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WINSTONCH [101]
4 years ago
12

How many times a day does the minute hand move around the clock?

Physics
2 answers:
vesna_86 [32]4 years ago
7 0
You do 1 day is equal to 24 hours and in one hour there is 60 minutes so 24x60 is 1440 minutes in a day
lakkis [162]4 years ago
3 0
The minute hand goes all the way around the clock in one hour. There are 24 hours in one whole day, so the minute hand makes 24 whole trips around in a whole day.
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What velocity must a 1210 kg car have in order to have the same momentum as the pickup truck in the sample problem
harina [27]

Answer:

P=mv 2250*25=56250

Explanation:

p of truck =2250*25 =56250

since p of truck = p of car

then p of car = 56250

therefore p of car = 1210 * v

or, 56520=1210v

or,v= 56520/1210=46.48

so, v of car is 46.48m/s

3 0
3 years ago
Mildred takes a pound of frozen hamburger meat out of the freezer and puts it into the refrigerator.
Hatshy [7]
The meat in the freezer is frozen. 
Everything else in the freezer is frozen too. 
Nothing in the refrigerator is frozen. 
The freezer is colder than the refrigerator.  <span>

Mildred takes a pound of frozen hamburger meat out of the freezer
and puts it into the refrigerator.  The meat is colder than anything
else that's in there.

Heat flows from the air in the refrigerator into the frozen hamburger (C)
and warms up the meat.  When the temperature of the meat warms up
to the temperature of the air in the refrigerator, the heat stops flowing.</span>
7 0
3 years ago
Which of the following could you do to increase the strength of an electromagnet?
Ann [662]
Wrap around a metal with wire instead of using wire alone.
8 0
4 years ago
Why do astronomers use the astronomical unit to measure distance of the solar system?
Ivahew [28]
An astronomical unit is the measure of the center of the Earth to the center of the sun. 

Because our solar system is so vast, using mere miles is ridiculous, because they are too small to be helpful and the numbers will be in the billions. Astronomical units make it easier to think in small amounts.

Hope this helps :)
4 0
3 years ago
The velocity versus time graph of particle A is tangent to the velocity versus time graph for particle B at point O. What is the
lara [203]
As velocities are tangent, the value of both Particle A and Particle B would be same for that point O (Intersecting point)

a = v / t
Here, v = 7, t = 6
So, a = 7/6
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So, a = -1.17 m/s²

In short, Your Answer would be Option C

Hope this helps!
7 0
3 years ago
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