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speed if no direction is needed velocity if direction is needed
rate of change of displacement is known as velocity it shows that how fast or slow a body is moving and in which direction it is moving.
The force of gravity will affect the rate of falling in air. As will the aerodynamic shape of the object. And assuming that the air is not moving with or against the direction of fall.
The clock on train B would appear to be the same width and to run at the same rate
No. Streaming is affected by light and temperature. The chloroplasts move toward areas where there is more light so it my photosynthesize. They then move to other areas of the cell to distribute nutrients.
speed if no direction is needed velocity if direction is needed
rate of change of displacement is known as velocity it shows that how fast or slow a body is moving and in which direction it is moving.
Any force will change the rate and/or the direction or an object, whether or not it is (initially) in motion.The only exceptions would be if there is something (like a surface supporting it) keeping the object from moving in the direction of the force, or if the object is initially not moving, and the force in not enough to overcome friction.
If you have no velocity, then you aren't moving.
There are many components to a rate for a moving company. There is an hourly rate for packing and physical moving of boxes and furniture onto or off of a truck. There is also a cost per pound to physically move your items to a new location. It seems that $50/hour is the lowest published rate for professional movers in the New York, New York area.
It is moving in the positive direction at a rate which is increasing.
The force of gravity will affect the rate of falling in air. As will the aerodynamic shape of the object. And assuming that the air is not moving with or against the direction of fall.
The car undergoes a change in velocity. It accelerates (and does so at a constant rate - if the rate of turn is constant) in the direction of the turn. The speed is constant, but the direction the car is going changes at each instant in time because it is turning. And because it is changing direction, that means its velocity is changing (because velocity is speed plus a direction vector).
The clock on train B would appear to be the same width and to run at the same rate
In physics, acceleration is defined as a change in velocity. Velocity is the measurement of the rate (or speed) and direction of an object. Therefore, an object is "accelerating" when it changes direction while maintaining the same rate (or speed).