<u>Option a.</u>The particle of larger mass has more momentum.
How this is explained?
- Given two particles are of different mass & start from rest .
- They have same net force & distance travelled due to force is also constant.
- We know Kinetic energy
- and momentum p = mv .
- The same gives larger mass a smaller acceleration.
- The body which has larger mass will take a longer time interwal to move through same distance; the impulse given to larger mass is larger, thus larger mass will have a greater final momentum.
- Thus option(a).
What is a momentum?
- In Newtonian mechanics, linear momentum, translational momentum, or simply momentum is the product of the mass and velocity of an object.
- It is a vector quantity, possessing a magnitude and a direction.
- If m is an object's mass and v is its velocity (also a vector quantity), then the object's momentum p is :p=mv.
- In the International System of Units (SI), the unit of measurement of momentum is the kilogram metre per second (kg⋅m/s), which is equivalent to the newton-second.
To know more about momentum, refer:
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Answer:
Jedge = 0.076A/cm^2
Explanation:
If you want to know what is Jedge is convenient to use an integral. The total density current is given by:
(1)
But also, we have that the total current is
where we have used that 5mm=5*10^{-3}m.
By replacing (1) we obtain:
hope this helps!!
The combined amount of kinetic and potential energy of its molecules
Explanation:
Amount of heat supplied (Q) = 24500 J
Mass (m) = 2 kg
Initial temperature (t1) = 20 ° C
Final temperature (t2) = 35 ° C
Difference in temperature (dt) = t2 - t1 = ( 35 - 20) °C = 15 ° C
Now Specific heat capacity (S) = ?
We know we have the formula;
Q = m * s * dt
24500 = 2 * s * 15
24500 = 30 S
S = 24500 / 30
S = 816.67 J / Kg ° C
The specific heat capacity is 816.67 J/kg°C.
Hope it will help :)