Answer:
A) x4
Explanation:
Magnification is equal to image size divided by the actual size, or M = I/A.
The image size is the student's drawing, which is 28.8 cm, and the actual size is 7.2 cm. Divide them, and cancel out the units, and you should get:
28.8 cm/7.2 cm = 4
Answer: 215.15 N
Explanation:
If we draw a free body diagram of the mass we will have the following:
(1)
(2)
Where is the tension force of the rope, the mass, the acceleration due gravity and is the weight.
On the other hand, we can calculate as follows:
Where and
(3)
Now, we firstly need to find from (2):
(4)
(5)
Substituting (5) in (1):
(6)
Finally:
Are you referring the term Amplitude.
Answer:
If N is the number of forces acting on a body, the net force formula is given by, FNet = F1 + F2 + F3
Explanation:
<span>A series circuit has one path for electrons, but a parallel circuit has more than one path.</span>