The speed of a wave is 65 m/sec. If the wavelength of the wave is 0.8 meters, what is the frequency of the wave? I need to know this fast please

If you are charged in a crash with injuries and are driving a motorcycle, you are for any bodily injuries and property damage to others. possibly responsible not responsible probably responsible financially responsible

Break down of rocks and minerals into smaller particles without a change in composition is called_

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?