At an event demonstrating old cannons, four different cannons are fired. The cannon balls used in the cannons are spherical lead balls with different masses. The cannons are fred vertically and the cannonbals are fred from them at exactly the same speed with exactly the same amount of force.
According to Newton's 2nd Law of motion, which cannon ball will reach the greatest height? (DOK 2, AKS 8b)
O A The ball in cannon D
B. The ball in cannon A
C. The ball in cannon B.
D. The ball in cannon C

I think the answer is A becasue if there spread vertically then they must not have the same mass or speed.

Explanation:

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.