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3 years ago

What is the difference between an asteroid and a meteoroid

Physics

1 answer:

Alenkinab [10]3 years ago

6 0

Answer:

Asteroids smaller than planets and meteroids are small piece of an asteroid burns up upon enetering Earths atmosphere

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A charged particle of mass 6.00 mg moves with a speed of 4.00 km/s in a direction that makes an angle of 37o above the positive

AysviL [449]

Answer:

Explanation:

mass of charged particle m = 6 x 10⁻³ kg .

speed of particle v = 4 x 10³ m /s

speed of particle perpendicular to magnetic field = v sin37

= 4 x 10³ sin37

= 2.41 x 10³ m / s

Force on charged particle

= B q v , B is magnetic field , q is charge on particle and v is velocity perpendicular to B

Force = ma

= 6 x 10⁻³ x 8

= 48 x 10⁻³

Force = Bqv

48 x 10⁻³ = 5 x 10⁻³ q x 2.41 x 10³

q = 48 x 10⁻³ / (5 x 2.41)

= 3.98 x 10⁻³C.

5 0

4 years ago

Read 2 more answers

A 0.210-kg metal rod carrying a current of 11.0 A glides on two horizontal rails 0.490 m apart. If the coefficient of kinetic fr

sergij07 [2.7K]

Answer:

The magnetic field is $B = 0.0764 \ T$

Explanation:

From the question we are told that

The mass of the metal is $m = 0.210 \ kg$

The current is $I = 11.0 \ A$

The distance between the rail(length of the rod ) is $d = 0.490 \ m$

The coefficient of kinetic friction is $\mu_k = 0.200$

Generally the magnetic force is mathematically represented as

$F_b = B * I * d$

Given that the rod is moving at a constant velocity, it

=> $F_b = F_k$

Where $F_k$ is the kinetic frictional force which is mathematically represented as

$F_k = \mu_k * m * g$

$B * I * d = \mu_k * m * g$

=> $B = \frac{\mu_k * m * g}{I * d }$

substituting values

=> $B = \frac{0.200 * 0.210 * 9.8 }{ 11 * 0.490 }$

=> $B = 0.0764 \ T$

3 0

3 years ago

Describe how velocity and speed are different

Vaselesa [24]

Answer: Velocity involves a particular direction, i.e. North. Speed does not include a direction.

6 0

3 years ago

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A homeowner is trying to move a stubborn rock from his yard. By using a a metal rod as a lever arm and a fulcrum (or pivot point

pogonyaev

Answer:

L = 1.545 m

Explanation:

Let the total length of the rod is L

now the torque must applied on the other end of the rod so that it will balance the torque due to weight of rock on other side of fulcrum

so we will have

$mg \times d = F(L - d)$

so we have

$325\times 9.8 \times 0.266 = F(L - 0.266)$

F = 663 N

$848 = 663(L - 0.266)$

$L = 1.545 m$

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3 years ago

An 81 kg football player moving 6.5 m/s tackles and collides with a stationary 140 kg football player. What speed will the footb

Flura [38]

The answer would be 2.4m/s

3 0

4 years ago

Read 2 more answers