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Two identical metal balls, X and Y are released at the same time from the same height above horizontal ground. Ball X falls vertically from rest. Ball Y is projected horizontally as shown below. (Air resistance is negligible) Which of the following statements is correct?
In the diagram below, Sam is on a diving board above the water, ready to jump. He jumps with an initial vertical speed of 21.5 m/s up before landing in the water. Which of the graphs below best describes how Sam’s vertical velocity changes with time?
Mary was on a diving board above the water ready to jump. She jumped with an initial vertical speed of 17.1 ms-1 up before landing in the water. If Mary was in the air for 4.0 s, how high, to the nearest metre, was the diving board from the water?
Which pair of velocity time graphs best represents the motion of a projectile in both the x and y directions?
A volleyball rolls off a 1.0 m high horizontal table with initial velocity of 4.0 m s-1. The horizontal displacement of the volleyball during its flight is closest to:
A ball was thrown upward at an angle of 45°. It landed at the same height as thrown. Which graph best represents the vertical velocity component of the ball during its time of flight?
Questions 7 and 8 refer to the diagram below, which shows a projectile launched at an angle of 30° above a horizontal surface at a speed of 27.0 ms-1. The horizontal component of the initial velocity of the projectile is:
The horizontal range of the projectile is:
A projectile fired at a speed of u and an angle of θ to the horizontal, reaches a maximum height of H. When the same projectile is fired again at the same angle with a new higher initial speed it reaches a new maximum height of 2H. It true to say that:
A bomber is flying horizontally at 200ms-1 at an altitude of 120m. At what horizontal distance from the target does the bomber need to drop a bomb so that it hits the target?