I think it is c I'm only in 7th grade but I'm pretty sure that the answer is c
Answer:
7. They arethe meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd)
Explanation:
7. They arethe meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd)
Answer:
Voltage in primary coil is 3.91 V
Explanation:
For transformer we know that the working principle is given as
here we know that
Now we have
Answer:
Mount Rushmore is a very well built sculpture. It is visited by millions of people each year to see 60-foot tall images of the American presidents; George Washington, Thomas Jefferson, Abraham Lincoln and Theodore Rosevelt which are carved into the Black Hills of South Dakota. Mount Rushmore has faced many controversies too. The land it was built on is sacred to Native Americans. The Sioux were also forced to leave the land, after lots of battles
Explanation:
<span>speed = wavelength x frequency
speed = 0.4m X 10 Hz
speed = 4 m/s</span>