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
Talja [164]
3 years ago
5

A radiation worker is subject to a dose of 200 mrad/h of maximum QF neutrons for one 40 h work week. How many times the yearly a

llowable effective dose did she receive?
Physics
1 answer:
jonny [76]3 years ago
6 0

Answer:

16 times.

Explanation:

The rate of the radiation dose is , R = 200 ×10^{-3} rad/hr

Time consumed, t = 40 hr

The magnitude of Q.F for the neutrons, Q.F = 2

Thus the effective radiation dose is:

R_{Eff} = Rt(Q.F) \\= 200 \times 10^{-3} \frac{rad}{hr} (40hr)(2) \\= 16 \ rad

Thus, the effective dose allowable yearly = 16 times

You might be interested in
Which list of elements contains only metals?
fredd [130]
C. those are all metals.
6 0
3 years ago
Read 2 more answers
A ship sets sail from Rotterdam, The Netherlands, heading due north at 8.00 m/s relative to the water. The local ocean current i
Nuetrik [128]

Answer:

The velocity of the ship relative to the earth V = 9.05 \frac{m}{s}

Explanation:

The local ocean current is  = 1.52 m/s

Direction \theta = 40°

Velocity component in X - direction V_{x} = 1.52 \cos 40°

V_{x} = 1.164 \frac{m}{s}

Velocity component in Y - direction V_{y} = 8 + 1.52 \sin 40°

V_{y} = 8.97 \frac{m}{s}

The velocity of the ship relative to the earth

V = \sqrt{V_{x}^{2} + V_{y} ^{2}  }

Put the values of V_{x} and V_{y} we get,

⇒ V = \sqrt{1.164^{2} + 8.97 ^{2}  }

⇒ V = 9.05 \frac{m}{s}

This is the velocity of the ship relative to the earth.

7 0
3 years ago
Please need help ASAP. Would really appreciate it.
a_sh-v [17]

if i renember correctly its b

3 0
3 years ago
A rock has 750 J of potential energy as it sits on a ledge. If the rock were pushed off the ledge, how much would it have just b
wariber [46]

Answer:

the 750 j will have potential energy is 375

Explanation:

750/2 is 375

8 0
2 years ago
Children between the ages of 6 to 11 are within the developmental stage referred to as.... Middle childhood early childhood adol
tensa zangetsu [6.8K]

Answer:

Middle childhood

Explanation:

<em>Middle childhood happens around ages 6 to 12,</em> is a stage in the human development characterized by the steady rate of physical growth of the individual in contrast with the fast rate of emotional, cognitive and emotional development that will prepare them for future stages (adolescence and adulthood).

I hope you find this information useful and interesting! Good luck!

4 0
3 years ago
Other questions:
  • The diagram shows a ball resting at the top of a hill.
    8·2 answers
  • How will the gravitational force on a piece of the surface of the star (m1) by the mass of the rest of the star (m2) (effectivel
    11·1 answer
  • A stubborn 130 kg pig sits down and refuses to move. to drag the pig to the barn, the exasperated farmer ties a rope around the
    6·1 answer
  • A 5510 kg space probe, moving nose-first toward Jupiter at 250 m/s relative to the Sun, fires its rocket engine, ejecting 75.0 k
    7·1 answer
  • What is the approximate number of galaxies in the known universe, assuming that the milky way has an average mass and that all o
    12·1 answer
  • The shortest path between two points is: <br><br> 1) displacement <br><br> 2) breadth
    8·2 answers
  • Calculate the kinetic energy of an 80,000 kg airplane that is flying with a velocity of 167 m/s.
    10·1 answer
  • As a pendulum swings from its highest to its lowest position along an arc, what happens to its kinetic energy and potential ener
    12·1 answer
  • A copper coin resting on a piece of cardboard is placed on a beaker as shown in the diagram below. When the cardboard is rapidly
    10·1 answer
  • First aid for a strain or a sprain
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!