Answer:
Explanation:
The momentum of an object is given by .
Plugging in values, we have:
.
A box with 10 baseballs because the balls have less mass therefore feel more pull from the earth
When ball is thrown vertically upward. As it rises, what happens to its kinetic energy Kinetic energy decreases.
At the highest point, the kinetic energy is zero because all the kinetic energy is converted to potential energy. Therefore the kinetic energy is zero at the highest point. Kinetic energy is the energy that an object possesses due to its motion. Therefore, if an object is thrown straight up, its kinetic energy is zero at its maximum height.
An object thrown vertically upwards will be slowed down by the earth's gravity. Its speed decreases until it reaches a maximum altitude where the speed becomes zero. Gravity then accelerates it downward evenly. If you throw a ball into the air, it will point up, but gravity will slow it down. The ball is slowing down and has zero velocity at the top of its flight.
Learn more about Kinetic energy here:-brainly.com/question/25959744
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Answer:
The correct answer is B.
Explanation:
Step 1:
The available regression equation is: Predict height= 0.29 + 0.48 (age).
Here, the predict height is dependent variable and the age is in-dependent variable.
Intercept = 0.29
Slope = 0.48
The given regression equation indicates the y on x model and the intercept coefficients of the regression equation is 0.29 and the slope is 0.48.
Step 2:
The height increases, an average, by 0.48 m per year.
Because co-efficient of slope variable indicate the positive sign and we increase 1 year in age then automatically height increased is 0.48 m.
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The height increases, on average, by 0.48 meter each year.</h3>