What is the sound intensity level at a distance of 1.0 km? express your answer to two significant figures and include the appropriate units. what is the sound intensity level at a distance of 1.0 km? express your answer to two significant figures and include the appropriate units.

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

What will a positive and a negative charge do if they are separated from each other?