please answer this in a simple python code
1. Write a Python program to construct the following pattern (with alphabets in the reverse order). It will print the following if input is 5 that is, print z one time, y two times … v five times. The maximum value of n is 26. z yy xxx wwww vvvvvv
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In this problem, we will consider the following situation as depicted in the diagram: A block of mass m slides at a speed v along a horizontal, smooth table. It next slides down a smooth ramp, descending a height h, and then slides along a horizontal rough floor, stopping eventually. Assume that the block slides slowly enough so that it does not lose contact with the supporting surfaces (table, ramp, or floor). You will analyze the motion of the block at different moments using the law of conservation of energy.
Part A
Which word in the statement of this problem allows you to assume that the table is frictionless?
Part B
Suppose the potential energy of the block at the table is given by mgh/3. This implies that the chosen zero level of potential energy is __________.
Part C
If the zero level is a distance 2h/3 above the floor, what is the potential energy of the block on the floor?
Express your answer in terms of some or all the variables m, v, h and and any appropriate constants.
Part D
Considering that the potential energy of the block at the table is mgh/3 and that on the floor is -2mgh/3, what is the change in potential energy ΔU of the block if it is moved
from the table to the floor?
Part E
Which form of the law of conservation of energy describes the motion of the block when it slides from the top of the table to the bottom of the ramp?
Part F
As the block slides down the ramp, what happens to its kinetic energy K, potential energy U, and total mechanical energy E?
Part G
Using conservation of energy, find the speed vb of the block at the bottom of the ramp.
Express your answer in terms of some or all the variables m, v, h and and any appropriate constants.
Part H
Which form of the law of conservation of energy describes the motion of the block as it slides on the floor from the bottom of the ramp to the moment it stops?
Part I
As the block slides across the floor, what happens to its kinetic energy K, potential energy U, and total mechanical energy E?
Part J
What force is responsible for the decrease in the mechanical energy of the block?
Part K
Find the amount of energy E dissipated by friction by the time the block stops.
Express your answer in terms of some or all the variables m, v, h and and any appropriate constants.
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