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drek231 [11]
3 years ago
6

(d)

Physics
1 answer:
deff fn [24]3 years ago
3 0

Answer:

Frequency = 24 × 10⁸ Hz

Explanation:

Given the following data;

Speed = 3 × 10⁸ m/s

Wavelength = 0.125 meters

To find the frequency of the electromagnetic wave;

Mathematically, the speed of a wave is given by the formula;

Speed = Wavelength × frequency

Substituting into the formula, we have;

3 × 10⁸ = 0.125 × frequency

Frequency = (3 × 10⁸)/0.125

Frequency = 24 × 10⁸ Hz

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A 10kg ball has a momentum of 40 kg.m/s. What is the ball’s speed.
Whitepunk [10]

Answer:

<h2>4 m/s</h2>

Explanation:

The speed of the ball can be found by using the formula

s=  \frac{p}{m}  \\

p is the momentum

m is the mass

From the question we have

v =  \frac{40}{10}  = 4 \\

We have the final answer as

<h3>4 m/s</h3>

Hope this helps you

7 0
3 years ago
The shape of a planet's orbit is influenced by gravity.
stiks02 [169]

Answer:

True

Explanation:

Gravity is a very important force. Every object in space exerts a gravitational pull on every other, and so gravity influences the paths taken by everything traveling through space. It is the glue that holds together entire galaxies. It keeps planets in orbit.

6 0
3 years ago
Read 2 more answers
What is the mass of a cannonball if a force of 2,500 N gives the cannonball an acceleration of 200m/s2?
pentagon [3]
Newton's 2nd law of motion:

                         Force = (mass) x (acceleration)

Divide each side
by 'acceleration':      Mass  =  (force) / (acceleration)

                                       =  (2,500 N)  /  (200 m/s²)

                                       =    12.5 kg
8 0
4 years ago
Read 2 more answers
Car 1 of mass 1,715kg is sitting at an intersection. Car 2 of mass 2,780kg read ends Car 1, knocking it forward at 8 m/s. If Car
SVEN [57.7K]

Answer:8 miles

Explanation:

8 0
3 years ago
How could Sam determine the distance he drove and the true displacement between the two locations
irina1246 [14]

Distance is the physical length travelled. While the displacement is the shorter distance between any two given points.

<h3>What is distance?</h3>

Distance is a numerical representation of the distance between two objects or locations.

Distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.

Displacement is defined as the shortest distance between the two points.

Sam determines the distance by doing the calculation as;

distance = speed × time

Hence, the Sam determines the distance and displacement by the respective formulas.

To learn more about the distance, refer to the link;

brainly.com/question/26711747

#SPJ1

5 0
2 years ago
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