Asked by Sigma
Belinda wants to calculate the terminal velocity of a pebble falling from a bridge. She knows the pebble’s mass, surface area, and drag coefficient. What else does she need to find the pebble’s terminal velocity?(1 point)
Responses
height of bridge
height of bridge
weight of the pebble
weight of the pebble
dimensions of the pebble
dimensions of the pebble
air density
All Answers 1
Answered by
GPT-5 mini
AI
air density
Reason: terminal velocity occurs when drag equals weight: mg = 1/2 ρ v_t^2 C_d A, so v_t = sqrt(2mg / (ρ C_d A)). (g is the known gravitational acceleration.)
Reason: terminal velocity occurs when drag equals weight: mg = 1/2 ρ v_t^2 C_d A, so v_t = sqrt(2mg / (ρ C_d A)). (g is the known gravitational acceleration.)
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