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Brilliant_brown [7]
3 years ago
10

A truck running at 115 km / h slows down at a rate of 4 m / s every 2 seconds. How far will it travel to a stop? choose the corr

ect option 1) 335.04m 2) 205.04m 3) 255.04m
Physics
1 answer:
Molodets [167]3 years ago
4 0

Answer:

3) 255.04 m

Explanation:

Given:

v₀ = 115 km/h = 31.944 m/s

v = 0 m/s

a = -(4 m/s) / 2s = -2 m/s²

Find: Δx

v² = v₀² + 2aΔx

(0 m/s)² = (31.944 m/s)² + 2 (-2 m/s²) Δx

Δx = 255.11 m

Closest answer is option 3.

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What is the potential difference between the plates of a 3.7-f capacitor that stores sufficient energy to operate a 75.0-w light
Elena L [17]

The potential difference between the plates will be 1552 Volts.

<h3>What is a potential difference?</h3>

Voltage, or the difference in electric potential between two points, is defined as the amount of labor per unit of charge needed to move a test charge between the two points.

Given that a 3.7-f capacitor that stores sufficient energy to operate a 75.0-w

The potential difference will be calculated by the formula below:-

Q = I t            

Where I = charge / time

Q = V * C    

V C = I t

V = I t / C

V = 75 C/s x 60 sec / 2.9 faraday

V =  1552 Volts

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4 0
1 year ago
O
Sergio [31]

see

below

Explanation:

refractive index = speed of light in vacuum / speed of light in medium

light travels at a speed of 3.0 x 10^8 m/s in vacuum

refractive index = 3.0 x 10^8 / 2.0 x 10^8

refractive index = 1.5

hope this helps, please mark it

4 0
3 years ago
Suppose a 200-mm focal length telephoto lens is being used to photograph mountains 11.5 km away. Part (a) What is image distance
Nuetrik [128]
This is your answer...Down below

5 0
3 years ago
Sort the following forces as relevant or not relevant to this situation. The symbols are defined as follows: normal force = n⃗ ,
Irina18 [472]

Answer:

it would be least to graetest

Explanation:

10-84

7 0
3 years ago
All types of mass movement are caused by the force of
PilotLPTM [1.2K]

Answer:

Mass and Acceleration

Explanation:

The typical Force equation is:

F = ma

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6 0
3 years ago
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