Physics, 24.10.2019 05:43 tddreviews
Choose all the answers that apply. which of the following forces require physical contact?
a. tension
b. air resistance
c. friction
d. magnetic force
e. applied force
choose all that apply !
Answers: 2
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Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )
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Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s
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The slope of a velocity time graph over any interval of time gives the during that interval
Answers: 2
Choose all the answers that apply. which of the following forces require physical contact?
a...
a...
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