A cup of hot coffee has been left to cool in a room with an ambient temperature of 21^\circ{\text{C}}21 ∘ C21, degrees, start te
xt, C, end text. The relationship between the elapsed time, mmm, in minutes, since the coffee was left to cool, and the temperature of the coffee, TTT, measured in ^\circ C ∘ Cdegrees, C, is modeled by the following function. T(m)=21+74 \cdot 10^{-0.03m}T(m)=21+74⋅10 −0.03m T, (, m, ), equals, 21, plus, 74, dot, 10, start superscript, minus, 0, point, 03, m, end superscript. What will the temperature of the coffee be after 101010 minutes?
1 answer:
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Answer:44.58 J
Explanation:
mass of block
Force magnitude=3 N
Initial velocity =
Final velocity=
Initial Kinetic Energy=
=
Final Kinetic Energy=
=
Work Done =Final -Initial Kinetic energy=51.2-6.612=44.58 J
Answer:
The weight of body is 1.3040 gram.
Explanation:
Given that,
The weight y of a fiddler crab is directly proportional to the 1.25 power of the weight x of its claws.
Suppose a crab with a body weight of 1.8 gram has claws weighing 1.1 gram.
Estimate the weight of a fiddler crab with claws weighing 0.85 gram.
Determine the weight of crab body
We need to calculate the value of proportional constant
Put the value into the formula
We need to calculate the crab weight
Here, x = 0.85 g
Put the value into the formula
Hence, The weight of body is 1.3040 gram.