B) not work ,because the water would freeze
The answer would be
C. Rods and Cones
An object's momentum is the product of its mass and its velocity:
p = mv
p is its momentum, m is its mass, and v is its velocity.
Given values:
p = -80kg×m/s
m = 8kg
Plug in these values and solve for v:
-80 = 8v
v = -10m/s
Choice D
Answer:
The common velocity v after collision is 2.8m/s²
Explanation:
look at the attachment above ☝️