PHYSICS

• Only force acting on the object in projectile -GRAVITY
• Not considered as a projectile motion -Football rolling down the hill
• A heavy and light object are released from rest, they have the same -Acceleration
• Projectile follows a -Parabolic Path
• False statement about 9.8m/s² -it depends upon the weight of a falling object
• Football team should kick the ball at (<80° because the ball goes further) if max distance
• What affects motion of projectile -all of the above
• Angle with longest range -<45°
• Boxing iz not an example of projectile
• Parabolic projectile occurs at 45°
• Banana: how fast? -9.8m/s²
• Baseball staight up: velocity at highest point? -0m/s
• Object projected horizontally, time takes to hit the ground? -Same time it was dropped
• Collision -Cars crashing to each other
• Elastic Collision -Bounce back after collision
• Geothermal plants generate electricity -By drilling warm water and the steam connected to a generator
• Primary source of geothermal powerplants -Earth's heat
• KE=½mv² (m=2kg, v=6, ½=0.5) -36J
• Turbine rotatws to produce electricity -Mechanical-》Electrical
• Conserve energy -All of these