Physics, 26.08.2019 05:30 angebaez91
You throw a rock straight up into the air with a speed of 14.2 m/s. how long does it take the rock to reach its highest point?
a. 2.1 s
b. 1.4 s
c. 0.7 s
d. 1.2 s
Answers: 1
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An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
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Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor
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An alarm clock has a current of 4.5 amps and a resistance of 3.2 ohms. what is the voltage in the circuit? a.1.4 volts b.0.71 volts c.14 volts d.46 volts
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Physics, 23.06.2019 01:00
What is the frequency if a wave that pases a given pount 22 times in 2 seconds
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You throw a rock straight up into the air with a speed of 14.2 m/s. how long does it take the rock t...
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