The only acceleration on , profile is the acceleration due to gravity if air dra

Question

The only acceleration on , profile is the acceleration due to gravity if air drag is ignored. The displacement nodes man open-ended pipe are the same the pressure nodes. The direction of torque is perpendicular to both the force and the lever arm, r. Kinetic energy is not conserved in an inelastic collision. Conservative forces depend only on the starting and ending points. The pressure is proportional to the volume in an ideal gas. If the distance between two objects doubles, the gravitational force between two objects decreases by 1/4. Thermodynamic processes that occur In nature are all irreversible processes. As the density of an object doubles, the volume decreases by half if the mass is constant. If the sum of external forces on a system is zero, the total momentum of the system is zero

Explanation / Answer

1) true - the only acceleration on a projectile is the acceleration due to gravity if air drag is ignored.

2)false- the displacement nodes in an open ended pipe are the same as the pressure nodes.

3)true- direction of the torque is perpendicular to both the force and the level arm r

4)false- kinetic energy is not conserved in an inelastic collision

5)false- conservative forces depend only on the starting and ending points.

6)false- pressure is proportional to the volume of an ideal gas

7) true- if the distance between the two objects doubled,the gravitational force between the two objects decreases by 1/4

8)false- thermodynamic process that occur in nature are all irreversible process

9)false-as the density of the object doubles the volume decreases by half

10)true- if the sum of the external forces on a system is zero,the total momentum of the system is zero

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