Four objects having varied masses are initially at rest at different heights above the ground. The masses and starting heights are given in the table. Object Mass (kg) Height (m) A 0.762 17.6 В 0.417 27.2 C 0.316 12.3 D 0.381 32.6 Each mass is allowed to fall to the ground, and air resistance is negligible. Rank the kinetic energy and speed with which each object hits the ground from highest to lowest.
Four objects having varied masses are initially at rest at different heights above the ground. The masses and starting heights are given in the table. Object Mass (kg) Height (m) A 0.762 17.6 В 0.417 27.2 C 0.316 12.3 D 0.381 32.6 Each mass is allowed to fall to the ground, and air resistance is negligible. Rank the kinetic energy and speed with which each object hits the ground from highest to lowest.
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Transcribed Image Text:Four objects having varied masses are initially at rest at different heights above the ground. The masses and starting heights
are given in the table.
Object
Mass (kg)
Height (m)
A
0.762
17.6
В
0.417
27.2
C
0.316
12.3
D
0.381
32.6
Each mass is allowed to fall to the ground, and air resistance is negligible. Rank the kinetic energy and speed with which
each object hits the ground from highest to lowest.
Most kinetic energy
Highest speed
object D
object B
object A
object C
object C
object D
object B
object A
Least kinetic energy
Lowest speed
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