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Sloan [31]
3 years ago
8

Please help ! will mark brainliest < 3

Physics
1 answer:
love history [14]3 years ago
4 0

Answer: 50m

Explanation:

Velocity is the Amount of Displacement an object makes, as Speed is the amount of Distance. As the problem is asking for displacement, find out how much he/she went in a straight line. He went from 10 - 60, so suptract, and get 50m.

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An object has a mass of 785 g and a volume of 15 cm³. What is its density? (Give your answer in g/cm³ to 2 decimal places).
Anvisha [2.4K]

Answer:

denisity = 52.33 g/cm^{3}

Explanation:

Density:

d = \frac{m}{v}

We have that m = 785 and that v = 15 cm^{3}.

d = \frac{785}{15}

d = 52.33 m^{3}

4 0
3 years ago
At which point on this electric field will a test charge show the maximum strength?
Juli2301 [7.4K]

Answer:

A

Explanation:

The figure shows the electric field produced by a spherical charge distribution - this is a radial field, whose strength decreases as the inverse of the square of the distance from the centre of the charge:

E\propto \frac{1}{r^2}

More precisely, the strength of the field at a distance r from the centre of the sphere is

E=k\frac{Q}{r^2}

where k is the Coulomb's constant and Q is the charge on the sphere.

From the equation, we see that the field strength decreases as we move away from the sphere: therefore, the strength is maximum for the point closest to the sphere, which is point A.

This can also be seen from the density of field lines: in fact, the closer the field lines, the stronger the field. Point A is the point where the lines have highest density, therefore it is also the point where the field is strongest.

8 0
3 years ago
Which statement is a scientifically accurate description of velocity?
ella [17]

Answer The last one is you answer

Explanation:

8 0
2 years ago
Read 2 more answers
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