A 8050-kg railroad car travels alone on a level frictionless track with a constant speed of 22.0 m/s. A 3550-kg load, initially at rest, is dropped Part A onto the car. What will be the car's new speed? Express your answer to three significant figures and include the appropriate units. HA Value Units

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 9.4OQ: A 2-kg object moving to the right with a speed of 4 m/s makes a head-on, elastic collision with a...
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Problem 7.03
2 of 6
Constants
A 8050-kg railroad car travels alone on a level
frictionless track with a constant speed of 22.0
m/s . A 3550-kg load, initially at rest, is dropped
Part A
onto the car.
What will be the car's new speed?
Express your answer to three significant figures and include the appropriate units.
HA
v =
Value
Units
Submit
Request Answer
Provide Feedback
Next >
Transcribed Image Text:Problem 7.03 2 of 6 Constants A 8050-kg railroad car travels alone on a level frictionless track with a constant speed of 22.0 m/s . A 3550-kg load, initially at rest, is dropped Part A onto the car. What will be the car's new speed? Express your answer to three significant figures and include the appropriate units. HA v = Value Units Submit Request Answer Provide Feedback Next >
Problem 7.11
3 of 6
Constants
A 22-g bullet traveling 285 m/s penetrates a
2.0 kg block of wood and emerges going
140 m/s.
Part A
If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
Express your answer to two significant figures and include the appropriate units.
?
v3 =
Value
Units
Submit
Request Answer
Provide Feedback
Next >
Transcribed Image Text:Problem 7.11 3 of 6 Constants A 22-g bullet traveling 285 m/s penetrates a 2.0 kg block of wood and emerges going 140 m/s. Part A If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units. ? v3 = Value Units Submit Request Answer Provide Feedback Next >
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