Concurrent vectors
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Two or more vectors that act on a point simultaneously
,Joule
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Unit of energy = (kg x m^2)/s^2
Inelastic collision
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A collision that occurs when two objects collide with each other and they
stick together
- Kinetic energy is not conserved, some lost
- Momentum is conserved
- Both objects have the same final velocity
- m1v1 + m2v2 = (m1 + m2)vf
How does the coefficient of friction depend upon the area of contact?
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The coefficient of friction does NOT depend on the area of contact; it is
only dependent on normal force
What is the relationship between buoyant force and weight of object when objects
are floating?
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, For an object to float, the buoyant force must be equal or greater than the
weight of the object
Heat formula
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How do we determine an instantaneous velocity from the position vs time graph?
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- In this instance, since the slope of the position vs time graph is NOT
constant, then the velocity cannot be constant and is different at varying
positions on the curve
- To determine instantaneous velocity, simply find the slope at any given
coordinate
- Velocity = ΔP/ΔT = slope
What is the final momentum of the system described prior?
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Give this one a try later!
Two or more vectors that act on a point simultaneously
,Joule
Give this one a try later!
Unit of energy = (kg x m^2)/s^2
Inelastic collision
Give this one a try later!
A collision that occurs when two objects collide with each other and they
stick together
- Kinetic energy is not conserved, some lost
- Momentum is conserved
- Both objects have the same final velocity
- m1v1 + m2v2 = (m1 + m2)vf
How does the coefficient of friction depend upon the area of contact?
Give this one a try later!
The coefficient of friction does NOT depend on the area of contact; it is
only dependent on normal force
What is the relationship between buoyant force and weight of object when objects
are floating?
Give this one a try later!
, For an object to float, the buoyant force must be equal or greater than the
weight of the object
Heat formula
Give this one a try later!
How do we determine an instantaneous velocity from the position vs time graph?
Give this one a try later!
- In this instance, since the slope of the position vs time graph is NOT
constant, then the velocity cannot be constant and is different at varying
positions on the curve
- To determine instantaneous velocity, simply find the slope at any given
coordinate
- Velocity = ΔP/ΔT = slope
What is the final momentum of the system described prior?
Give this one a try later!
