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4 years ago

When waves interact do they move through each other or bounce off each other? WILL MARK BRAINLIEST!!!

1 answer:

4 0

Will the waves bounce off each other upon meeting or will the two waves pass through each water? Waves interference occurs when two waves meet while traveling along the same medium

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A cannon is rigidly attached to a carriage, which can move along horizontal rails but is connected to a post by a large spring,

Mademuasel [1]

Answer:

Explanation:

Given

mass of cannon and cart is $m_1=6475.91 kg$

Spring constant $k=20000 N/m$

mass of Projectile $m_2=234 kg$

Launch Velocity of cannon $v_2=170 m/s$

Launch angle $\theta =31.3^{\circ}$

As the External Force is zero therefore we can conserve momentum

Initially both Projectile and cannon is at rest

Conserving momentum in horizontal direction

$m_1u_1+m_2u_2=m_1v_1+m_2v_2\cos 31.3$

$0+0=6475.91\times v_1+234\times 170\cdot \cos (31.3)$

$v_1=-\frac{234\times 170\cdot \cos (31.3)}{6475.91}$

$v_1=-5.24 m/s$

i.e. cannon is moving in opposite direction of Projectile

6 0

4 years ago

1) A force of 20 Newton acts on a bar having a cross sectional area of 0.8m^2 and length 10cm.calculate the stress developed in

Elanso [62]

Answer:25N/M^2

Explanation:

Force=20N Area=0.8M^2

Stress=force/area

Stress=20/0.8

Stress=25N/M^2

4 0

4 years ago

Juan is on a morning jog. His speed is represented in the graph. At what rate of speed is Juan running between 4min and 6min? Ac

Nesterboy [21]

Answer:

a) The speed of Juan is 250 m/min

b) In that interval, he's at rest

c) Juan would have needed 12 minutes to run 3000 m

Explanation:

Distance vs Time Graph Analysis

If time is on the horizontal axis, and the distance is in the vertical axis, then the slope of the graph represents the instantaneous speed of the moving object. The graph shows three different zones which reflect Juan's jogging at that morning.

a) The period between 4 and 6 minutes clearly shows Juan is moving in such a way the distance increases when time passes. The speed of the motion can be obtained by computing the slope of the line. We can locate the points (4,1000) and (6,1500). We compute the speed

$\displaystyle v=\frac{1500-1000}{6-4}=\frac{500}{2}=250 m/min$

The speed of Juan is 250 m/min

b) We can see between 7 and 11 minutes, Juan's distance is not changing because he stopped running. In that interval, he's at rest

c) We have already determined the speed on the first 7 minutes (the same as between 4 and 6 minutes). We know that

$\displaystyle v=\frac{x}{t}$

Where v is the speed, x is the distance, and t is the time

We need to know the time needed to travel x=3000 m at the initial speed v=250 m/min, so we solve the equation for t

$\displaystyle t=\frac{x}{v}$

$\displaystyle t=\frac{3000}{250}=12\ minutes$

Juan would have needed 12 minutes to run 3000 m

3 0

4 years ago

Which of the following is true regarding momentum?

kakasveta [241]

Increasing the mass of an object increases its momentum.

Explanation:

Momentum of an object is measured as the quantity of motion done by the object.
It is calculated using the formula, p = m × v where m is mass of the object and v is the velocity of the object.
As momentum and mass vary proportionally, as seen in the formula, increasing the mass of an object will also increase its momentum.

8 0

3 years ago

The nuclides having the same number of

frez [133]

Answer:

isotopes

Hope this helps

6 0

3 years ago