Answer:
ρm=4.14g/ml :metal density
Explanation:
Conceptual analysis
We apply the formula to calculate the density:
ρ= m /V Formula (1)
Where:
ρ:density in g/mL
m: mass in g (grams)
V= volume in ml (milliliters)
Known data
: final volume of liquid=55.25 ml
: final volume of liquid=61.00 ml
ms: metal mass=23.795 g
Problem development
The volume of the metal (vm) is equal to the change in volume of the liquid.
![V_{m} = V_{fl}-V_{il} =61.00 ml - 55.25 ml =5.75ml](https://tex.z-dn.net/?f=V_%7Bm%7D%20%3D%20V_%7Bfl%7D-V_%7Bil%7D%20%20%3D61.00%20ml%20-%2055.25%20ml%20%3D5.75ml)
We replace the data in formula (1 )to calculate the density of the metal(ρm):
ρm= mm /Vm=23.795 g/5.75ml
ρm=4.14g/ml
Answer:
It [the diamond] would act like a prism, and make a rainbow, or, the light would break up and disappear
Explanation:
that's what I would think at least
Answer:
bumper cars colliding- inelastic
man jumping in a cab- perfectly inelastic
mud sticking to car - perfectly inelastic
hat being sat on door being slammed- inelastic
ball bouncing- elastic
Explanation:
In a perfectly inelastic collision, the objects stick together after collision and move with a common velocity. Maximum kinetic energy is lost during such collision.
For an inelastic collision, kinetic energy is partly lost and the colliding objects move apart at different velocities. This is often encountered in real life situations.
For an elastic collision, both momentum and kinetic energy are conserved. The object rebounds with the same relative velocity with which it approached.
Answer:
Frames of reference.
For measuring the physical quantities you have to rely on something as a reference point or a standard value. In the case of physical quantities that are vectors, and an abstract coordinate system is required to express it clearly.
Let us consider a body located on a ship at some point. We can measure its distance from a ship or from the terrace of the building. Hence, we are assigning a coordinate system with respect to a person standing on the ship and terrace. These coordinate systems are called the frames of reference.
While measuring the distance, both coordinate system gives specific values for the same location with regard to the frames of reference.
When the ship is moving, the person on the terrace observes that his values of the distance change. But the person on the ship did not observe any change with respect to his coordinate system.
Similarly, If a person considers a moving train as his frame of reference where his coordinate system is in motion, he finds the things that are stationary on earth seem to move.
The train is his frame of reference which has a velocity with respect to Earth.
Therefore, anything that is stationary with respect to the ground seems to be in motion with respect to his frame of reference.