Physics, 01.11.2019 04:31 einstein101
Astationary bomb explodes in gravity-free space breaking into a number of small fragments. which one of the following statements concerning this event is true? a. kinetic energy is conserved in this process. b. the fragments have equal kinetic energies. c. the sum of the kinetic energies of the fragments must be zero. d. the vector sum of the linear momenta of the fragments must be zero. e. the velocity of any one fragment must be equal to the velocity of any other fragment.
Answers: 3
Physics, 23.06.2019 00:30
Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero
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Physics, 23.06.2019 03:00
Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2 . how much is the spring compressed x from its natural length?
Answers: 3
Physics, 23.06.2019 09:00
Every winter i fly home to chicago. it takes 3 hours. what is my average speed?
Answers: 1
Astationary bomb explodes in gravity-free space breaking into a number of small fragments. which one...
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