Answer:
The earths magnetic field
Explanation:
I think it’s C. But I’m not completely sure.
Answer:
H = 109.14 cm
Explanation:
given,
Assume ,
Total energy be equal to 1 unit
Balance of energy after first collision = 0.78 x 1 unit
= 0.78 unit
Balance after second collision = 0.78 ^2 unit
= 0.6084 unit
Balance after third collision = 0.78 ^3 unit
= 0.475 unit
height achieved by the third collision will be equal to energy remained
H be the height achieved after 3 collision
0.475 ( m g h) = m g H
H = 0.475 x h
H = 0.475 x 2.3 m
H = 1.0914 m
H = 109.14 cm
Given: Mass m = 18 Kg; Height h = 3.6 m; Time t = 60 s
Required: Power output in unit of Watts
Formula: P = mgh/t
P = (18 Kg)(9.8 m/s²)(3.6 m)/60 s
P = 10.58 J/s or Watts
