Physics, 28.09.2019 15:00 kenisonpaigebosma
Athird class lever has a mechanical advantage of < 1. what is an example of a third class lever and why use it?
a) pulley; changes direction
b) baseball bat; increases velocity
c) car jack; increases the weight it can lift
d) wheel barrow; makes it easier to move a load
Answers: 2
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Write a question about how changing temperature affects the gas inside the sports ball
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What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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Physics, 22.06.2019 21:50
Ajoint produces movement when its angle decreases. which type of movement is it?
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Athird class lever has a mechanical advantage of < 1. what is an example of a third class lever a...
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