Question

The water waves with a wavelength of 120 cm travels with velocity 2.5 ms¹ from the

sea to the beach. The velocity of the waves when reaching the beach s 1.8 ms-1

Calculate,
(i) the frequency of the water waves

(ii)the wavelength when reaching the beach

Can someone help me with psychic?

Answer 1

how long it will take a shell fired from a cliff at an initiaia velocity 800m/s at an angel of 30° below the horizontal to reach the ground 150m?