Answer:
a) W = 2746.8[J]
b) W = 2992.05 [J]
Explanation:
Work is defined as the product of force by distance. We must bear in mind that the force that performs the work is the one that acts in the same direction of displacement.
For this case, we must calculate the weight of the woman, the weight is defined as the product of mass by gravity.
where:
w = weight [N] (units of Newtons]
m = mass = 56 [kg]
g = gravity acceleration = 9.81 [m/s²]
![w=56*9.81\\w=549.36[N]](https://tex.z-dn.net/?f=w%3D56%2A9.81%5C%5Cw%3D549.36%5BN%5D)
a)
where:
F = weight = 549.36[N]
d = distance = 5 [m]
![W = 549.36*5\\W = 2746.8[J]](https://tex.z-dn.net/?f=W%20%3D%20549.36%2A5%5C%5CW%20%3D%202746.8%5BJ%5D)
b)
The new mass will be the combination of the mass of the woman plus that of the load.
![m_{new} = 56+5\\m_{new}=61[kg]](https://tex.z-dn.net/?f=m_%7Bnew%7D%20%3D%2056%2B5%5C%5Cm_%7Bnew%7D%3D61%5Bkg%5D)
![w_{new}=61*9.81\\w_{new}=598.41[N]](https://tex.z-dn.net/?f=w_%7Bnew%7D%3D61%2A9.81%5C%5Cw_%7Bnew%7D%3D598.41%5BN%5D)
The new work done.
![W =598.41*5\\W=2992.05[J]](https://tex.z-dn.net/?f=W%20%3D598.41%2A5%5C%5CW%3D2992.05%5BJ%5D)
Answer:
The electrical field in the region between the plates is 10,000 V/m.
Explanation:
Given;
potential difference between the two parallel plates, V = 100 V
distance between the two parallel plates, d = 1 cm = 0.01 m
The electrical field in the region between the plates is given as;
E = V / d
where;
E is the electrical field in the region between the plates
E = (100) / (0.01)
E = 10,000 V/m
Therefore, the electrical field in the region between the plates is 10,000 V/m.
Answer: - 45000 N.s
Explanation: Impulse is equal to the change in momentum
J = Δp
To solve for impulse we calculate the change in momentum
Δp = m ( Δv)
= 1500 kg ( 10 m/s - 40 m/s)
= - 45000 N.s
Ok, let me see if I can help
Sound is caused by vibrations. These can pass through a solid, liquid, and gas. But not through vacuum because there are no particles
Answer:
I think it's claim 1 because the same mass would cause them both to either fall off or to stay there
