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  • Cars travel at , while trains travel at   <img alt="80\frac{m}{s}" src="

Cars travel at 40\frac{m}{s}, while trains travel at   80\frac{m}{s}. Regarding vehicles, how fast does the train move with respect to car?
 

Option: 1

 40\ \frac{m}{s} fast


Option: 2

80\ \frac{m}{s} fast       


Option: 3

40\ \frac{m}{s} slow


Option: 4

60\frac{m}{s}slow           
 


Answers (1)

best_answer

Answer: (1) 40\ \frac{m}{s} fast           

Explanation:

Explanation: We need to find the relative speed of the train compared to the truck, i.e.

   v_B=40       

and, v_A=80      

We know that:

    v_{R\ }=v_A-v_B

When we solve this problem, we get:

v_R=40\ \frac{m}{s}         

 

Posted by

Ritika Jonwal

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