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Natasha2012 [34]
3 years ago
10

Please help ASAP I’ll give brainly and 10 points

Physics
1 answer:
Tcecarenko [31]3 years ago
8 0
Answer: it’s the third one ☝️
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Calculate the kinetic energy of a dog,
Vanyuwa [196]

B: 20 j

Explanation. Because

6 0
3 years ago
what is the magnitude of the vector described below? 13 m/s to the east a. east b. meters per second c. 13 m/s d. meters
Katen [24]

Answer:

C

Explanation:

Magnitude of any quantity is the measurable value of the quantity. While the direction of the given quantity is the specific pointing direction of position or the angle at which it move.

The magnitude of the vector described below? 13 m/s to the east will be 13 m/s

While the direction will be eastward.

Therefore, the magnitude is 13 m/s

The correct answer is option C

3 0
3 years ago
The heliocentric theory suggests blank
astra-53 [7]

Answer:

Heliocentrism is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Universe.

Explanation:

4 0
3 years ago
Compare a cup of hot coffee with the Pacific Ocean. Which statement about thermal energy and temperature is correct?
Keith_Richards [23]
The answer is D

The body of water contains more molecules; more molecules, more kinetic energy, which creates thermal energy. 

The molecules are moving faster is the coffee, so the temperature is higher.
7 0
3 years ago
5) A parallel series electric blasting circuit consists of 6 branches of 8 caps each. Cap legwire length is 28 ft. The cap circu
andrezito [222]

Answer:

Minimum DC current = 9 Ampere

Voltage = 74.862 V

Explanation:

Here in this questions three resistors are used in series

Resistance of cap circuit

R_1 =\frac{ 8* 2.3}{6} \\R_1 = 3.067

Here 2.3 is the resistance per cap

Resistance of bus wire

R_2 = \frac{50 * 4.02 }{1000} \\R_2 = 0.201

Where 4.02 is the resistance per 1000 feet of bus wire of gauge 16

Resistance of firing line

R_3 = \frac{(2*1000)* 2.525}{1000} \\R_3 = 5.05

where 2.525 is the resistance per 1000 feet of bus wire of gauge 14

Total resistance is equal to

R = R_1 + R_2 + R_3\\R = 3.067 + 0.201 + 5.05 \\R = 8.318

Current in firing line is equal to

1.5 * 6\\= 9

Voltage is equal to product of resistance and current

= 9 * 8.318\\= 74.862

4 0
3 years ago
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