Peregrine falcons, which can dive at 200 mph (90 m/s), grab prey birds from the air. The impact usually kills the prey. Suppose a 480 g falcon diving at 70 m/s strikes a 240 g pigeon, grabbing it in her talons. We can assume that the slow-flying pigeon is stationary. The collision between the birds lasts 15 ms. ▼ What is the final speed of the falcon and pigeon? Express your answer with the appropriate units. Uf = Submit Part B HÅ Fp,av = Value Request Answer Units What is the average force on the pigeon during the impact? Express your answer with the appropriate units. HÅ Value ➜ ? BUD Units ?
Peregrine falcons, which can dive at 200 mph (90 m/s), grab prey birds from the air. The impact usually kills the prey. Suppose a 480 g falcon diving at 70 m/s strikes a 240 g pigeon, grabbing it in her talons. We can assume that the slow-flying pigeon is stationary. The collision between the birds lasts 15 ms. ▼ What is the final speed of the falcon and pigeon? Express your answer with the appropriate units. Uf = Submit Part B HÅ Fp,av = Value Request Answer Units What is the average force on the pigeon during the impact? Express your answer with the appropriate units. HÅ Value ➜ ? BUD Units ?
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Transcribed Image Text:Peregrine falcons, which can dive at 200 mph
(90 m/s), grab prey birds from the air. The impact
usually kills the prey. Suppose a 480 g falcon diving
at 70 m/s strikes a 240 g pigeon, grabbing it in her
talons. We can assume that the slow-flying pigeon
is stationary. The collision between the birds lasts
15 ms.
▼
Part A
What is the final speed of the falcon and pigeon?
Express your answer with the appropriate units.
Uf =
Part B
Submit Request Answer
HÅ
Fp,av
Value
=
What is the average force on the pigeon during the impact?
Express your answer with the appropriate units.
HÅ
Value
PE ?
Units
→
DAN
Units

Transcribed Image Text:Problem 5
A 2.00x104 kg railroad car is rolling at 1.00 m/s
when a 6000 kg load of gravel is suddenly dropped
in.
Part A
What is the car's speed just after the gravel is loaded?
Express your answer with the appropriate units.
HÅ
Value
Submit
BIOG
Units
Request Answer
Units input for part A
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