A pipe that is 0.65 m long and open at both ends vibrates in the second overtone with a frequency of 845 Hz. In this situation, the distance from the center of the pipe to the nearest antinode is closest to

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

the device is called “ rocket engine”

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2