Answer:
Mass = 27.6 grams
Explanation:
Given the following data;
Density of ice = 0.92g/cm³
Volume = 30cm³
To find mass of ice;
Density can be defined as mass all over the volume of an object.
Simply stated, density is mass per unit volume of an object.
Mathematically, density is given by the equation;
Making mass the subject of formula, we have;
Mass = 27.6 grams
Therefore, the mass of ice is 27.6 grams.
Answer:
Explanation:
The explanation is given in the attached document.
Dr. Hewitt's experiment using the bowling ball to showcase the relationship between <em>momentum, energy and speed</em> of a body in motion. In his first attempt, the ball returns and stops almost exactly at the point it was launched.
- In Dr.Hewitt's first trial with the bowling ball, the ball was launched without any additional force applied, hence, the initial energy during the launch was converted to same amount of potential energy on the ball's return. Hence, stopping at the same point where the ball was launched.
- In subsequent trials, when extra force was applied, the ball went past the <em>initial launch position</em> as the potential energy as the ball returned was higher.
Therefore, the ball stopped at the <em>position of initial launch</em> during the first trial.
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The acceleration is used to determine the change of an object.