Answer:
C
Explanation:
F=ma
given solution
v=12m/s a=v/t
s=6 sec =12m/s÷6sec
=2m/s^2 then we get acceleration now we will find the mass. first derive the the formula of mass by crisis cross then you will get this formula which is m=F/a
=36÷2
= 18
Answer:
Facilitated diffusion and active transport both utilize proteins to transport substances across membranes. Differences between active transport and facilitated diffusion 1. Active transport requires an input of energy, usually ATP, while facilitated transport does not.
When using chlorine bleach, the proper amount for one gallon of water is 8 ounces, or one cup. Now, since there's 4 quarts in a gallon,divide the 8 ounces by 4. You get 2. So you should put 2 ounces (or 1/4 cup) of chlorine bleach in a quart of water. Hope this helps!
Answer:
W = 0
Explanation:
We are given with, a construction worker is carrying a load of 40 kg over his head and is walking at a constant velocity. He travels a distance of 50 m.
The work done by an object is given by :
![W=Fd](https://tex.z-dn.net/?f=W%3DFd)
F = ma
So,
![W=mad](https://tex.z-dn.net/?f=W%3Dmad)
m is mass
a is acceleration
d is displacement
The worker is moving with constant velocity, its acceleration will be 0. So, the work done by the worker is 0.
Answer:
Spring constant, k = 5483.11 N/m
Explanation:
It is given that,
Mass of the organ, m = 2 kg
The natural period of oscillation is, T = 0.12 s
Let k is the spring constant for the spring in the scientist's model. The period of oscillation is given by :
![T=2\pi\sqrt{\dfrac{m}{k}}](https://tex.z-dn.net/?f=T%3D2%5Cpi%5Csqrt%7B%5Cdfrac%7Bm%7D%7Bk%7D%7D)
![k=\dfrac{4\pi^2 m}{T^2}](https://tex.z-dn.net/?f=k%3D%5Cdfrac%7B4%5Cpi%5E2%20m%7D%7BT%5E2%7D)
![k=\dfrac{4\pi^2 \times 2\ kg}{(0.12\ s)^2}](https://tex.z-dn.net/?f=k%3D%5Cdfrac%7B4%5Cpi%5E2%20%5Ctimes%202%5C%20kg%7D%7B%280.12%5C%20s%29%5E2%7D)
k = 5483.11 N/m
So, the spring constant for the spring in the scientist's model is 5483.11 N/m.