If an athlete expends 3480. kJ/h, how long does she have to play to work off 1.00 lb of body fat? Note that the nutritional calorie (Calorie) is equivalent to 1 kcal, and one pound of body fat is equivalent to about 4.10 × 103 Calories.
Answers
Answer:
The time required by the Athlete to work off 1.00 lb of body fat = 0.296 minute
Explanation:
1 lb of body fat = 4.1 k cal
1 k cal = 4.184 Kilo joule
1 lb of body fat = 4.1 × 4.184 = 17.1544 Kilo joule
Athlete expends 3480 Kilo joule in one hour
⇒ Time required to expand 3480 Kilo joule = 60 minute
⇒ Time required to expand 1 Kilo joule =
⇒ Time required to expand 17.1544 Kilo joule = × 17.1544 = 0.296 min
Therefore the time required by the Athlete to work off 1.00 lb of body fat = 0.296 minute
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The time of motion of the car to the given distance is 5 seconds.
The given parameters;
- initial velocity of the car, u = 10 m/s
- final velocity of the car, v = 40 ms/
- distance traveled by the car, s = 125 m
The time of motion of the car to the given distance is determined by applying average velocity formula as shown below;
Thus, the time of motion of the car to the given distance is 5 seconds.
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Explanation:
b. The white pot.
c. Neither—they both cool at the same rate.
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Commensalism describes the interaction between the insect and the oak tree.
What is commensalism?
It is a type of biological interaction between two species in which one of the interacting species is benefitted while the other species is unaffected.
How is the above interaction commensalism?
Since the insect gets a safe place to lay its egg it gains from this interaction while the tree is unaffected.
When will this interaction be a mutualism interaction?
- When both the organisms benefit from the interaction.
- If the insect helps in the pollination of the tree while the insect gets a safe place to lay its egg.
When will this interaction be a parasitic interaction?
- When one of the organism benefit at the expense of the other.
- For example, If the insect sucks the sap of the tree on which it lays its egg. The insect benefits while the tree is harmed.
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Answer:
its D!!!
Explanation:
If the insect benefits and the tree neither benefits nor is harmed, the relationship is commensalism.
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Displacement = 1725m
Explanation:
Final answer:
Using the equations of motion, we find that the plane covers a distance of 850 meters while it is accelerating from a velocity of 50 m/s to 65 m/s at the rate of 0.5 m/s².
Explanation:
You're asking about a motion problem in physics that requires using the equations of motion to solve. In this case, the formula we would use is v² = u² + 2as, where 'v' is the final velocity, 'u' is the initial velocity, 'a' is acceleration, and 's' is the distance covered.
Given:
Initial velocity (u) = 50 m/s
Final velocity (v) = 65 m/s
Acceleration (a) = 0.5 m/s²
We are asked to find the distance covered (s). Rearranging the formula to find 's', we get: s = (v² - u²) / 2a
Substituting the given values, the distance covered (s) = (65² - 50²) / (2*0.5) = 850 meters. So, the plane covers a distance of 850 meters while it is accelerating.
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Refraction-Turning or bending of any wave.
Reflection- Image.