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mr_godi [17]
2 years ago
12

This graph shows the energy of a reaction over time. Which statement is

Physics
2 answers:
Mrac [35]2 years ago
8 0

Answer:

D. F represents the activation energy

Explanation:

kirill115 [55]2 years ago
3 0

Answer: D.

Explanation: Just took the quiz.

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You hear an _____ when sound bounces off a hard surface.
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A sportscar has a mass of 1500 kg and accelerates at 5 meters per second squared. What is the magnitude of the force acting on t
Hatshy [7]

Answer:

7500 Newtons

Explanation:

Mass of the sportscar= 1500 kg

Acceleration of the sportscar= 5m/s^2

Hence, let the Force acting on it be F

We\ know\ that,\\Force=Mass*Acceleration\\F=ma\\\\Here,\\F=1500*5\\=7500 kg m/s^2\ or\ 7500\ Newtons

4 0
2 years ago
An electric wheel chair is designed to run on a single 12-V battery rated to provide 100 ampere-hours. How much energy is stored
Paha777 [63]

Explanation:

It is given that,

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Current, I = 100 ampere-hours

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E=P\times t

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P=12\times 100

P = 1200 watts

This power can be used for 1 hour or 3600 seconds

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E = 4320000 J

So, the energy stored in this battery is 4320000 J. Hence, this is the required solution.

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3 years ago
Describe a positive and negative net force acting on an object
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