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  1. 1 K?? you think it's possible? even in the space, the "space" is not absolutely vaccum the temperature of outer space is about 2~3 K due to EM waves in the space basic concept of heat transfer in F4: objects exchange heat until their temperature...

  2. ...0.3 m/s is reached. Then it deccelerates, agin non -uniformly, until it stops at t = 3.3 s

  3. ... heading the same direction 2. a man runs for a loop and stops at the starting point since velociy = displacement/time and displacement = seperation between...

  4. ... produce much smoke. 2. People who smoke(in non -smoking areas) cause air pollution. 3. ...rubbish and give out bad smell. Things we ought to do to stop air pollution( Solutions /Ways to solve the problem...

  5. ... is cleat that either one of u or v is zero would lead to a non -zero acceleration a. A simple example is a vehicle starts from rest, or a moving vehicle slows down to stop .

  6. ... object is zero, the object will (1) slow down and stop (2) change the direction of its motion (3) accelerate uniformly...2nd law: F = ma 0 = ma a = 0 (as the mass is non -zero) Therefore the acceleration is zero, which...

  7. ...of the vehicle decreases, this leads to a non -uniform decceleration. Thus, you cannot simply... only valid for a constant decceleration, to calculate the stopping distance. Also notice that the main fuction of the aerofoil...

  8. ... produce much smoke. 2. People who smoke(in non -smoking areas) cause air pollution. 3. ...) Point form: 1. The government ought to stop factories from producing much smoke. 2. ...

  9. ...聲音,熱能) e.g. 桌球的球 是~接近完全 彈性 物料 e.g. Stop Shot ie. 被撞的球與白球速度一樣 應用e.g... the deformation of a material undergoing non -reversible changes of shape in response to applied...

  10. ....P.E. 1/2 mu^2 + mgh = 1/2 mv^2 + mgh' For a non -zero u, and v = 0, h' can be larger than h. So, C ...