What is the formula for calculating the northward component of velocity after a force is applied?
PH4020 Final Review

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Physics
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11th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The northward component of velocity can be calculated using the formula: v_y = v_initial_y + (F/m) * t, where F is the force applied, m is the mass, and t is the time the force is applied.
2.
FLASHCARD QUESTION
Front
Define average speed.
Back
Average speed is defined as the total distance traveled divided by the total time taken. It is a scalar quantity.
3.
FLASHCARD QUESTION
Front
What is the coefficient of kinetic friction?
Back
The coefficient of kinetic friction (μ_k) is a dimensionless scalar value that represents the frictional force between two bodies in relative motion, divided by the normal force acting between them.
4.
FLASHCARD QUESTION
Front
How do you calculate the force required to move an object at constant speed on a surface with friction?
Back
The force required can be calculated using the formula: F = μ_k * N, where μ_k is the coefficient of kinetic friction and N is the normal force.
5.
FLASHCARD QUESTION
Front
What happens to the velocity of an object thrown upward as it rises?
Back
The velocity of an object thrown upward decreases as it rises due to the acceleration of gravity acting in the opposite direction.
6.
FLASHCARD QUESTION
Front
What is the relationship between work, force, and distance?
Back
Work (W) is defined as the product of the force (F) applied to an object and the distance (d) over which the force is applied in the direction of the force: W = F * d * cos(θ), where θ is the angle between the force and the direction of motion.
7.
FLASHCARD QUESTION
Front
What is the significance of a frictionless surface in physics problems?
Back
A frictionless surface implies that there is no resistance to motion, allowing for simplified calculations of forces, velocities, and accelerations.
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