A student creates a scale model of planets where 1 cm is equal to 10,000 km in this model which planet would have a diameter of approximately 12cm 1:Jupiter

2: Saturn

3:mars

4:earth ​

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

Diamond will scratch quartz. true or false