some months and lower
in others.
-- The equator would be the only place on Earth where the sun
could ever be directly over your head.
-- If you were at the north pole or the south pole, the sun would be
down on the horizon, and it would just go around and around you
every day. It would never rise or set, and it would never get any
higher or lower.
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Activation energy is the energy required for a reaction to occur, and determines its rate.<span>
</span>
Answer:
B. Neutrons
Explanation:
Neutrons have a neutral electrical charge hence the name "neutron".
Answer:
W and Z
Explanation:
Work done is the force applied to move a body through a distance in a specific direction.
Work done = Force x distance
Now let's use this formula to solve for work done;
Scenario W: A force of 75 N moves a box 15 m.
Work done = 75 x 15 = 1125J
Scenario X: A force of 100 N moves a box 12 m.
Work done = 100 x 12 = 1200J
Scenario Y: A force of 50 N moves a box 20 m.
Work done = 50 x 20 = 1000J
Scenario Z: A force of 25 N moves a box 45 m.
Work done = 25 x 45 = 1125J
Choices W and Z is the right option in which the same amount of work is done on the box.
This is a conservation of momentum problem! Here's how to do it:
