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3 years ago

How are the electric field lines around a positive charge affected when a second positive charge is near it?

Physics

1 answer:

Liono4ka [1.6K]3 years ago

8 0

Answer:Because it likes to repel and attract opposites

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An object has a variable volume and shape before it changes state. After the

monitta

A : Solid to liquid

Solids have a variable volume and shape before it changed. Liquids can change in shape but have a fixed volume ( ex: water holding it’s shape in the cup until the person spills it )

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3 years ago

Read 2 more answers

A student throws a baseball upwards at an angle of 60 degrees to the horizontal. The initial horizontal and vertical components

frez [133]

Given data

ball throws upwards at an angle 60°

Horizontal component (Vh) = 12.5 m/s,

Vertical component (Vv) = 21.7 m/s ,

The magnitude of throw/resultant velocity (V) = ?

The resultant velocity /the velocity with which ball is throws is determined by the following equation

V = √[(Vh)² + (Vv)²]

= √[(12.5)² + (21.7)²]

= 25.04 m/s

<em> The resultant velocity or the velocity with which the ball is thrown is 25 m/s</em>

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3 years ago

Explain the microsoft word skills you are most confident in performing.<br><br>

Sladkaya [172]

Yes this is not gonna work

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2 years ago

A surveyor measures the distance across a river that flows straight north by the following method. Starting directly across from

bearhunter [10]

Answer:

The width of the river is $z = 60.62 \ m$

Explanation:

From the question we are told that

The distance of the base line is D = 130 m

The angle is $\theta = 25^o$

A diagram illustration the question is shown on the first uploaded image

Applying Trigonometric Rules for Right-angled Triangle,

$tan 25 = \frac{z}{130}$

Now making z the subject

$z = 130 * tan (25)$

$z = 60.62 \ m$

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2 years ago

A moto-cross motorcycle/rider is airborne after a jump. Each wheel of his bike has a rotational inertia of 0.760 kg m2, so the p

Debora [2.8K]

Answer:2.17 rad/s

Explanation:

Given

Each wheel has moment of inertia $I=0.76 kg-m^2$

Linear speed speed $v=15 m/s$

angular speed of tire $\omega =50 rad/s$

moment of inertia of motorcycle $I_2=35 kg-m^2$

Initial moment of inertia $I_1=2\times 0.76=1.52 kg-m^2$

Due to absence of external Torque we can Conserve Angular Moment of inertia

$l_1\omega _1=I_2\cdot \omega _2$

$2\times 0.76\times 50=35\times \omega _2$

$\omega _2=2.17\ rad/s$

6 0

3 years ago