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Инфоурок / Физика / Рабочие программы / Lesson plan for 10th grade physics ''Uniform motin. + problems ''
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Lesson plan for 10th grade physics ''Uniform motin. + problems ''

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Class

10th grade

Date


Lesson

Physics

Period

1 hour

Subject

Uniform motion

Aim

To study Uniform motion

Materials

Mechanics

Methods and Techniques


Explaining, solving exercises

General Review of Previous Lesson :


Ask a few questions about last topic as : Uniform motion


The following equations of kinematics are used to

define uniformly accelerated motion:

where

a is the constant acceleration

v0 is the initial velocity

v is the final velocity

x is the displacement

t is the time

The change in the position of an object is called the displacement which is also a vector quantity.

Displacement is defined by hello_html_m6c5f6b15.png where hello_html_77b663c7.png is the position vector at time hello_html_72739939.png and hello_html_m403cfa4f.pngis the position vector at time hello_html_m62280ccd.pnghello_html_m215b1b66.png

1. Two automobiles are 150 kilometers apart and traveling toward each other. One automobile

is moving at 60 km/h and the other is moving at 40 km/h mph. In how many hours will they

meet? (1.5)

2. A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers atan average speed of 40 km/h. The average speed of the car for this 80-km trip is: (53 km/h)

3. In astronomy the light-year is used as a unit of distance. It is the distance that light can travel in one year. (For instance, our galaxy, the Milky Way, is about 150 000 light-years across). If light travels at a constant speed of 300 000 km/s, Calculate 1 light-year in km?

4.A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be:

5.A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. The acceleration of the car is: 2.5m/s2


Evaluation:

Ask guestions and give marks



Выбранный для просмотра документ Есептер.docx

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1. Two automobiles are 150 kilometers apart and traveling toward each other. One automobileis moving at 60 km/h and the other is moving at 40 km/h mph. In how many hours will they meet?

2. A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at an average speed of 40 km/h. The average speed of the car for this 80-km trip is:

3. In astronomy the light-year is used as a unit of distance. It is the distance that light can travel in one year. (For instance, our galaxy, the Milky Way, is about 150 000 light-years across). If light travels at a constant speed of 300 000 km/s, Calculate 1 light-year in km?

4.A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be:

5.A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. The acceleration of the car is:


1. Two automobiles are 150 kilometers apart and traveling toward each other. One automobileis moving at 60 km/h and the other is moving at 40 km/h mph. In how many hours will they meet?

2. A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at

an average speed of 40 km/h. The average speed of the car for this 80-km trip is:

3. In astronomy the light-year is used as a unit of distance. It is the distance that light can travel in one year. (For instance, our galaxy, the Milky Way, is about 150 000 light-years across). If light travels at a constant speed of 300 000 km/s, Calculate 1 light-year in km?

4.A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be:

5.A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. The acceleration of the car is:


1. Two automobiles are 150 kilometers apart and traveling toward each other. One automobileis moving at 60 km/h and the other is moving at 40 km/h mph. In how many hours will they meet?

2. A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at

an average speed of 40 km/h. The average speed of the car for this 80-km trip is:

3. In astronomy the light-year is used as a unit of distance. It is the distance that light can travel in one year. (For instance, our galaxy, the Milky Way, is about 150 000 light-years across). If light travels at a constant speed of 300 000 km/s, Calculate 1 light-year in km?

4.A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be:

5.A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. The acceleration of the car is:



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Дата добавления 11.09.2016
Раздел Физика
Подраздел Рабочие программы
Просмотров80
Номер материала ДБ-186484
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