Vince is practicing archery. He shoots an arrow toward a target. Which of the following scenarios demonstrates projectile motion?, The arrow during its flight from the bow to the target., The arrow after it has embedded itself in the target., The arrow while Ahmed is pulling back the bowstring., The arrow while it is still resting on the bowstring before release., An archer shoots an arrow horizontally at a target. If we ignore air resistance, what will be the arrow's horizontal acceleration during its flight?, The horizontal acceleration is 9.8 m/s² downward., The horizontal acceleration is zero (no acceleration)., The horizontal acceleration gradually increases., The horizontal acceleration equals the vertical acceleration., A football player kicks a ball at a 45-degree angle. As the ball travels through the air, what happens to its horizontal velocity (ignoring air resistance)?, It increases because gravity pulls the ball forward., It varies depending on the vertical velocity at each moment., It decreases gradually because the ball is slowing down overall., It remains constant because no horizontal forces act on the ball, Which of the following is an example of projectile motion?, A train moving along its tracks., A drone flying with its propellers running., A frisbee gliding through the air after being thrown., A balloon floating upward as it releases helium., Which angle of release allows a projectile to reach the greatest horizontal range?, 30 degrees, 45 degrees, 60 degrees, 90 degrees, Which pair of quantities correctly identifies the factors that affect momentum?, Force and time, Mass and acceleration, Mass and velocity, Distance and speed, Which two factors determine the amount of impulse applied to an object?, Mass and velocity, Force and time, Speed and distance, Acceleration and mass, A soccer ball hits a player’s foot and rebounds. To analyze momentum conservation during impact, which objects must be included?, The player’s foot only, The soccer ball only, The soccer ball and the player’s foot, The ball and the goalpost, A 5 kg cart moving right at 4 m/s collides with a 5 kg cart moving left at 2 m/s. After collision, they stick. What is the direction of motion after collision?, To the right, To the left, Cannot be determined, No, A 2-kg cart moving 5 m/s east collides and sticks to a 1-kg cart moving 1 m/s west. What is the direction of their final motion?, East, West, No movement, Direction cannot be determined, What is the Kinetic Energy of a 60kg student running at a constant speed of 3m/s?, 90J, 180J, 270J, 540J, Which heat transfer does not require matter?, Conduction needs contact, Convection needs fluid, Radiation uses waves, Conduction moves atoms, A hydroelectric power plant is being built near a river. An engineer needs to arrange the components in the correct order so that electricity is successfully generated. Which of the following shows the correct sequence of how the components work together?, Generator → Turbine → Power lines → Water flow, Water flow → Turbine → Generator → Power lines, Water flow → Generator → Turbine → Power lines, Water flow → Turbine → Power lines → Generator connect., Which heat transfer occurs mainly in solids?, Conduction transfers heat, Convection moves fluid, Radiation travels waves, Evaporation cools liquid, A student says, “Heat directly becomes motion without expansion.” Evaluate this claim., Incorrect, expansion is required, Correct, heat is motion, Incorrect, heat is matter, Correct, heat is force

SCIENCE 9

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