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
olga_2 [115]
3 years ago
6

Why is apparent depth dangerous for swimmers?

Physics
1 answer:
nlexa [21]3 years ago
5 0
Apparent depth is dangerous for swimmers because 
<span> When you look vertically downwards into a </span>swimming<span> pool full of water the bottom  seems closer than it. </span>If the pool is really deep and it doesn't look deep to you that's not good cuz if you don't know how to swim in deep water you might drown.

Hope this helps ;)
You might be interested in
If the clock runs slow and loses 15 s per day, how should you adjust the length of the pendulum?
Shkiper50 [21]

Answer:

L= 1 m,   ΔL = 0.0074 m

Explanation:

A clock is a simple pendulum with angular velocity

         w = √ g / L

Angular velocity is related to frequency and period.

         w = 2π f = 2π / T

We replace

        2π / T = √ g / L

        T = 2π √L / g

We will use the value of g = 9.8 m / s², the initial length of the pendulum, in general it is 1 m (L = 1m)

With this length the average time period is

           T = 2π √1 / 9.8

           T = 2.0 s

They indicate that the error accumulated in a day is 15 s, let's use a rule of proportions to find the error is a swing

           t = 1 day (24h / 1day) (3600s / 1h) = 86400 s

         e= Δt = 15 (2/86400) = 3.5 104 s

The time the clock measures is

           T ’= To - e

           T’= 2.0 -0.00035

           T’= 1.99965 s

Let's look for the length of the pendulum to challenge time (t ’)

           L’= T’² g / 4π²

           L’= 1.99965 2 9.8 / 4π²

           L ’= 0.9926 m

Therefore the amount that should adjust the length is

           ΔL = L - L’

           ΔL = 1.00 - 0.9926

           ΔL = 0.0074 m

8 0
4 years ago
What is the meaning of Constant Acceleration?
lora16 [44]

Any change in speed or direction of motion is acceleration.

Constant acceleration can mean ...

-- speeding up at a constant rate . . . gaining the same amount
of speed each second.

-- slowing down at a constant rate . . . losing the same amount
of speed each second.

-- changing direction at a constant rate . . . for example, going
around a circular path at a constant speed.

4 0
3 years ago
What is the process by which rock fragments are moved from the source
timurjin [86]

Answer:

Sedimentary

Explanation:

The process by which rock fragments are moved from the source is Sedimentary.

8 0
4 years ago
Read 2 more answers
A trooper is moving due south along the freeway at a speed of 23 m/s. at time t = 0, a red car passes the trooper. the red car m
Deffense [45]
The answer choice is 23
4 0
4 years ago
When I rub my hands together they feel warm. I am converting____
Elena L [17]

Answer:

thermal

Explanation:

sorry if you get it wrong

4 0
3 years ago
Other questions:
  • A wave travels through a medium at 251 m/s and has a wavelength of 5.10 cm. What is its frequency? What is its angular frequency
    14·1 answer
  • A bullet traveling 25m/s takes 30 minutes to get to the station
    12·1 answer
  • Three rocks are rolling down a hill at the same speed. Rock 1 has a mass of 1 kg, rock 2 has a mass of 1.5 kg, and rock 3 has a
    8·1 answer
  • 50 pounds is equal to 22,700 grams. How many pounds does this backpack full of gold weigh? Would you be able to carry out that b
    8·1 answer
  • A bulb with a resistance of 4 Ohms is plugged into a 2V battery. It has a capacity of 3 amps-hours. How long will this bulb rema
    14·1 answer
  • Which diagram shows energy transformation in a moving LRT?
    6·2 answers
  • Calculate the magnitude of a gravitational force between two object 400kg and 800kg separated by a distance of of 45m (take G =
    15·1 answer
  • What are the seasonal changes in the weasel in florida and the weasel in wyoming
    10·1 answer
  • Explain other learning or ideas you gained about conservation of energy
    6·1 answer
  • find the density, in g/cm3g/cm3 , of a metal cube with a mass of 50.3 gg and an edge length (l)(l) of 2.65 cmcm . for a cube v
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!