Answer:
B. The same as that for container A
Explanation:
To calculate the average Kinetic Energy per molecule,
Where is the average kinetic energy per molecule and is the Boltzmann constant
From the above equation it is seen that only depends on the temperature of the gas
And since the temperatures of both gases are equal, their average kinetic energy per molecule is the same
The potato reach a velocity of 0 m/s after 3.57 s
Explanation:
There is only one force acting on the potato, which is in free fall: the force of gravity, acting downward. Therefore, the motion of the potato is a free fall motion with constant acceleration equal to the acceleration of gravity, and we can use the suvat equation:
where
v is the final velocity
u is the initial velocity
is the acceleration of gravity (negative since downward)
t is the time
For the potato in this problem:
u = +35 m/s
So the time t at which the velocity reaches
v = 0
is
Learn more about free fall here:
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The answer is b, gravity and friction are forces.
Answer:Acceleration = Change in Velocity/Time
Change in Velocity = 36-18 = 18 km/h=5 m/s
Time= 5 Seconds
Acceleration = 5/5= 1 m/s2
Equation of motion,s=ut+(1/2)at2
u=18 km/h=5 m/s
t=5 s
a=1 m/s2
s= (5*5)+(1/2*1*5*5)
s=25+12.5 i.e., s=37.5 m
Hope you are clear with my explanations
Answer:
Area of the plates of a capacitor, A = 0.208 m²
Explanation:
It is given that,
Charge on the parallel plate capacitor,
Electric field, E = 3.1 kV/mm = 3100000 V/m
The electric field of a parallel plates capacitor is given by :
A = 0.208 m²
So, the area of the plates of a capacitor is 0.208 m². Hence, this is the required solution.