Physics, 18.07.2019 02:30 cuppykittyy
If measuring experimental results, what can you predict about the work output of a 1200 watt hair dryer? a. the work output of the hairdryer will be less than the work input b. the work output of the hairdryer will be equal to the work input c. the work output of the hairdryer will be greater than the work input d. the work output of the hairdryer cannot be predicted in the real world
Answers: 2
Physics, 22.06.2019 04:00
Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j
Answers: 2
Physics, 22.06.2019 15:00
For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat
Answers: 1
Physics, 22.06.2019 16:00
In which of the following is positive work done by a person on a suitcase
Answers: 1
Physics, 22.06.2019 17:40
Aspring is used to stop a 50-kg package which is moving down a 20ΒΊ incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
Answers: 1
If measuring experimental results, what can you predict about the work output of a 1200 watt hair dr...
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