Answer:
Explanation:
Deceleration of solid disk = g sin10/1 + k²/r² = g sin 10 / 1 + 1/2 = g sin 10 x 2/3
[ k is radius of gyration of disk which is equal to( 1/√2)x r ]
deceleration a = -1.1345 m/s²
v = u - at , t = u / a = 1.5 / 1.1345 = 1.322 s.
Answer:
Plant
A Eukaryotic cell
Explanation:
Animal cells don’t have cell walls and prokaryotic cells don’t have nuclei
Answer:
Explanation:
Given
Potential Energy of a particle is given by 
For minimum or maximum Potential Energy differentiate U(x) w.r.t x

putting 




To know minimum value check 
at x=-2

so at x=-2 potential energy is minimum 
B, good luck, hope this helps :)