Ellos tuvieron un <u><em>accidente</em></u> de carro. 
In this question we must fill the blank of a sentence in Spanish with a consistent and coherent choice, which is determined by common sense and own experience. 
A group of people had something related to the car. <em>Heart attack</em> is a disease that people may suffer, <em>being sick</em> is a state inherent to some people, <em>accidents</em> are bad events that may happen to people, <em>injection</em> is an action that people may decide to or not. 
Hence, the only choice that is consistent and coherent is the word <em>accidente</em>.
Ellos tuvieron un <u><em>accidente</em></u> de carro. 
We kindly invite to check this question on sentences in Spanish: brainly.com/question/22046418
 
        
                    
             
        
        
        
Answer:
In uniform circular motion, the speed remains constant while the direction of the object changes. This means the object experiences an acceleration toward the center of the circle, which is known as centripetal acceleration.
Explanation: