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Art [367]
3 years ago
6

In the theory of plate tectonics, various segments of Earths crust, called plates, move toward and away from each other. In one

instance, the plate that consists of the Indian subcontinent drifted from southeastern Africe to its current position in asia, traveling at a speed of 15cm/y. This plate collided with Asia, forming the Himalayan mountain range in the process. Most of this formation occurred during the last 1.00 x 10^7 years, during which time the indian subcontinents motion has slowed to about 5 cm/y. What has been the acceleration in units of cm/y^2, of the indian subcontinent during this time period.
Physics
1 answer:
GrogVix [38]3 years ago
7 0

Answer:

-1.00 × 10⁻⁶ cm/y²

Explanation:

Using a = (v - u)/t where a = acceleration of the indian subcontinent, v = final speed of the indian subcontinent = 5 cm/y, u = initial speed of the indian subcontinent = 15 cm/y, and t = time of motion of the indian subcontinent = 1.00 × 10⁷ years.

Substituting the values of the variables, we find the acceleration of the indian subcontinent, a  = (v - u)/t = (5 cm/y - 15 cm/y)/1.00 × 10⁷ years = -10 cm/y ÷ 1.00 × 10⁷ years = -1.00 × 10⁻⁶ cm/y²

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Zinaida [17]

Answer:

n = 25,464,790.89 revolutions

The tires have made 25,464,790.89 revolutions

Explanation:

Given;

Radius of tires r = 0.5 m

Total distance travelled d = 80,000 km = 80,000,000 m

1 revolution = 2πr

Total distance d = number of revolutions n × 2πr

d = n×2πr

d = 2πnr

Making n the subject of formula;

n = d/2πr

Substituting the given values;

n = (80,000,000)/(2×π×0.5)

n = 25,464,790.89470 revolutions

n = 25,464,790.89 revolutions

The tires have made 25,464,790.89 revolutions

5 0
3 years ago
A circuit has two 4Ω resistors in series with each other. What is the total resistance?
Paha777 [63]

Answer: 8Ω

Explanation:

Since there are two resistors of 4Ω

connected in series, the total resistance (Rtotal) of the circuit is the sum of each resistance.

i.e Rtotal = R1 + R2

R1 = 4Ω

R2 = 4Ω

Rtotal = ?

Rtotal = 4Ω + 4Ω

Rtotal = 8Ω

Thus, the total resistance of the circuit is 8Ω

3 0
3 years ago
Cindy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minu
PIT_PIT [208]

Answer:

200 m / min

Explanation:

Total distance = 2000 m

Total time = 2+4+1+3 = 10 minutes

Average speed = 2000 m / 10 min = 200 m/min

7 0
2 years ago
A source charge of 5.0 µC generates an electric field of 3.93 × 105 at the location of a test charge. How far is the test charge
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Answer:

B. )  0.34 m

I definitely guessed and got the right answer so :))

6 0
3 years ago
Read 2 more answers
20 cm long 10 cm wide and 5 cm thick as a mass of 500 g determine the greatest pressure that can be exerted by block on the flat
uysha [10]

100000 Pascal

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pressure= force/area

Max pressure= force/min area

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8 0
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