4th Quarter Coverage: Week 3 Modules
Heads and Tails. Rearrange these half sentences so they make sense. Write
the complete sentence on the blank
1. Day happens when the part of the Earth you are on is pointina
towards the sun
is turned away from
the sun
1. Day happens when the part of
the Earth you are on...
2. Nicht is when your half of the
Earth...
is one day
3. It is night when...
because it is no longer
being heated by the sun
is pointing towards
the sun
4. The Earth spins on its axis...
5 24 hours
because the Earth
spins on its axis.
and light from the sun
6. We get heat.
17. At night the Earth cools down...
once every 24 hours
8. We get day and night...
you are in the shadow 01
the Earth​

1.in one challenge on the titan games, competitors have to lift 200 pounds up a long ramp. angel is able to move the weight in 42 seconds. anthony gets it done in only 38 seconds. which statement is true? angel has more power than anthony. angel does more work than anthony. anthony does more work than angel. anthony has more power than angel. 2.a mountain climber exerts 41,000 j of work to climb a cliff. how much power does the climber need if she wants to finish in only 500 seconds? power = work / time 20,500,000 watts 82 watts 0.0122 watts 41,500 watts 3.your family is moving to a new apartment. while lifting a box 83 joules of work is done to put the box on a truck, you exert an upward force of 75 n for 3 s. how much power is required to do this? (hint: you only need two of the 3 numbers given! ) power = work / time 249 watts 25 watts 2075 watts 27.7 watts

Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".

Using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.