Which one of the following frequencies of a wave in the air can be heard as an audible sound by the
human ear?
a. 0.10 hz
b. 1,000 hz
c. 100,000 hz
d. 10 hz

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?