The time of motion of the object at the given speed and distance is 4 seconds.
<h3>Time of motion of the object</h3>
The time of motion of the object is calculated as follows;
t = d/v
where;
- d is distance = 10 m
- v is speed = 2.5 m/s
- t is time of motion
t = 10/2.5
t = 4 s
Thus, the time of motion of the object at the given speed and distance is 4 seconds.
Learn more about time here: brainly.com/question/2854969
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10 joules of work is done by the object
This is true thermal energy is transferred from the warm gulf stream ocean water
Answer:
46°C
Explanation:
q = mCΔT
336,000 J = (20 kg) (4200 J/kg/°C) (50°C − T)
T = 46°C
Answer:
The electrical energy supplied is 0.233 kWh
Explanation:
Given :
Mass of air 
kg
Initial temperature 
298 K
Final temperature 
350 K
Heat loss 
kJ
From the first law of thermodynamics,
We know that internal energy is proportional to difference of temperature,
Now we need answer into kWh so ( 1 kWh = 3600 kJ ).
So we need to multiply ( 
)
![W_{in} = [15 \times (350-298) + 60 ] \times \frac{1}{3600}](https://tex.z-dn.net/?f=W_%7Bin%7D%20%3D%20%5B15%20%5Ctimes%20%20%28350-298%29%20%2B%2060%20%5D%20%5Ctimes%20%5Cfrac%7B1%7D%7B3600%7D)
kWh
kWh
Therefore, the electrical energy supplied 0.233 kWh
