What is terrestrial radiation?a. radiation that comes from the sun
b. radiation that is absorbed by the sun
c. radiation that comes from the earth
d. radiation that is absorbed by the earth
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What is the difference between a silicate and nonsilicate
1. The force between a pair of charges is 100 newtons. The distance between the charges is 0.01 meter. If one of the charges is 2 u 10-10 C, what is the strength of the other charge?2. The force between two charges is 2 newtons. The distance between the charges is 2 u 10-4 m. If one of the charges is 3 u 10-6 C, what is the strength of the other charge?
In your upper body there is a muscle called
Table C. The Effects of a Magnet on Electric CurrentScenarioObservations of Compass Needle Movement inGalvanometerMagnet moving rightto left(or top to bottom)Magnet moving left toright(or bottom to top)Magnet stationaryin coilPencil moving right toleft(or top to bottom)Pencil moving left toright(or bottom to top)Can someone please help me
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The total pressure exerted by a person when he stands on both the feet is 10000000 Pascals
Explanation:
Given data
Weight of the person= 500 N
Area of the foot= 0.5 m ²/ 100 ×100
To find the pressure exerted we have the formula,
Pressure exerted= force/area
Pressure exerted= 500 ×100×100/0.5
Pressure exerted=10000000 Pascals
The total pressure exerted by a person when he stands on both the feet is 10000000 Pascals
A. 5
B. 3
C. 7
D. 4
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Answer:
Option B
3
Explanation:
The two dimensions have the following significant numbers
4.56- 3 significant numbers
5.668- 4 significant figures
When responding, we give area as per the most precise number given hence the smallest (most precise) significant figures in these two numbers is 3. Therefore, the area will be given to 3 significant figures ie
4.56*5.668=25.84608 square meters
Area=25.8 square meters
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Ah hah ! That depends on where he weighs 1250N, because
weight depends not only on mass but also on the local gravity.
So the same mass can have different weights in different places,
and the same weight can indicate different mass in different places.
Weight = (mass) x (acceleration of gravity) .
Note: 1250N is almost exactly 281 pounds.
-- If he weighs 1250N on Mars, then his mass is 336.8 kg.
-- If he weighs 1250N on Earth, then his mass is 127.5 kg.
-- If he weighs 1250N on the Moon, then his mass is 770.2 kg.
It reflects a lot of light, transmits almost no light, and absorbs some light.
B.
It reflects some light, transmits some light, and absorbs no light.
C.
It reflects all light, transmits all light, and absorbs some light.
D.
It reflects almost no light, transmits almost no light, and absorbs almost no light.
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Hope I helped, and good luck!
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The angular velocity of a clocks second hand, its minute hand, and its hour hand are 0.1047rad/s, 1.745 × 10⁻³rad/s and 1.454 × 10⁻⁴rad/s respectively.
Time period for second hand;
Time period for minute hand;
Time period for hour hand;
Now, we use the relation between angular speed and time period:
Where ω is the angular velocity and T is the time period in seconds.
For Second hand
For Minute hand
For Hour hand
Therefore, the angular velocity of a clocks second hand, its minute hand, and its hour hand are 0.1047rad/s, 1.745 × 10⁻³rad/s and 1.454 × 10⁻⁴rad/s respectively.
Learn more: brainly.com/question/8711708
Second hand:
1 rev per minute = (2π radians/minute) x (1 min/60sec) = π/30 rad/sec
Minute hand:
1 rev per hour = (2π radians/hour) x (1 hr/3600 sec) = π/1800 rad/sec
Hour hand:
1 rev per 12 hours = (2π rad/12 hr) x (1 hr/3600 sec) = π/21,600 rad/sec
As long as the clock is in good working order, and the hands are turning steadily at their normal rate, there is no angular acceleration.
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Answer:
Everything that has mass has gravity. The greater the amount of mass, the greater the gravity. And the closer objects are to each other, the stronger their gravitational pull is. The reason we have weight is because of the gravitational pull on our bodies (our mass) by the Earth.
Explanation:
Answer:
Everything that has mass has gravity. The greater the amount of mass, the greater the gravity. And the closer objects are to each other, the stronger their gravitational pull is. The reason we have weight is because of the gravitational pull on our bodies (our mass) by the Earth.
Explanation: