In which of the following processes does the system's rest mass change?
A) An automobile speeds up.
B) A rubber ball is squeezed.
C) The rest mass changes in both of the above processes.
D) The rest mass changes in neither of the above processes.
B
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If we imagine that 1 in 10 million stars would eventually give rise to a civilization on an orbiting planet and assuming that there are 100 billion stars in our Milky Way galaxy, how often should a civilization randomly appear over a 5 billion year
period? A) once every 50 million years B) once every 50,000 years C) once every 500,000 years D) once every 5 million years
A flatbed truck is carrying an 800-kg load of timber that is not tied down. The maximum friction force between the truck bed and the load is 2400 N. What is the greatest acceleration that the truck can have without losing its load?
What will be an ideal response?
How does surface tension affect heat pipe performance?
What will be an ideal response?
The Galilean moons are _______________ satellites because they are large and orbit close to their parent planet
Fill in the blank(s) with correct word