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NemiM [27]
3 years ago
15

Matter waves A. can reflect, refract, diffract, and interfere like sound and light waves B. have amplitudes, wave speeds, wavele

ngths, and frequencies like sound and light waves C. indicate where the matter is likely to be found D. all of the above E. some, but not all of the above
Physics
1 answer:
Jobisdone [24]3 years ago
8 0

Answer: D) All of the above

Explanation: Matter waves are examples of wave particle duality. Matter waves, reflect, refract, diffract, and interfere just like light or water waves. Matter waves have amplitudes, wave speeds, wavelengths, and frequencies.

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A catapult can project a projectile at a speed as high as 37.0 m/s. (a) if air resistance can be ignored, how high (in m) would
motikmotik

Then the maximum height of the catapult will be 69.78 meters.

<h3>What is kinematics?</h3>

The study of motion without considering the mass and the cause of the motion. The equation of motion is given below.

v = u + at

s = ut + (1/2)at²

v² = u² + 2as

A catapult can project a projectile at a speed as high as 37.0 m/s. (a) if air resistance can be ignored.

a = - 9.81 m/s²

u = 37 m/s

v = 0

s = h

Then the maximum height of the catapult will be given by the third equation.

v² = u² + 2as

0² = 37² - 2 × 9.81 × h

h = 37² / (2 × 9.81)

h = 69.78 meters

Then the maximum height of the catapult will be 69.78 meters.

More about the kinematics link is given below.

brainly.com/question/7590442

#SPJ1

4 0
2 years ago
You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizont
Rashid [163]

Answer:

47.48 m

Explanation:

The horizontal range of an object can be estimated using the equation below:

S_{x} =\frac{v^{2}*sin (2\alpha)}{g}

For the maximum horizontal range to occur, the angle \alpha is 45°. Then, the horizontal range will be:

S_{x} = \frac{v^{2}*sin 90}{g} = \frac{v^{2}}{g}

In addition, the velocity (v) can be estimated using the equation below:

v = gt/2

Therefore, the maximum horizontal range is:

S_{x} =  \frac{(gt/2)^{2}}{g} = (9.81*4.4/2)^2 / 9.81 = 47.48 m

6 0
4 years ago
If you ride your bike at an average speed of 2 km/h and need to travel a total distance of 20 km, how long will it take you to r
love history [14]

Answer:

Time taken to reach your destination will be 10hours

Explanation:

Recall the formula for Speed;

speed=Total distance/Total time taken

Speed=2km/h

Total distance=20km

Time taken=x

let x be the unknown time taken

Input each values into the formula;

2=20/x

Making x subject of the equation

x=20/2

x=10

Total time taken =10hours.

3 0
3 years ago
Read 2 more answers
V A block of 12 kg mass is at rest
wolverine [178]
Look gurrlll or boyyy u need to do ur own work
8 0
3 years ago
A rolling ball has 8 joules of kinetic energy and is rolling 4m/s. Find it’s mass
Maru [420]

Answer:

m = 1

Explanation:

K.E = 8J

v = 4m/s

m = ?

Now,

K.E = 1÷2mv^2

8 = 1÷2 × m × (4)^2

8 = 1÷2 × m × 16

8 = m × 8

m × 8 = 8

m = 8 ÷ 8 = 1

m = 1

<h3><em><u>VERIFICATION</u></em><em><u>:</u></em></h3>

K.E. = 1÷2mv^2

K.E = 1÷2 × 1 × 4^2

K.E. = 8J

<u>-TheUnknownScientist</u>

4 0
3 years ago
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