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Novosadov [1.4K]
2 years ago
13

Help me is science homework for tomorrow

Physics
1 answer:
makvit [3.9K]2 years ago
4 0

The true statement is that the speed of the meteor is 7.8 Km/s.

<h3>What id the velocity?</h3>

The term velocity refers to the ratio of the change in the displacement to time. This definition applies strictly to rectilinear motion. In a case of a circular motion like the Ferris wheel in which the direction of the speed continues to change, we say that the velocity is changing because the direction is changing.

Now, the speed of the meteor was given to be 468 km/min. In order to obtain the speed in kilometer per second we have to divide the given value by 60. Thus the true statement is that the speed of the meteor is 7.8 Km/s.

Learn more about velocity:brainly.com/question/18084516

#SPJ1

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When blue light of wavelength 460 nm falls on a single slit, the first dark bands on either side of center are separated by 45.0
lyudmila [28]

Answer:

width of slit =1.23× 10⁻⁶ m  

Explanation:

we know the condition of diffraction minima,

d sin θ = n λ

λ = wavelength     θ = angle between the central maxima and 1st  minima

d = slit width

for first minima  n = 1

now,

d =\dfrac{n \lambda}{sin \theta}

\theta = \dfrac{45^0}{2} = 22.5^0

d =\dfrac{1\times 460 \times 10^{-9}}{sin 22.5^0}

d = 1228 × 10⁻⁹ m  = 1.228× 10⁻⁶ m

d =  1.23× 10⁻⁶ m

width of slit =1.23× 10⁻⁶ m  

6 0
3 years ago
What is the largest area of specialization in psychology
Sindrei [870]

Answer:clinical psychology

Explanation:

The largest area of specialization in psychology is clinical psychology

5 0
4 years ago
The metric unit of force is the _____.<br><br> A.newton<br> B.pound<br> C.kilogram<br> D.watt
hammer [34]

Force = mass × acceleration = kg × m/s^2 = Newton

3 0
4 years ago
Read 2 more answers
What is the magnitude of the largest net force that can be produced by combining a force of 6.0 N
ololo11 [35]

Answer:

10N

Explanation:

The formula for calculating the resultant is expressed as;

R = √F1²+F2²

F1 and F2 are the forces

Given

F1 = 6.0N

F2 = 8.0N

R = √6²+8²

R = √36+64

R = √100

R = 10.0N

Hence the magnitude of the net force is 10N

4 0
3 years ago
If a honeybee is flying 7.0 m/s, what is the kinetic energy (Joules) if its mass is 0.1 g?
svetlana [45]

Answer:

KINETIC ENERGY=K.E=0.00245 Joules ≈ 0.003 Joules

Explanation:

mass=m=0.1g=0.0001kg

velocity=v=7.0m/s

kinetic energy=K.E.=?

as we know that

kinetic energy=\frac{1}{2}mv^2\\ putting values\\kinetic energy=\frac{1}{2}(0.0001kg)(7.0m/s)^2\\ kinetic energy=\frac{1}{2} 0.0049joules\\kinetic energy= 0.00245Newton meter or joules

hope it will help ^_^

5 0
3 years ago
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