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Andrei [34K]
3 years ago
8

An object is uniformly accelerated from rest to a speed of 35 meters per second in 7 seconds. The acceleration of the object is

Chemistry
2 answers:
gavmur [86]3 years ago
3 0
Its 5m/s because you have to find out how many meters for one second so you divide
35/7=5 so that's your answer
Leto [7]3 years ago
3 0

<u>Answer:</u> The acceleration of the object is 5m/s^2

<u>Explanation:</u>

Acceleration is defined as the rate of change of velocity. It is also defined as the ratio of velocity and time.

Mathematically,

a=\frac{v}{t}

where,

a = acceleration of the object

v = velocity of the object = 35 m/s

t = time taken = 7 s

Putting values in above equation, we get:

a=\frac{35m/s}{7s}=5m/s^2

Hence, the acceleration of the object is 5m/s^2

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Crinoid is a term that can be used to describe the radial symmetry of animals that have oral (side of mouth) and aboral surfaces (opposite to the mouth). It is characterized by the mouth at the top surface and surrounded by the arms for feeding it. This is a characteristic feature of animals like star fish and sea urchins and echinoderm animals.

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3 years ago
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If the temperature of a gas is increased from 20°C to 35°C, what is the new pressure if the original pressure was 1.2 atm? Assum
Marta_Voda [28]

Answer:

B.) 1.3 atm

Explanation:

To find the new pressure, you need to use Gay-Lussac's Law:

P₁ / T₁ = P₂ / T₂

In this equation, "P₁" and "T₁" represent the initial pressure and temperature. "P₂" and "T₂" represent the final pressure and temperature. After converting the temperatures from Celsius to Kelvin, you can plug the given values into the equation and simplify to find P₂.

P₁ = 1.2 atm                                    P₂ = ? atm

T₁ = 20 °C + 273 = 293 K              T₂ = 35 °C + 273 = 308 K

P₁ / T₁ = P₂ / T₂                                             <----- Gay-Lussac's Law

(1.2 atm) / (293 K) = P₂ / (308 K)                  <----- Insert values

0.0041 = P₂ / (308 K)                                   <----- Simplify left side

1.3 = P₂                                                         <----- Multiply both sides by 308

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1 year ago
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