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zysi [14]
3 years ago
6

The horizontal component of force acting at an angle of 30 degree with the horizontal is 100N.Find the magnitude of the force an

d its vertical component.
Physics
1 answer:
devlian [24]3 years ago
4 0

Explanation:

Using trigonometry:

cos θ = Fx / F

cos 30 = 100 / F

F = 115.47

tan θ = Fy / Fx

tan 30 = Fy / 100

Fy = 57.74

The magnitude is 115.47 N and the vertical component is 57.74 N.  Round as needed.

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In an RC-circuit, a resistance of R=1.0 "Giga Ohms" is connected to an air-filled circular-parallel-plate capacitor of diameter
solniwko [45]

Answer:

\tau = 1\ ms

Explanation:

First we need to find the capacitance of the capacitor.

The capacitance is given by:

C = \epsilon_0 * area / distance

Where \epsilon_0 is the air permittivity, which is approximately 8.85 * 10^(-12)

The radius is 12/2 = 6 mm = 0.006 m, so the area of the capacitor is:

Area = \pi * radius^{2}\\Area = \pi * 0.006^2\\Area = 113.1 * 10^{-6}\ m^2

So the capacitance is:

C = \frac{8.85 * 10^{-12} * 113.1 * 10^{-6}}{0.001}

C = 10^{-12}\ F = 1\ pF

The time constant of a rc-circuit is given by:

\tau = RC

So we have that:

\tau = 10^{9} * 10^{-12} = 10^{-3}\ s = 1\ ms

7 0
3 years ago
PLS ANSWER FAST THIS IS TIMED TEST AND WILL GIVE BRAINLY!!!
mylen [45]

Answer:

mass is 5 kg

Explanation:

F=m/a

M=f/a

F=5000

a=1000

5000/1000=5

6 0
3 years ago
Importance of liquid pressure
trapecia [35]

Answer:

hope it helps...

Explanation:

Both the water in the ocean and the air in the atmosphere exert pressure because of their moving particles. ... This causes greater pressure. Denser fluids such as water exert more pressure than less dense fluids such as air. The particles of denser fluids are closer together, so there are more collisions in a given area.

7 0
3 years ago
When does the most significant drop in physical activity typically occur in people's lives?
Eduardwww [97]

Answer:

Later high school years and freshman year of college

Explanation:

The transition from high school to college is an important developmental milestone that holds the potential for personal growth and behavioral change.  A cohort of 2,025 students was recruited during the summer before they matriculated into college and completed Internet-based surveys about their participation in a variety of behavioral risks during the last three months of high school and throughout the first year of college. Alcohol use, marijuana use, and sex with multiple partners increased during the transition from high school to college, whereas driving after drinking, aggression, and property crimes decreased. Those from rural high schools and those who elected to live in private dormitories in college were at highest risk for heavy drinking and driving after drinking.

4 0
3 years ago
(HURRY 20 MINS)
leonid [27]

Answer:

Roles and responsibilities

Explanation:

Definition of safety plan:

"A Safety Plan is a written document that describes the process for identifying the physical and health hazards that could harm workers, <em>procedures to prevent accidents</em>, and steps to take when accidents occur. Written safety plans can be comprehensive, such as an injury and illness prevention program, or they can be specific to a particular activity, hazard, or piece of equipment. The written safety plan is your blueprint for keeping workers safe."

Alternative definition

"What is an OSHA Safety Plan? An OSHA Safety Plan is a written plan that describes the potential hazards in the workplace, <u><em>and the company policies</em></u>, controls, and <u><em>work practices</em></u> used to minimize those hazards."

elements of a safety plan:

Basic Safety Plan Elements

Policy or goals statement

<u><em>List of responsible persons</em></u>

Hazard identification

<em>Hazard controls and safe practices</em>

<em>Emergency and accident response</em>

Employee training and communication

<em>Recordkeeping</em>

I say roles and responsibilities because it makes sense that if it's your responsibility and possibly something that could be dangerous -- hence a safety plan --  you would have to sign it before working. I hope this helps!

4 0
1 year ago
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