Answer:
A,when the two air masses meet,the cold air cools the block if warm air,causing it to condense and form stratus clouds( blankets of blank clouds that form when air rises slowly e.g. a warm air mass meets a cold one). Eventually when the cloud becomes saturated precipitation falls from them(precipitation is moisture in any form that falls from the atmosphere).
5.00 N
1440 N
1490 N
A nurse applies a horizontal force of 147 N on a bed that has a mass of 152 kg. The magnitude of the normal force acting on the bed is 1490 N.
A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
The force applied by the nurse is horizontal, so there's no vertical component.
Therefore, the normal force is simply equal to the weight of the bed.
N = mg
N = (152 kg) (9.8 m/s²)
N = 1490 N
A nurse applies a horizontal force of 147 N on a bed that has a mass of 152 kg. The magnitude of the normal force acting on the bed is 1490 N.
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Answer:
1490 N
Explanation:
The force applied by the nurse is horizontal, so there's no vertical component.
Therefore, the normal force is simply equal to the weight of the bed.
N = mg
N = (152 kg) (9.8 m/s²)
N = 1490 N
Answer:
B 1.08 BILLION
Explanation:
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Who is the president of Kenya?
Uhuru Kenyatta
Answer:
Uhuru Muigai Kenyatta
Explanation:
He was born on 26 October 1961.
He is a Kenyan politician, businessman, and the fourth and current President of the Republic of Kenya.
Elements in the same group or family share important properties due to their similar electronic configurations and valence shell structure.
The periodic table is organized based on the electronic structure of atoms, specifically the arrangement of electrons in energy levels or shells. Elements within the same group or family of the periodic table have similar outer electron configurations, leading to shared properties and behaviors.
Elements in a group have the same number of valence electrons, which are the electrons in the outermost shell or energy level of an atom. Valence electrons are crucial because they determine an element's chemical reactivity and its ability to form bonds with other atoms.
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The speed at which a car can safely navigate a given curve is determined by the equation for centripetal force and the maximum static friction that prevents the car from slipping. Calculating this speed using the given force of static friction (8,127 N), mass of the car (1,423 kg) and the radius of the curve (30 m), we get a result of roughly 22.6 m/s or 81.4 km/h.
The problem involves finding the speed at which a car can safely navigate a highway curve without slipping, given a set radius and maximum force of static friction. This is a physics scenario involving centripetal force and friction. Centripetal force is the net force causing circular motion and static friction is the friction that acts to prevent the car from slipping off the road.
In this scenario, the maximum static friction matches the required centripetal force for a safe curve negotiation. Hence, the equation for centripetal force, Fc = mv²/r, applies here. In this expression, Fc is the centripetal force, m is the mass of the car, v is the velocity or speed, and r is the radius of the curve. Given that Fc = 8,127N, m = 1,423 kg, and r = 30 m, we can rearrange the formula to find v = √(Fc ∗ r / m).
Running the calculation, v = √((8,127 N * 30m) / 1,423 kg), results in a speed limit of roughly 22.6 m/s. However, as speed limits are not posted in meters per second, it is appropriate to convert the speed to kilometers per hour. Multiply the result by (3600 s/h / 1000 m/km) to convert it into km/h which gives a speed limit of about 81.4 km/h.
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A. nuclei
B. nucleons
C. electrons
D. protons
E. neutrons
The correct option is C.
Atoms are neutral; they contain the same number of protons as electrons. By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion.
An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
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