Question

answer properly please​

Answer 1

Answer:

Correct answer is D

Explanation:

I hope above solution is clear to you...

Answer 2

answer :

refer image

therefore option d is wrong since velocity is 180m/s and not 90m/s

for this type of questions , keep in mind , refer options first , here since velocity is repeated two times , you can be sure that velocity is incorrect , so calculate velocity only and save time.

please do mark brainliest if you understood

and happy learning !!