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3 years ago

Hostile work environment sexual harassment can be verbal, visual or physical.

Physics

1 answer:

djverab [1.8K]3 years ago

8 0

Hostile work environment sexual harassment can be verbal, visual or physical. This statement is true.

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You drop a batitin a stationary elevator and the ball hits the floor in o 50 s. How long does it take for the ball to hit the fl

solmaris [256]

Answer:

option (a) 0.61 s

Explanation:

Given;

Time taken by the ball to reach the ground = 0.50 s

Let us first calculate the distance through which the ball falls on the ground

from the Newton's equation of motion, we have

$s=ut+\frac{1}{2}at^2$

where,

s is the distance

a is the acceleration

t is the time

here it is the case of free fall

thus, a = g = acceleration due to gravity

u = initial speed of the ball = 0

on substituting the values, we get

$s=0\times 0.50+\frac{1}{2}\times9.8\times0.50^2$

s = 1.225 m

Now,

when the elevator is moving up with speed of 1.0 m/s

the initial speed of the ball = -1.0 m/s (as the elevator is moving in upward direction)

thus , we have

$s=ut+\frac{1}{2}at^2$

$1.225=-1.0\times\ t+\frac{1}{2}\times9.8t^2$

4.9t^2 - t - 1.225 = 0

t = 0.612 s

hence, the correct answer is option (a) 0.61 s

4 0

3 years ago

If we've traveled with medium and displaces the particles perpendicular to the direction in which the wave is traveling. This ty

AlexFokin [52]

This type of wave is a transverse wave, or an S wave (secondary wave)

4 0

3 years ago

A power supply maintains a potential difference of 52.3 V 52.3 V across a 1570 Ω 1570 Ω resistor. What is the current in the res

irakobra [83]

Answer:

0.033 A

Explanation:

Current: This can be defined as the rate of flow of electric charge in a circuit.

The S.I unit of current is Ampere (A)

From Ohm's law.

V = IR ............................ Equation 1

Where V = Potential difference, I = current, R = resistance.

Making I the subject of the equation,

I = V/R................... Equation 2

Given: V = 52.3 V, R = 1570 Ω

Substitute into equation 2

I = 52.3/1570

I = 0.033 A.

Hence the current in the resistor = 0.033 A

6 0

3 years ago

The momentum of an object is determined to be 7.2 X 10-3 kg m/s. Express this quantity as provider or use any equivalent unit.

olasank [31]

There could be more than just one answer, since kilograms can be converted to grams, to miligrams, etc.

$7.2\frac{g.m}{s}$

$7200\frac{mg.m}{s}$

Why?

Let's remember some conversion factors to work with kilograms (kg)

$1kg=1000g=1x10^{3}g \\1kg=1,000,000mg=1x10^{6}mg \\1g=1000mg=1x10^{3}mg$

So, we are given the momentum:

$momentum=7.2x10^{-3} \frac{kg.m}{s}$

We can rewrite the units of the momentum (equivalent) as follow:

$momentum=7.2x10^{-3}kg \frac{m}{s}=7.2x10^{3} x10^{-3}g\frac{m}{s}=7.2\frac{g.m}{s}$

and

$momentum=7.2x10^{-3}kg \frac{m}{s}=7.2x10^{3} x10^{6}mg\frac{m}{s}=7.2x10^{3}\frac{mg.m}{s}$

Note: There could be more equivalent units for the momentum, in example, we could work with equivalent units for meters (distance) and seconds (time).

Have a nice day!

8 0

3 years ago

Read 2 more answers

A fluid, with a density of rho = 1165 kg/m3, flows in a horizontal pipe. In one segment of the pipe the flow speed is v1 = 4.53

Elza [17]

Answer:

The pressure difference between two pipe is $1.01 \times 10^{4}$ Pa

Explanation:

Density $\rho = 1165$ $\frac{kg}{m^{3} }$

Speed in one pipe $v_{1} = 4.53$ $\frac{m}{s}$

Speed in second pipe $v_{2} = 1.77$ $\frac{m}{s}$

According to the bernoulli equation,

The pressure difference is given by,

$P = \frac{1}{2} \rho v^{2}$

$P_{2} - P_{1} = \frac{1}{2} \rho (v_{1}^{2} - v_{2}^{2} )$

$P_{2} - P_{1} = \frac{1}{2} \times 1165 \times[ (4.53)^{2}- (1.77)^{2}]$

$P_{2} - P_{1} = 10128.51$

$P_{2} - P_{1} = 1.01 \times 10^{4}$ Pa

Therefore, the pressure difference between two pipe is $1.01 \times 10^{4}$ Pa

6 0

3 years ago