A projectile launcher is measured to be 1.168 meters from the floor. When fired horizontally in relation to the floor, the projectile travels horizontally 2.085 meters before it strikes the floor. What is the horizontal speed of the projectile?A) 8.75 m/sB) 6.04 m/sC) 4.27 m/sD) 2.39 m/s

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?