First, let's list everything we have...
a = 1.83 m/s^2
F = 1870 N (converted from kN to N)
vi = 0 m/s (it says started from rest, therefore velocity starts at 0)
t = 16 s
1). "Force acting on the car" is a bit ambiguous because there are many forces. But I'm going to assume that they are looking for just a basic implementation of force equation:
where:
F = force
m = mass
a = acceleration
2). I recommend memorizing your equations of motion, because once you know them this part is also just as easy:
where:
vf = final velocity
vi = initial velocity
a = acceleration
t = time
Answer:
series circuit
Explanation:
A series circuit is wired with only one path for the current to flow through all the devices in a row and back to the starting point.
Answer:
Number of electrons, n = 395.47
Explanation:
It is given that,
Force between two spheres, 
Distance between spheres, r = 35 cm = 0.35 m
A force of repulsion is acting on the spheres. It is given by :
Let n is the number of electrons on the spheres. So,
q = n e
n = 395.47
So, the the number of excess electrons on the spheres are 395.47. Hence, this is the required solution.
Ores are specifically defined as a type of rock wherein it contains essential. These minerals would then be extracted from the rock and would be used in various industries. One conventional way of overcoming the disadvantages of using ones is through the use of recycled aluminium products.
Answer:
The internal energy of a substance is equal to the total amount of potential energy and kinetic energy of ALL the particles in the substance.
For example, when the temperature increases (more temperature means more energy), the kinetic energy of the particles in the substance increases.
And when we reach a point near a change of phase (like near fusion point) there is energy used to break the bonds between the particles, then we have an increase in potential energy.
Then we could write the internal energy as:
U = ∑(KEₙ) + ∑(PEₙ)
Where ∑(KEₙ) and ∑(PEₙ) are the sums of the kinetic energy and potential energy of all the particles in the substance.
