Explanation:
Average velocity = displacement / time
v = (25 m − 2 m) / 4.5 s
v = 5.11 m/s
Answer:
a. -5,4
b. 28
Explanation:
(see how to solve in pic)
Answer:
1 because I looked it up for sure
Answer:
Given that,
- Power = 2000 W
- time = 60 seconds
- distance= 10m
Power = work done ÷ time
Here, since the movement is vertical, w = mgh
So,
Power = mgh÷t
2000 = (m × 9.8 ×10) ÷ 60
m = (2000 ×60) ÷98
m = 1224.5kg
Acceleration = (final velocity - initial velocity) / time
= (35-65)/10
= -3 m/s2