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Why is a photogate and timer considered to be accurate and precise?
A photogate and timer are considered accurate and precise because they use light beams to detect motion and measure time intervals with high resolution. The digital nature of the timer minimizes human error and provides consistent measurements, while the rapid response of the photogate allows for quick detection of objects passing through. This combination results in reliable data that can be replicated in multiple trials, enhancing both accuracy and precision in experiments.
A unit area is placed at different positions and orientation in a magnetic field .in what position is the flux through the unit area greatest?
In the position where the dirction of the magnetic field is perpendicular (normal) to the unit area.
Explain how distance time and velocity are related to each other?
They are related through the formula distance = time x velocity (assuming constant velocity).
What is the condition of the position-time graph when the velocity-time graph passes through zero?
As, in the velocity-time graph, curves passes through zero means 'when time is zero velocity is zero'. Velocity is time derivative of displacement. So displacement is maximum or minimum when time is zero in position-time graph.
What information is provided by the points on the line of a position-time graph of an object?
The position the object was located at the time. Just draw straight lines up through each point to see where it crosses the x-axis and across through the same points to see where they intersect the y-axis, and you have each data point set.
Would dropping the picket fence from higher above the photogate change any of the parameters you measured?
Dropping the picket fence from a higher height above the photogate would not change the parameters you measured, assuming the initial velocity of the picket fence remains constant. The time it takes for the picket fence to pass through the photogate and the acceleration due to gravity acting on the picket fence would remain the same. The height from which the picket fence is dropped would only affect the initial velocity of the picket fence, not the parameters being measured.
A cart is 10 cm long It travels through a photogate in 2 seconds what's the cart's speed?
V = 10cm/2s = 5cm/s Therefore, the cart's speed is 5cm/s.
Bouncing of a wave from a surface through which it cannot pass?
reflection
What vibrates to cause a sound in the flute?
Air moves through the flute, bouncing off the sides.
How did nellie Minerva die in the hunt for the seventh?
she went through a glass wall bouncing a ball.
How does light travel trough space?
Light goes incredibly fast through space, bouncing off objects.
What is the property of light bouncing off materials?
The property of light bouncing off materials is called reflection. When light hits a material, it can either be reflected, absorbed, or transmitted through the material depending on the properties of the material and the angle of incidence of the light.
When are the displacement velocity and acceleration equal to zero for the motion of a mass on a spring?
Displacement and acceleration are zero at the instant the mass passes through its "rest" position ... the place where it sits motionless when it's not bouncing. Velocity is zero at the extremes of the bounce ... where the expansion and compression of the spring are maximum, and the mass reverses its direction of motion.
Is light bouncing off a mirror reflected or refracted?
Light bouncing off a mirror is reflected. Reflection is when the light bounces off a shiny surface back to your eye while refraction is when the light changes direction when passing from one medium to another medium of different optical density.
What is the bouncing back of a ray of light sound or heat when the ray hits a surface that is does not go through?
We call that "bouncing back" a reflection. Heat in the form of infrared (IR) radiation is like light, and light and sound are said to be reflected off surfaces that do not absorb them.
How can parents ensure safe and appropriate infant bouncing activities to promote development and bonding?
Parents can ensure safe and appropriate infant bouncing activities by using age-appropriate equipment, following manufacturer guidelines, supervising closely, and being mindful of the baby's comfort and cues. Bonding can be promoted through gentle bouncing, eye contact, talking, and responding to the baby's needs.
How may the Earth's position in space be related to the cycle of extinctions earth?
The Earth's position in space and its movement through the galaxy can impact the planet's exposure to cosmic events, such as asteroid impacts or fluctuations in extraterrestrial radiation. These events have been suggested as potential factors in past extinction events on Earth by affecting the planet's climate or causing catastrophic changes to the environment.
