05AB1E, 3 bytes

vð? 

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v # For each character... ð? # Output a space without a newline 

Other 3 byte solutions

v¶? # For each character print a newline (without adding a newline) võ, # For each character print the empty string with a newline gð× # Get the length, concatenate that many copies of space g¶× # Get the length, concatenate that many copies of newline Sð: # Split, push a space, replace each char in input with a space