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maw [93]
4 years ago
6

Blue light has a shorter wavelength than yellow light. Which color has the higher frequency. O Blue O Yellow O They have the sam

e frequency
Physics
1 answer:
GarryVolchara [31]4 years ago
5 0

Answer:

Blue light has the higher frequency.

Explanation:

Remember that the relation between wavelength and frequency for any electromagnetic wave in the vacuum is

f = \frac{c}{\lambda}

where c is the speed of light in the vacuum. As you can see, the relation between frequency and wavelength is inversely proportional. The higher is the wavelength, the lower is the frequency.

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4 years ago
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What is the speed of a rocket that travels 9,000 meters in 12 seconds?
Mademuasel [1]
9,000/12=750

Speed is equal to distance divided by time
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3 years ago
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Gravity accelerates any object falling at 9.8 m/s2. What is the force that will be applied to the ground if an 88 kg box falls f
saw5 [17]

Answer:

The force is of the weight <u>862,4 Newtons.</u>

<u></u>

Explanation:

We have the formula:

w = m * g

Data:

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w = 88 kg * 9,8 m/s

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6 0
3 years ago
A 0.60-kilogram softball initially at rest is hit with a bat. The ball is in contact with the bat for 0.20 second and leaves the
Furkat [3]

Answer:

75 Newtons.

Explanation:

From Newton's second law of motion,

F = m(v-u)/t................... Equation 1

Where F = force exerted by the ball on the bat, m = mass of the ball, v = final velocity of the ball, u = initial velocity of the ball, t = time

Given: m = 0.6 kilogram, u = 0 meter per seconds (at rest), v = 25 meters per seconds, t = 0.2 seconds.

Substitute into equation 1

F = 0.6(25-0)/0.2

F = 3(25)

F = 75 Newton.

Hence the magnitude of the average force exerted by the ball on the bat = 75 Newtons.

8 0
4 years ago
Can a body have mass but no weight give reasion for your answer​
EleoNora [17]

Answer:

Hey buddy, here is your answer. Hope it helps you.

Explanation:

Yes, weight of a body is not constant, it varies with the value of acceleration due to gravity, g. Weight of a body is zero, when it is taken to the centre of the earth or in the interplanetary space, where g=0. Mass is the total matter in a body, while weight is the force by which the body is attracted.

Weight is never constant while mass is. So we can have weight zero but with some mass. This will happen when an object is at the centre of earth, as g=0 at centre of earth , so weight will be 0 while mass will always be constant everywhere

5 0
3 years ago
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