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
fredd [130]
3 years ago
13

Photoelectrons with a maximum speed of 7.00 · 105 m/s are ejected from a surface in the presence of light with a frequency of 8.

00 · 1014Hz. If the mass of an electron is 9.1 · 10-31 kg, calculate the maximum kinetic energy of a single electron, in joules.
_____ J

6.3 x 10-25
4.4 x 10-19
3.2 x 10-25
2.2 x 10-19
Physics
1 answer:
aliya0001 [1]3 years ago
3 0

Answer:

2.2 x 10-19

Explanation:

Kinetic Energy = 1/2 m v ^2

You might be interested in
Which best describes Earth's magnetic pole?
goblinko [34]

Answer:

b

Explanation:

because with no pole there is no role

7 0
2 years ago
Read 2 more answers
The International Space Station has a mass of 1.8 × 105 kg. A 70.0-kg astronaut inside the station pushes off one wall of the st
Aleonysh [2.5K]

Answer:

a = 5.83 \times 10^{-4} m/s^2

Explanation:

Since the system is in international space station

so here we can say that net force on the system is zero here

so Force by the astronaut on the space station = Force due to space station on boy

so here we know that

mass of boy = 70 kg

acceleration of boy = 1.50 m/s^2

now we know that

F = ma

F = 70(1.50) = 105 N

now for the space station will be same as above force

F = ma

105 = 1.8 \times 10^5 (a)

a = \frac{105}{1.8 \times 10^5}

a = 5.83 \times 10^{-4} m/s^2

3 0
3 years ago
Suppose you're watching your favorite soap opera. After one of the main characters is thrown from a galloping horse, she suffers
Viktor [21]
She suffers from <span>Retrograde </span>amnesia 
5 0
3 years ago
Read 2 more answers
Use tide and tidal range in the same sentence
erma4kov [3.2K]
Tidal waves are caused by winds and high tides, and a tidal range changes.  there you go
7 0
3 years ago
Which device is using a motor? A. A water heater creates heat energy from electric energy. B. A waterfall rotates a waterwheel t
Mumz [18]

Answer:

C is the right answer.

Body massager uses electrical energy to move back and forth. In this sense, a motor is being used for the operation

4 0
3 years ago
Other questions:
  • You have two springs. one has a greater spring constant than the other. you also have two objects, one with a greater mass than
    10·1 answer
  • NEED HELP RIGHT NOW PLSSSS!!
    8·1 answer
  • The displacement is a straight line from the starting point to the finish in a ____ direction
    9·1 answer
  • Fill in the blank.
    8·2 answers
  • according to newton's law of universal gravitation, in which of the following situations does the gravitational attraction betwe
    10·1 answer
  • What budget item does not necessary include expense
    15·1 answer
  • A toy rotates at a constant 5rev/min. is its angular acceleration positive, negative, or zero?
    11·1 answer
  • How much work is required to move an electron
    11·1 answer
  • A 500 kg car is moving at 30 m/s. The driver sees a barrier ahead. If the car takes 100 m to come to rest, what is the magnitude
    10·1 answer
  • Which occurs when a warm fluid cools down?<br><br> ⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔⇔
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!