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RUDIKE [14]
3 years ago
9

An underwater mountain system formed by diverging oceanic plates is______

Physics
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0

Answer:

Mid-Ocean Ridges

Explanation:

The mid-ocean ridges is an underwater mountain system formed by diverging oceanic plates.

  • This mid - ocean ridge is one of the prominent land mass on the earth surface.
  • At a diverging center, two tectonic plates are pulling apart from one another.
  • This creates a space which allows for magma to rise up.
  • The magma then crystallize to form an extensive ridge network known as the mid - oceanic ridge.
  • The continental expression of the ridge can only be found in Iceland
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Which of the following best demonstrates the effect of static friction? A. A person dropping a ball to the ground. B. A person p
Dominik [7]

Answer:

C.

Explanation:

A person pushing a couch will face resistive force of friction . When resistive force is greater then his force of effort , couch will not move. This force is static friction because the couch is stationary. When the force of effort is increased , magnitude of static friction also increases keeping the couch stationary. The ability of the static friction to increase its magnitude is limited by a maximum value beyond which the couch starts moving. The static friction is then converted into kinetic friction.

In rest of the three cases object is already moving so kinetic friction is in action.

6 0
3 years ago
The particle starts from rest at t=0. What is the magnitude p of the momentum of the particle at time t? Assume that t>0. Exp
olganol [36]

Answer:

Ft

Explanation:

We are given that

Initial velocity=u=0

We have to find the magnitude of p of the momentum of the particle at time t.

Let mass of particle=m

Applied force=F

Acceleration, a=\frac{F}{m}

Final velocity , v=a+ut

Substitute the values

v=0+\frac{F}{m}t=\frac{F}{m}t

We know that

Momentum, p=mv

Using the formula

p=m\times \frac{F}{m}t=Ft

6 0
4 years ago
What type of image is formed by a mirror if m = -6.1?
raketka [301]
B. An image that is larger than the object and is in front of the mirror
5 0
4 years ago
Read 2 more answers
A 40-mH ideal inductor is connected in series with a 50 Ω resistor through an ideal 15-V DC power supply and an open switch. If
sergey [27]

Answer:i=300 mA

Explanation:

Given

inductance(L)=40 mH

Resistor(R)=50 \Omega

Voltage(V)=15 V

Time constant(\tau)=\frac{L}{R}

\tau =\frac{40\times 10^{-3}}{50}=8\times 10^{-4}

current i_0=\frac{V}{R}

i_0=\frac{15}{50}=0.3 A

Current as a function of time is given by

i=i_0\left ( 1-e^{-\frac{t}{\tau }}\right )

i=0.3\times 0.9998

i= 299.95 mA

6 0
4 years ago
Consider two particles A and B. The angular position of particle A, with constant angular acceleration, depends on time accordin
Doss [256]

Answer:

t - t_1 = \frac{-\omega_o + \sqrt{\omega_o^2 + 8\alpha(2\omega_o t + \alpha t^2)}}{4\alpha}

Explanation:

After time "t" the angular position of A is given as

\theta_a = \theta_o + \omega_o t + \frac{1}{2}\alpha t^2

now we know that B start motion after time t1

so its angular position is also same as that of position of A after same time "t"

so we have

\theta_b = \theta_o + \frac{\omega_o}{2} (t - t_1) + \frac{1}{2}(2\alpha) (t - t_1)^2

now since both positions are same

\theta_a = \theta_b

\omega_o t + \frac{1}{2}\alpha t^2 = \frac{\omega_o}{2}(t - t_1} + \alpha(t - t_1)^2

2\omega_o t + \alpha t^2 = \omega_o(t - t_1) + 2\alpha(t - t_1)^2

t - t_1 = \frac{-\omega_o + \sqrt{\omega_o^2 + 8\alpha(2\omega_o t + \alpha t^2)}}{4\alpha}

3 0
4 years ago
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