a body is projected upward making an angle theta with the horizontal with velocity 300 metre per second find the value of theta so that the horizontal range will be maximum find the range and time of flight​

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

Why don't you see your reflection in water with waves or repples

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.