What does the slope of a distance-time graph indicate?

Physics

2 answers:

lawyer [7]3 years ago

8 0

Answer: It indicates the speed of a object. The steeper the line the greater the speed of the object.

abruzzese [7]3 years ago

5 0

The slope of a distance time graph represents —> VELOCITY/SPEED
Some other things to know:
- Slope of a distance vs time graph is velocity
- Slope of a velocity vs time graph is acceleration
- Area under an acceleration vs time graph is velocity
- Area under a velocity vs time graph is distance/displacement

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3. If a vector that is 1 cm long represents a

prisoha [69]

Answer:

A velocity of $20 \: km/h$

Explanation:

Since the magnitude of the vector is equal to the magnitude of velocity, velocity of the 2 cm vector represents a velocity of $10\times 2= 20 \: km/h$.

8 0

3 years ago

A 1.50-mm-diameter glass sphere has a charge of + 1.60 nC. What speed does an electron need to orbit the sphere 1.60 mm above th

saveliy_v [14]

Answer :

Velocity will be $3.28\times 10^{-11}m/sec$

Explanation:

We have given glass surface has a diameter of 1.5 mm

And charge q = 1.60 nC

Radius of electrons orbit r = height of electron above surface + radius of sphere = $=1.6+\frac{1.5}{2}=2.35mm = 0.00235m$

Force on electron is given by $F=\frac{1}{4\pi \epsilon _0}\frac{qe}{r^2}$ , here q is charge on sphere and e is charge on electron

$F=\frac{1}{4\pi \epsilon _0}\frac{qe}{r^2}=\frac{kqe}{r^2}=\frac{9\times 10^9\times 1.6\times 10^{-9}\times 1.6\times 10^{-19}}{0.00235^2}=4.172\times 10^{-13}N$