what is its speed at time t?
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![1. A hose sprays water into a train car. The hose is fixed in place and directed along the tracks,
and the train car can move along the tracks without friction. The hose sprays water at a fixed
rate a ([a] =MT-1) and speed v; the mass of the empty car is M. If the train car starts empty
and at rest at t = 0, what is its speed at time t?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1abf8633-2b34-4935-9c24-0bc5b0e0c919%2Fd8109ac5-f69f-4b74-8306-bcb5de93225c%2F1sqbma_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. A hose sprays water into a train car. The hose is fixed in place and directed along the tracks,
and the train car can move along the tracks without friction. The hose sprays water at a fixed
rate a ([a] =MT-1) and speed v; the mass of the empty car is M. If the train car starts empty
and at rest at t = 0, what is its speed at time t?
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