3 years ago

1.what are barriers that you have encountered in dancing?

Physics

1 answer:

Lelu [443]3 years ago

7 0

Answer:

heyy tell me ur yo u tube ch annel name I'll subscribe it and how many sub scriber u have friend

Explanation:

and are u from Ireland?

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A 60 kg sprinter has a momentum of +600 kg-m/s when he crosses the finish

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Answer:

10 ms⁻¹

Explanation:

The amount of momentum that an object has is dependent upon two factors

mass of the moving object
speed of motion

In terms of an equation,

Momentum (P) = Mass(m)×velocity(v)

P = m×v

600 = 60 × v ⇒ v = 10 ms⁻¹

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A sort of "projectile launcher" is shown below. A large current moves in a closed loop composed of fixed rails, a power supply,

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Explanation:

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Object A and object B are moving with the same momentum. Which of the following statements must be true?

nordsb [41]

The FIRST statement on the list is the definition of momentum, so that's the one that must be true.

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Automobile traveling at 65 mph constant on the road described below. Find rate at which radar must rotate when theta = 15 deg. A

Finger [1]

Answer:

The rate at which radar must rotate is 0.335 rad/s.

Explanation:

Given that,

Velocity = 65 m/h = 29.0576 m/s

Angle = 15°

Suppose, the radius given by

$r=(100\cos2\theta)\ m$

We need to calculate the rate at which radar must rotate

Using formula of linear velocity

$v=r\omega$

$\omega=\dfrac{v}{r}$

Where, v = velocity

r = radius

Put the value into the formula

$\omega=\dfrac{29.0576}{100\cos30}$

$\omega=0.335\ rad/s$

Hence, The rate at which radar must rotate is 0.335 rad/s.

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Which category of energy originates in the process of photosynthesis?

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Solar energy ....................

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