Question: If two objects are moving in opposite directions with speeds of 10 m/s and 15 m/s, what is their relative speed?
Options:
5 m/s
25 m/s
15 m/s
10 m/s
Correct Answer: 25 m/s
Solution:
Relative speed = Speed of object 1 + Speed of object 2 = 10 m/s + 15 m/s = 25 m/s.
If two objects are moving in opposite directions with speeds of 10 m/s and 15 m/
Practice Questions
Q1
If two objects are moving in opposite directions with speeds of 10 m/s and 15 m/s, what is their relative speed?
5 m/s
25 m/s
15 m/s
10 m/s
Questions & Step-by-Step Solutions
If two objects are moving in opposite directions with speeds of 10 m/s and 15 m/s, what is their relative speed?
Step 1: Identify the speeds of the two objects. Object 1 is moving at 10 m/s and Object 2 is moving at 15 m/s.
Step 2: Since the objects are moving in opposite directions, we need to add their speeds together to find the relative speed.
Step 3: Add the speeds: 10 m/s + 15 m/s = 25 m/s.
Step 4: The result, 25 m/s, is the relative speed between the two objects.
Relative Speed – Relative speed is the speed of one object as observed from another object. When two objects move towards or away from each other, their relative speed is the sum of their speeds.
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