because of the differences in air resistance.
The acceleration is the acceleration of gravity, downwards, or 9.8m/s/s (32 ft/s/s). When ball is thrown straight up it has an initial velocity that is decreasing because of gravity; at the highest point velocity is zero but acceleration is always constant at gravity rate.
Velocity. A change in VELOCITY will always indicate the acceleration of an object.
Acceleration due to gravity is negative when an object is moving up. Accl'n due to gravity is positive when an object is moving down (since gravity acts downwards on an object). ^Acceleration due to gravity is always negative, while the acceleration of the ball upward was positive due to what threw it, not gravity.
No, but it is possible to not have an increase in speed. Because velocity is a directional quantity, not a scalar one, an object in freefall (by definition within a gravity field) is always under acceleration, just not necessarily one that alters its speed or even its position. Objects in orbit around a planet are in freefall (hence weightlessness) where the tangential component of their forward motion opposes the pull of gravity.
Simply note the sum of their masses, and consider them as one object with that mass.If you're talking about the acceleration of gravity, and asking how fast two objects tied together will fall,then none of that matters. Acceleration of a falling object due to gravity is always the same number,called the "acceleration of gravity". It doesn't matter whether the object is heavy, light, big, small, or42 separate objects tied together. Under the influence of gravity, trucks, bricks, books, and feathersall fall with the same acceleration (if air doesn't get in the way).
because of the differences in air resistance.
The velocity in the x direction would be constant because gravity only affects the vertical components of objects. The velocity in the y direction would increase due to the constant acceleration due to gravity. The acceleration due to gravity on Earth is always -9.81 m/s^2.
because of the differences in air resistance.
because of the differences in air resistance.
because of the differences in air resistance.
Acceleration only depends on the direction of the applied force and is independent of the velocity of the object, so gravity is always pointing down.
The acceleration is the acceleration of gravity, downwards, or 9.8m/s/s (32 ft/s/s). When ball is thrown straight up it has an initial velocity that is decreasing because of gravity; at the highest point velocity is zero but acceleration is always constant at gravity rate.
Only until they hit the ground or the floor.
no, acceleration due to gravity is always the same, although air resistance might affect it
Velocity. A change in VELOCITY will always indicate the acceleration of an object.
Acceleration due to gravity is negative when an object is moving up. Accl'n due to gravity is positive when an object is moving down (since gravity acts downwards on an object). ^Acceleration due to gravity is always negative, while the acceleration of the ball upward was positive due to what threw it, not gravity.
Acceleration is defined as the rate of change of velocity... so, yes.