Physics, 02.06.2021 23:20 bgallman153p71edg
guys I really need help about this pls A bowling ball strikes a group of bowling pins at the end of a bowling lane. The total momentum of the bowling pins can only be zero if: a. The bowling pins are moving in the same direction b. The bowling pins are moving in different directions c. Some of the bowling pins are moving and some are at rest d. Some of the bowling pins are moving fast and some are moving slow
Answers: 1
Physics, 22.06.2019 02:30
The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
Answers: 3
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 07:30
Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
Answers: 3
guys I really need help about this pls A bowling ball strikes a group of bowling pins at the end of...
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