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3 years ago

What is the formula for finding the velocity?

Physics

2 answers:

Kazeer [188]3 years ago

8 0

Answer:

v = Δs/Δt

and use this calcultor"Velocity Calculator | Definition | Formula - Omni Calculator"if u have problems to slove.cos

Explanation:

blondinia [14]3 years ago

4 0

I hope this answers your question and helps:)

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In a oxidation-reduction reaction, the oxidizing agent always undergoes reduction.

Free_Kalibri [48]

In a oxidation-reduction reaction, the oxidizing agent always undergoes reduction.

TRUE.

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4 years ago

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Consider the model above. It represents the electrical force. As r increases, the attractive force decreases. How would this mod

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Answer:

As we keep on increasing the radius the value of the gravitation force of attraction decreases and as we decrease the radius the gravitation force increases.

Explanation:

Like the coulombs law of electrostatics, the law of gravitation also depends inversely on the square of the value of r. Therefore, as we keep on increasing the value of r the value of the gravitation force decreases and as we decrease the value of the r the value of gravitation force increases.

Gravitation Force= $\frac{Gm_{1}m_{2} }{r^{2}}$

Coulombs's Law= $\frac{Kq_{1}q_{2} }{r^{2}}$

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4 years ago

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A real spring does not oscillate forever. Instead, it eventually comes to a stop. Does this violate the law of conservation of e

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It does not violate the law of conservation of energy. The oscillation stops when the energy is lost and the energy is lost because it becomes heat that is created by the air resistance and many other forces found in the surrounding of the oscillating spring.

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3 years ago

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How long will the bal

Step2247 [10]

Answer:

T = 1.2 s

T = 15.1 m = 15 m

Explanation:

This is a case of projectile motion:

TOTAL TIME OF FLIGHT:

The formula for total time of flight in projectile motion is:

T = 2 V₀ Sinθ/g

where,

T = Total Time of Flight = ?

V₀ = Launch Speed = 13.9 m/s

θ = Launch Angle = 25°

g = 9.8 m/s²

Therefore,

T = (2)(13.9 m/s)(Sin 25°)/(9.8 m/s²)

T = 1.2 s

RANGE OF BALL:

The formula for range in projectile motion is:

R = V₀² Sin2θ/g

where,

R = Horizontal Distance Covered by ball = ?

Therefore,

T = (13.9 m/s)²(Sin 2*25°)/(9.8 m/s²)

T = 15.1 m = 15 m

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3 years ago

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A car covers 400m distance in 50 sec find it's speed?

Lena [83]

Answer:

$\boxed {\boxed {\sf 8 \ m/s}}$

Explanation:

Speed is equal to distance over time.

$s=\frac{d}{t}$

The distance is 400 meters and the time is 50 seconds.

$d= 400 \ m \\t= 50 \ s$

Substitute the values into the formula.

$s=\frac { 400 \ m }{ 50 \ s}$

Divide.

$s= 8 \ m/s$

The speed of the car is 8 meters per second.

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3 years ago