What has happened to scientists' estimate of the world's age over time?
a) they have bec...
Physics, 25.01.2020 05:31 thomasalmo2014
What has happened to scientists' estimate of the world's age over time?
a) they have become increasingly uncertain as to the age of the earth
b) their thoughts about the age of the earth has remained unchanged
c) they think the earth is much younger
d) they think the world is much older
Answers: 3
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To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a βconstantβ is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .
Answers: 1
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An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
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Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0Β° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0Β° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?
Answers: 3
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6β43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
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