What is the average acceleration of the particle within the time interval 1 second to 3 seconds?

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?