Steel paper clip because it can be moved by the magnet and it is lighter than the iron nail
Answer: 14. 49 m
Explanation:
We can solve this problem with the following equations:
(1)
(2)
Where:
is the horizontal distance between the cannon and the ball
is the cannonball initial velocity
since the cannonball was shoot horizontally
is the time
is the final height of the cannonball
is the initial height of the cannonball
is the acceleration due gravity
Isolating
from (2):
(3)
(4)
(5)
Substituting (5) in (1):
(6)
Finally:
Explanation:
If you write it in English so I can help u if you need it
Answer:
1 B. Convert v from km/min to m/s ( show work and units
The correct answer to this is (A. Units Only).
It shows that there is a velocity of 35, but the units are missing.