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Studentka2010 [4]
2 years ago
14

8 N to the left , and 4 N to the right. Find the net force. Is this balanced?

Physics
1 answer:
alukav5142 [94]2 years ago
7 0

Explanation:

12N by first law of newton is net force after colloision

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A particle is confined to the x-axis between x = 0 and x = 1 nm. The potential energy U = 0 inside this region and U is infinite
DiKsa [7]

Answer:

Explanation:

According to heisenberg uncertainty Principle

Δx Δp ≥ h / 4π , where Δx  is uncertainty in position , Δp is uncertainty in momentum .

Given

Δx = 1 nm

Δp ≥ h /1nm x  4π

≥ 6.6 x 10⁻³⁴ / 10⁻⁹ x  4 π

≥  . 5254 x ⁻²⁵

h / λ ≥  . 5254 x ⁻²⁵

 6.6 x 10⁻³⁴ /. 5254 x ⁻²⁵ ≥ λ  

12.56 x 10⁻⁹ ≥ λ  

longest wave length = 12.56 n m

6 0
3 years ago
How can i solve this?
Luba_88 [7]
El peso anywhere = (mass) x (gravity there). Gravity en la Tierra = 9.81 m/s^2. Gravity en la Luna = 1.62 m/s^2.
4 0
3 years ago
4. A stone is dropped from the fifth floor of a building from a height 14 m. How long would it take
aleksklad [387]

Answer:

1.690308509s

Explanation:

v²=u²+2as

v²=0²+2(9.8)(14)

v²=274.4

∴v=16.56502339m/s

v=u+at

16.56502339=0+9.8t

∴t=1.690308509s

6 0
3 years ago
What are the four ways to describe motion​
nikklg [1K]

Answer:

position, speed, direction, and acceleration.

Explanation:

5 0
3 years ago
A and B start walking in the same direction at the same time around a circular park of diameter 4200 m. If A walks 10 m more tha
Liono4ka [1.6K]

Answer:

Va = 5000 m / 3600 s = 1.39 m/s

(Va - Vb) 60 = 10

Vb = Va - .167 = 1.22 m/s

(Va - Vb) T = 4200 Π      where T is time for A to complete 1 more lap

.17 T = 4200 Π

T = 24700 Π  time for A to again catch B

N = 1.39 * 24700 Answer:

Va = 5000 m / 3600 s = 1.39 m/s

(Va - Vb) 60 = 10

Vb = Va - .167 = 1.22 m/s

(Va - Vb) T = 4200 Π      where T is time for A to complete 1 more lap

.17 T = 4200 Π

T = 24700 Π  time for A to again catch B

N = 1.39 * 24700 Π / (4200 Π) = 8.2   laps

A will make 8 but not 9 rounds before catching B

6 0
2 years ago
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