3 years ago

Is ‘velocity’the displacement of an object during specific unit of time?

Physics

2 answers:

babunello [35]3 years ago

5 0

Answer:

Yes

Explanation:

The displacement covered by a body in unit time is called velocity.

Nataliya [291]3 years ago

5 0

Answer:

Yes

Explanation:

The velocity vector is used to determine the velocity in a given time interval. It is calculated by dividing the displacement by the elapsed time, according to the following formula: We must remember that velocity is a vector. Therefore, it has magnitude and direction. Answer: Velocity is the displacement of an object during a specific unit of time.

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lyudmila [28]

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3 years ago

Anyone help me please?

choli [55]

Answer:

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Explanation:

3 0

3 years ago

A small rubber ball is launched by a compressed-air cannon from ground level with an initial speed of 17.3 m/s directly upward.

elena-s [515]

Answer:

h=15.27m

Explanation:

Since at maximum height the vertical velocity must be null it's better to use the formula:

$v_f^2=v_i^2+2ad$

We will use this formula for the vertical direction, choosing the upward direction as the positive one, so we have:

$0=v_i^2+2ah$

$h=-\frac{v_i^2}{2a}$

which for our values is:

$h=-\frac{(17.3m/s)^2}{2(-9.8m/s^2)}=15.27m$

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3 years ago

One mole of a substance contains 6.02 × 1023 protons and an equal number of electrons. If the protons could somehow be separated

Aleksandr [31]

Explanation:

it is almost zero .this is because the distance and the electrostatic force are inversely proportional

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2 years ago

Which of the following statements is always true?

Gwar [14]

Answer: B

Explanation:

An unbalanced force (net force) acting on an object changes its speed and/or direction of motion. An unbalanced force is an unopposed force that causes a change in motion.

7 0

3 years ago