Answer:
primary sex characteristics the development of breast in female
Answer:
It would become an ion and an isotope
Explanation:
If an atom loses an electron regardless of how many neutrons you add its an ion, It gained neutrons but it still has the same number of protons so it's an isotope.
Answer:
100m.
Explanation:
Simply put, displacement is how far you've been displaced from your starting location. say you start at 0. You now travel E (assuming East) at 10 m/s for 10 s. Now, let's assume m is meters and s is seconds. you moved east at 10 meters per second for 10 seconds. This means that for each second you moved east, you moved 10 meters. Therefore, your displacement is 100 meters because 10 times 10 is 100. So you would write 100m as your displacement.
Answer:
17.69 m
Explanation:
The time it takes the brick to strike the ground is 1.90 seconds.
We can apply one of Newton's equation of linear motion to find the height of the building:
where s = distance (in this case height)
u = initial velocity = 0 m/s
t = time = 1.90 s
g = acceleration due to gravity = 9.8 m/s^2
Therefore:
s = (0 * 1.9) + (0.5 * 9.8 * 1.9 * 1.9)
s = 0 + 17.68
s = 17.69 m
The height of the building is 17.69 m.
To solve this problem we will apply the concepts related to kinetic energy and the value of momentum. Both variables are dependent on the mass and velocity of the object. By dividing between the two terms we can clear the speed of the object and find its value. Let's proceed to define the kinetic energy, for which,
Here,
m = mass
v = Velocity
The expression of momentum of a object is given as
If we divide two expression we have that
Rearrange to find the velocity we have that
Replacing we have that
Therefore the speed of the object is 23.68m/s