Projectile motion Questions 1). A frog hops so that it leaves the ground at speed 12m/s at an angle 35 degrees above the horizontal. Ignore air resistance. a).What is the max height that the frog reaches during its leap? b). When does the frog returns to the ground, how far from its launch point does it land? 2). A rock is thrown with an initial speed of 30 m/s at an angle of 60 above the horizontal. As shown in the sketch, it is thrown from a canyon floor and goes up into the air and then lands on the plateau, 20 m above the canyon floor. Where does it hit the ground? Or, how far does it i X max=? travel horizontally? 3).A ball from the top of the Kitsilano secondary. We throw the ball with an initial velocity of V0 = 25 m/s at an angle of 53 from the horizontal. 4). A cannonball is launched on a at eld at an angle of 30 degrees with horizontal and has an initial velocity of 120 m/s. Find: a) The horizontal component of the initial velocity. b) The vertical component of the initial velocity. 0) The vertical component of the velocity 5 seconds after launch. d) The vertical component of the velocity 8 seconds after launch. e) The maximum height reached by the cannon ball 1') The velocity of the cannon ball at its maximum height. 9) The time of ight h) The horizontal range i) The velocity at impact j) The velocity 4.0 seconds after launch k) The velocity 7.0 seconds after launch. 5).A projectile is launched at an angle of 37 degree with an initial speed of 100 m/s. Find a) the range b) the maximum height c) the velocity at 3.0 seconds d) the velocity at 10 seconds d) when the height is 90 m