Value that is measured by the slope of a position-time graph

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Answer 1

Answer: The slope is the change in y over change in x.
In a position vs time graph, the position is the y-axis, and the time is the x-axis.
So the slope would be position over time. Position is a distance. So the slope is distance/time, which is velocity.
And also looking at units, distance is in meters (m), and time is in seconds (s). The unit m/s is a unit for velocity.

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How do geologist locate the epicenter of an earthquake?

Answers

by taking measurements from 3 seismograms.

what would be the final temperature of a mixture of 50g water at 20c temperature and 50g of water at 40c temperature?

Answers

Because there is the same amount of water in each sample, the samples have an equal amount of influence over the overall temperature. that means it will be somewhere right in the middle of the two original temperatures. The middle, also the average, of the two samples' temperatures is 30c, meaning that if you combined the 20c water and the 40c water the final result would be 100g of 30c water. If you need some more explanation, just ask.

Athen transparent sheet is placed in front of one of slits in ydse experiments the fringe width will

Answers

Answer:

when a thin transport sheet is placed in front of the double

slit no physical quantities affecting the fringe withers changed therefore the fringe width remains the same

A merry-go-round makes 18 rotations in 3 minutes. What is its angular speed in rpm?

Answers

The angular speed in rpm will be 6. Angular speed is defined as the ratio of the revolution in the given time interval.

What is angular speed ?

The rate of change of angulardisplacement is defined as angular speed.

ω = n/t

Where,

n is the number of revolution

t is the time

ω is the angular speed

ω = n/t

ω = 18/6

ω = 3 rpm

Hence,the angular speed in rpm will be 6 .

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18 rotations
3 minutes
rotations per minute (RPM) = 18/3 = 6

A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?

Answers

4.22 dollars is the cost to leave the bulb on for 30 days.

What is electrical energy?

Electrical energy is the power an atom's charged particles have to cause an action or move an object. The movement of electrons from one atom to another is what results in electrical energy.

There is a dissipation of electrical energy in the resistor when an electric current flows through it. It depends on the resistance of the resistor and the applied voltage.

The expression of the power dissipation is as follows ;

P= $(V^2)/(R)$

V is the applied voltage.

R is the resistance.

Given

P = 60 W

30days * 24h/day = 720 Hours kW * h

Therefore by putting the values in the given formula,

= (60/1000)kW * 720h

= 43.2 kWh

Hence,

The cost is 42.2 kWh42.2 kWh x 0.1

= 4.22 dollars

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Gymnasts often practice on foam floors, which increase the collision time when a gymnast falls. What effect does this have on collisions

Answers

Gymnasts often practice on foam floors, which increase the collision time when a gymnast falls. What effect does this have on collisions

The effect of the gymnast on the collision will increase. An elastic collision is when two bodies collide and separates after collision conserving the total kinetic energy before and after collision.

Answer:

it increces the time of the fall

Explanation:

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