Physics, 25.11.2019 23:31 valencial0917
Assume that the elastic bands on a slingshot work like a spring with a spring constant of 250 n/m (they actually follow a slightly different, though similar, law than springs). if you have to pull back with 100 n of force to hold the pouch against bands that start out 20 cm long, how long (meters) are the bands when stretched?
Answers: 1
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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
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This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
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Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
Assume that the elastic bands on a slingshot work like a spring with a spring constant of 250 n/m (t...
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