A person throws two balls from a cliff--the red one he throws down, the green on
ID: 1654913 • Letter: A
Question
A person throws two balls from a cliff--the red one he throws down, the green one he throws up with the same speed. Which of the following statements is false about their motion? A. both the balls accelerate at the same rate. B. the red ball lands on the ground before the green ball. C. The green ball travels a larger distance than the red ball. D. The average velocity of the red ball is greater than that of the green ball. E. The red ball reaches the ground with a higher velocity than the green ball. Please explain every single option.
Explanation / Answer
Answer is option E
A is true ..both balls are under the action of gravity..so acceleration of both are equal to acceleration due to gravity.
B is true ..simple
C is true As green ball goes up and come down
D is true as red ball takes less time to reach ground. Avg velocity= total displacement / time
E is wrong as both have same speed on reaching ground
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.