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SashulF [63]
3 years ago
7

Which of the following is an exa example of a wave

Physics
1 answer:
maria [59]3 years ago
6 0

Longitudinal waves

Transverse waves

Electromagnetic Waves

Water waves

Rope waves

LIght Waves

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If bert the bat traveles eastward at 40 mph with a tail wind of 6 mph,what is his actual speed?
Liula [17]
Bert would be going 34mph due to the taill winds being 6mph
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Explain the 3 method of heat transfer<br>a. conduction<br>b. convection<br>c. radiation​
Aleks [24]

Answer:

Heat can be transferred in 3 ways.

Explanation:

Conduction- The process of transmission of heat in solids,without the actual movement of particles.

Convection- A process of transmission of heat in fluids (liquids and gases)with the actual movement of particles.

Radiation- It is the process of transmission of heat without any medium.

8 0
2 years ago
HELP!!! HURRY DUE BY 4:30!!!
Ipatiy [6.2K]
Work = force * distance. 
<span>You must produce twice as much energy as we are lifting the weight twice as high. </span>
<span>But because you aren't increasing the force, you need to increase the length of the ramp instead. </span>
<span>The new length will be twice as great as the previous length. </span>
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Hope this helps.
4 0
3 years ago
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If a tomato is considered a fruit... then is ketchup considered a smoothie?
Anna71 [15]

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depends... do you add suger to your ketchup?

Explanation:

8 0
3 years ago
Please help with these physics problems 1. A soccer ball is dropped from the top of a building. It takes 5.8 seconds to fall to
Tatiana [17]

Answer:

1.) h = 164.8 m

2.) U = 49.1 m/s

3.) t = 1.43 seconds

Explanation:

1.) A soccer ball is dropped from the top of a building. It takes 5.8 seconds to fall to the ground. The height of the building is...? 

Since the soccer ball is dropped from the building, the initial velocity U will be equal to zero

Using second equation of motion

h = Ut + 1/2gt^2

Substitutes the time into the formula

h = 1/2 × 9.8 × 5.8^2

h = 164.8 m

2. The Falcon 9 launches to a height of 123 meters. What is its vertical initial velocity?

At maximum height final velocity = 0

Using the third law of motion

V^2 = U^2 - 2gH

0 = U^2 - 2 × 9.8 × 123

U^2 = 2410.8

U = 49.1 m/s

3. An apple falls from rest off a 10.m m tree. How long will it take before it hits the ground?

Since the apple fall from rest, the initial velocity U will be equal to zero

Using the second equation of motion,

h = Ut + 1/2gt^2

substitute all the parameters into the formula

10 = 1/2 × 9.8 × t^2

10 = 4.9t^2

t^2 = 10/4.9

t^2 = 2.04

t = 1.43 seconds

8 0
3 years ago
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