A river flows from west to east with a constant velocity of 1 m/s. A boat lives the south bank heading due north at 2.40 m/s. Find the resultant velocity of the boat.​

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Mga halaman/punong ornamental na di namumulaklak

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?