According to the Hooke’s law formula, the force is proportional to what measurement?
2 answers:
Answer: The correct answer is the displacement of the spring.
Explanation:
Hooke's Law is used to determine the force applied when a spring is compressed or extended. The formula for Hooke's Law is given by the equation:
Removing proportionality sign,
where,
F = force applied on the spring
k = Spring constant
x = Compression or extension of the spring. In other words it is the displacement of the spring.
Hence, from above relation, it is visible that force is directly proportional to the displacement of the spring.
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Answer:
Explanation:
is the angle between the velocity and the magnetic field. So, the magnetic force on the proton is:
A charged particle describes a semicircle in a uniform magnetic field. Therefore, applying Newton's second law to uniform circular motion:
is the centripetal force and is defined as:
Here is the proton's speed and
is the radius of the circular motion. Replacing this in (1) and solving for r:
Recall that 1 J is equal to , so:
We can calculate from the kinetic energy of the proton:
Finally, we calculate the radius of the proton path: