1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sladkaya [172]
3 years ago
13

7. A volcanic island arc is formed when

Physics
1 answer:
Rzqust [24]3 years ago
5 0
A I believe ^^^^^^ luck!!!
You might be interested in
Technician A says that the oil pan on a two-stroke engine holds more oil than a typical four-stroke engine. Technician B says th
Arturiano [62]

Answer:

Technician A is right, because the lubrication system in a two-stroke engine requires mixing with the fuel, therefore oil is constantly burned, while a 4-stroke engine has a separate lubrication system.

Technician B is wrong, usually the 2-stroke engines are small and the cooling system is that the cylinder container is constructed with a geometry that allows to increase the area of ​​heat transfer called fins, this allows to release heat quickly .

5 0
3 years ago
If a soundproof door is almost shut but still leaves a small opening, what wave phenomenon is responsible for someone being able
lana66690 [7]

The phenomenon which is responsible for this effect is called diffraction.

Diffraction is the ability of a wave to propagate when it meets an obstacle or a slit. When the wave encounters the obstacle or the slit, it 'bends' around it and it continues propagate beyond it. A classical example of this phenomenon is when a sound wave propagates through a wall where there is a small aperture (as in the example of this problem)

5 0
4 years ago
Read 2 more answers
A steady beam of alpha particles (q = + 2e, mass m = 6.68 × 10-27 kg) traveling with constant kinetic energy 22 MeV carries a cu
cluponka [151]

Answer:

Explanation:

q = 2e = 3.2 x 10^-19 C

mass, m = 6.68 x 10^-27 kg

Kinetic energy, K = 22 MeV

Current, i = 0.27 micro Ampere = 0.27 x 10^-6 A

(a) time, t = 2.8 s

Let N be the alpha particles strike the surface.

N x 2e = q

N x 3.2 x 10^-19 = i t

N x 3.2 x 10^-19 = 0.27 x 10^-6 x 2.8

N = 2.36 x 10^12

(b) Length, L = 16 cm = 0.16 m

Let N be the alpha particles

K = 0.5 x mv²

22 x 1.6 x 10^-13 = 0.5 x 6.68 x 10^-27 x v²

v² = 1.054 x 10^15

v = 3.25 x 10^7 m/s

So, N x 2e = i x t

N x 2e = i x L / v

N x 3.2 x 10^-19 = 2.7 x 10^-7 x 0.16 / (3.25 x 10^7)

N = 4153.85

(c) Us ethe conservation of energy

Kinetic energy = Potential energy

K = q x V

22 x 1.6 x 10^-13 = 2 x 1.5 x 10^-19 x V

V = 1.17 x 10^7 V

5 0
4 years ago
What term refers to the part of a spacecraft that is occupied by the crew for takeoff and landing?
Semenov [28]
Command module ✅

service module

lunar module

annum module
7 0
2 years ago
Help, please! Thank you for your kind gesture
blagie [28]

Answer:

The last option.

Explanation:

Since you are going down, the gravitational potential energy would go down too. Thus, the gravitational potential energy decreases.

Since the gravitational potential energy is converted to kinetic energy when you move down, there is an increase in kinetic energy.

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is one disadvantage of allowing an ecosystem to restore naturally? (Please help.)
    14·1 answer
  • A girl pushes a cart with a force of 10 N. if the cart has a mass of 5 kg, what is its acceleration?
    13·1 answer
  • Assume patmos=1.00atm. what is the gas pressure pgas? express your answer in pascals to three significant figures.
    5·2 answers
  • How do I find time?
    12·1 answer
  • What is the magnitude of a rope that is being polled 300n to the left and 425n to the right
    10·1 answer
  • 100 points!!! Please help!!!
    15·2 answers
  • The force of friction between an object and the surface upon which it is sliding is 46N and the coefficient of friction between
    9·1 answer
  • PLEASE HELP ASAP 2. Two rocks with a mass of 5 kilograms and 10 kilograms, respectively, fall freely from rest near
    12·1 answer
  • Why did earth most likely form into distinct, separate layers? (HELP ASAP PLZ)
    11·2 answers
  • Question is in the picture ^
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!