Answer:
4 m/s²
Explanation:
The formula used here:
F = ma
F is force (80 N)
m is mass (20 kg)
a is acceleration
Since we need to calculate acceleration we will arrange the formula:
a = F ÷ m
Now substitute the values and solve
a = 80 ÷ 20
a = 4
The proper unit for this acceleration is m/s²
So the object accelerates at 4 m/s²
Answer:
The planets and moons that orbit in the solar system.
Explanation:
For example the earth moves at 67,000 mph (107,000 km/h), and is constant from the gravitational pull of the sun. The moon orbits at about 2,288 mph (3,683 km/h). these are both traveling at different velocities but at a constant speed.
The x-component of the acceleration is
Explanation:
This problem is an example of uniformly accelerated motion, so we can solve it by using the following suvat equation:
where
u is the initial velocity
a is the acceleration
s is the displacement
t is the time
For the body in this problem, we have:
u = 11.1 cm/s is the initial velocity
The displacement is
s = -3.58 - (3.59) = -7.17 cm
While the time is
t = 2.48 s
Substituting and solving the formula for a, we find the x-component of the acceleration:
Learn more about acceleration:
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Answer:
Most electric charge is carried by the electrons and protons within an atom. Conversely, two protons repel each other, as do two electrons. Advertisement. Protons and electrons create electric fields, which exert a force called the Coulomb force, which radiates outward in all directions.
To solve this problem we need to use the emf equation, that is,
Where E is the induced emf
I the current in the first coil
M the mutual inductance
Solving for a)
Solving for b) we need the FLux through each turn, that is
Where N is the number of turns in the second coil