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What does she determine caused her change in speed on the grass?
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Have road changes caused the speed limit to change?
NO NO NO
What cause refraction of light to happen?
This is caused by a change in the speed of light .
What method is used to determine a star's speed of approach?
The Doppler effect - a change in frequency, dependent on relative speed.
How are meteors measured?
Size, speed, chemical make-up, and place of impact. All of these components help determine the damage that will be caused or was caused by an asteroid or metoeroid. Size and speed will determine the momentum, while chemical make-up and place of impact will determine how much damage is done. The size of the crater is determined using all of these factors.
Why does a change of speed produce a change in direction?
It doesn't. For example, you can go in a straight line, and speed up or slow down, without changing direction. And if there is both a change in direction and a change in speed, the change of speed wouldn't be the CAUSE for a change in direction. (On the other hand, both can be caused by a force applied to an object.)
A change in speed or direction?
A change in speed or direction is caused by a force and is called acceleration.
What is the bending of light rays caused by a change in speed of the light ray called?
Refraction
Is the speed of gravity a constant?
It is believed that any change in the gravitational field (caused by movement of masses) would propagate at the speed of light. And yes, that would be a constant.
Why does f1 cars need to change their tires so often?
so that less friction is caused, and to improve speed
Formula for speed?
The formula to determine speed is Speed= wavelength*frequency
What determine the speed of the actuator?
Actuator speed is determined by:
Determine the amount of friction caused by rubbing two surface together as a conclusion?
Dependant upon type of material relatively to the speed and pressure of the objects rubbed together.
