Please help with number 5
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Answer 1
Answer:
the answer would be 3n to the right because 7-4=3 and the 5-5, so they cancel out.
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Since the device is a speedometer, the data it read is the speed of the racecar. Data recording involving time usually uses time as the independent variable. It was also said in the problem that it records the speed every second which shows that the time interval is constant. This means that only other data, the car's speed, is the dependent variable.
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A light-year is a distance.
It's the distance that light travels through vacuum in one year.
The distance is 9.4607 x 10¹² kilometers in metric units, and 5.8786 x 10¹² miles
in 'customary' units, and is normally written without a bunch of question marks.
It's the distance that light travels through vacuum in one year.
The distance is 9.4607 x 10¹² kilometers in metric units, and 5.8786 x 10¹² miles
in 'customary' units, and is normally written without a bunch of question marks.
A light year is an unit of distance.
≈ 
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answer is: A wave of reversal of the negative electrical potential inside the cell passes along the axon with ions moving in and out of the axon.
your nerves are connected to your brain
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Acceleration = (change in speed) / (time for the change)
(Note: That's all the Physics there is to this problem.
The rest is all arithmetic.)
=======================================
change in speed = (40 - 20) miles/hour = -20 miles/hour
time for the change = 10 minutes
Acceleration = (-20 miles/hour) / (10 minutes) =
-2 miles/hour per minute .
That's a perfectly good and technically correct expression for acceleration.
But obviously the units might make some people dizzy. So let's try to
clean it up a little.
Notice that 10 minutes is 1/6 of an hour.
So we could write the acceleration as
Acceleration = (-20 miles/hour) / (1/6 hour) = -120 miles/hour per hour =
-120 miles/hour² .
You could convert this into any units you like. It's really not a physics problem
any more, it's just an exercise in converting units.
First segment: The airplane is descending slowly, with time and distance at a 3:1 ratio. It is probably approaching the airport
Second segment: The airplane is maintaining its altitude. It is probably waiting for the other planes to clear away
Third segment:The airplane descending rapidly, with time and distance at a 1:2 ratio. It is probably landing
Sorry, my bad.
To find acceleration, we use v2-v1 /t
40mph - 20mph / 10 min
20mph/10min
We can convert this to 20/6 miles per 10 minutes, and cancel out the 10 min to 20/6 miles, which is 10/3 miles
Second segment: The airplane is maintaining its altitude. It is probably waiting for the other planes to clear away
Third segment:The airplane descending rapidly, with time and distance at a 1:2 ratio. It is probably landing
Sorry, my bad.
To find acceleration, we use v2-v1 /t
40mph - 20mph / 10 min
20mph/10min
We can convert this to 20/6 miles per 10 minutes, and cancel out the 10 min to 20/6 miles, which is 10/3 miles
Answers
R=10
F=R/2
F=10/2=5
F=-5(CONCAVE MIRROR)
U=-8(CONCAVE MIRROR)
HEIGHT OF OBJECT=1.5
V=?
HEIGHT OF IMAGE=?
I/F=1/U+1/V
-I/5=-1/8-1/V
-1/V=-1/5+1/8
-1/V=-8+5/40
-1/V=-3/40
1/V=3/40
V=40/3
HEIGHT OF IMAGE/HEIGHT OF OBJECT =-V/U
HEIGHT OF IMAGE=40/3*1/-8*15/10
=-20/8
=-2.5
F=R/2
F=10/2=5
F=-5(CONCAVE MIRROR)
U=-8(CONCAVE MIRROR)
HEIGHT OF OBJECT=1.5
V=?
HEIGHT OF IMAGE=?
I/F=1/U+1/V
-I/5=-1/8-1/V
-1/V=-1/5+1/8
-1/V=-8+5/40
-1/V=-3/40
1/V=3/40
V=40/3
HEIGHT OF IMAGE/HEIGHT OF OBJECT =-V/U
HEIGHT OF IMAGE=40/3*1/-8*15/10
=-20/8
=-2.5
buzzer
motor
switch
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"The Light Bulb" would be the answer of your question. It converts "Electrical energy" into "Light Energy". So, they should use this, for their replacement purpose in the toy.
In short, Option A is your correct answer.
Hope this helps!
In short, Option A is your correct answer.
Hope this helps!
The light bulb, it takes electrical energy and turns it into light energy!
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