Answer:
making sure that you change one factor at a time while keeping all other conditions the same
Explanation:
Drawing is an easy way to connect to your inner child
Answer:If kinetic energy increases, so does the thermal energy, and vice versa.
Please brainliest!
Produce power through the circuit.
Answer:
D. 550 Hz
Explanation:
Frequency for string is given by

where v is the speed of the wave, L = m is the length
Frequency is inversely proportional to the Length of the string

from above relation we can write

The newly shortened string has 4/5 the length of the full string .i,e

Hence option D is correct