Прожектор или Россия слышит от двух молодых россиян из самых разных уголков.
Вопросы
1)<span>Density (specific weight) is the amount of mass in a unit volume.
2)</span>It is measured in kilograms per cubic metre. Aluminium alloys, with typical densities around 2800 kg/m3<span> are considerably less dense than steels.
3)</span>Aluminium-2800 kg/m<span>3
</span>water is 1000 kg/m<span>3
</span>steels-7800 kg/m<span>3
</span>4)<span>Stiffness (rigidity) is a measure of the resistance to deformation such as stretching or bending.
5)</span><span>The Young modulus is a measure of the resistance to simple stretching or compression.
6)</span><span>Strength is the force per unit area (stress) that a material can support without failing.
7)- вопрос не в тему
8)
9)b
10)</span>used for part of the car body
1.We aren’t going to school today. 2.What are you doing after school? 3.At the moment Peter is working in Russia.4. Does he get a new car? 5. He never wears a hat. 6. He doesn’t like black coffee. 7. We have a good time. 8. What are you doing now? 9. It is raining at the moment. 10. Do you like the game?