Answer: she would move faster and more efficiently due to no friction
Explanation:
Net force is basically the force an object has when changing direction, so the answer would be D.
To calculate the volume of a rectangular, we have to multiply the value of height, length and width.
8x5x4 = 160 cm ^3
Answer:
The magnitude of the magnetic field B is 5.921 T.
Explanation:
Given that,
Length = 4.1 mm



Current 
We need to calculate the magnetic field
Using formula of magnetic field

Put the value into the formula


Hence, The magnitude of the magnetic field B is 5.921 T.
Im sorry may you please retake the picture then i will answer