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FinnZ [79.3K]
3 years ago
13

Is this statement true or false? The littoral zone is exposed to air.

Physics
1 answer:
Nezavi [6.7K]3 years ago
3 0
It is indeed true. the litoral zone is exposed to air.
You might be interested in
A man is trying to push a 250 N dresser across his carpeted bedroom. He applies a force of 20 N and the carpet provides a fricti
11111nata11111 [884]

Answer:

The correct option is;

B. Subtract vectors A from C; F_{Net} = 12 N

Explanation:

The given parameters are;

The weight of the dresser = 250 N

The force applied by the man = 20 N = C

The frictional force provided by the carpet = 8 N = The component of the weight resisting motion = A

Therefore, the net force tending to put the dresser in motion, F_{Net}, is given as follows;

F_{Net} = The force applied by the man, C - The frictional force provided by the carpet which is the component of the weight resisting motion, A

F_{Net} = C - A = 20 N - 8 N = 12 N

F_{Net} = 12 N

The resulting net force, F_{Net} = 12 N.

3 0
3 years ago
True or false: Ultimate tensile strength increases as the thickness of a solid material sample increases.
Varvara68 [4.7K]

Answer:

False.

Explanation:

Tensile strength should remain constant, regardless of thickness. For larger cross sections, it can slightly increase because the atoms in the center become more constricted and therefore less responsive to the applied stress.

7 0
3 years ago
Read 2 more answers
5. Calculate how long in seconds it will take for a light pulse to travel from earth to the moon. The distance from earth to moo
solniwko [45]

Answer:

0.13 seconds

Explanation:

Since 1 Km = 0.621 miles

3.84 x 105 km = 3.84 x 105 × 0.621 = 23846.4 miles

Speed = distance/time

time= distance/speed

Time= 23846.4/186,000

Time= 0.13 seconds

3 0
3 years ago
Please need help on this
mote1985 [20]

-- Whether an object floats or sinks in water depends on whether its density is more or less than the density of water.

-- The density of the rock didn't change when she threw it into the lake.

-- The density of the water didn't change when she threw the rock into the lake.

-- The density of anything never depends on how much of it you have.

-- If the rock sank in two ounces of water, it'll sink in a billion gallons of water.

--  Choose ' <em>A </em>' .

3 0
3 years ago
Read 2 more answers
If the mass of a wheel is increased by a factor of 7 and the radius is increased by a factor of 15, by what factor is the moment
inn [45]

Answer:

The moment of inertia will be increased by a factor of 1575

Explanation:

Let the moment of inertia of a wheel be given as;

I = \frac{1}{2} mr^2\\\\

where;

I is the moment of inertia of the wheel

m is mass of the wheel

r is radius of the wheel

when the mass is increased by a factor of 7 and the radius is increased by a factor of 15

I_1 = \frac{1}{2}mr^2\\ \\I_2 = \frac{1}{2}(7m)(15r)^2\\\\I_2 =  \frac{1}{2}(7m)(225r^2)\\\\I_2 = 7\times 225[\frac{1}{2}(mr^2)]\\\\I_2 = 1575[\frac{1}{2}(mr^2)]\\\\Recall, \frac{1}{2}(mr^2) = I_1 \\\\I_2 = 1575 I_1

Thus, the moment of inertia will be increased by a factor of 1575

3 0
3 years ago
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