Analyzing two-dimensional projectile motion is done by breaking it into two motions: along the horizontal and vertical axes.
hope it helps!!
Answer:
up and down
Explanation:
this is because they do have the correct flagellum to move to the left and to the right
why it is important to have regular supervision of the weights and measurements in the marked?
Explanation:The fundamental answer is that without regular supervision of, and definitions of, weights and measures, commerce and exchange would be impossible, and there would be no market whatsoever for anything.
Explanation:
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Answer:
It has potential energy and then the eg=nergy goes to the bug killing it becay=use of the force
Explanation:
"use the force luke"
Answer:
It has potential energy and then the energy goes to the bug killing it because of the force
Explanation:
1.Explain how a beach ball and a bowling ball can be similar in sizebut differ in physical properties Be sure to discuss densitymass colorsize, and volume
2. How would each behave if you tossed them into air?
Answer:
well a beach ball could be any size at all a bowling ball is usually the same size the weight difference is inside of them inside the beach ball there's air although in a bowling ball there's cement or rock i don't know what they put inside the ball but anyway the bowling ball a lot higher density o it has more volume so the bowling ball is a lot heavier than just a beach ball
Explanation:
How to find pressure when mass and area is given?
Answer:
Pressure and force are related, and so you can calculate one if you know the other by using the physics equation, P = F/A. Because pressure is force divided by area, its meter-kilogram-second units are newtons per square meter, or N/m2.
Explanation:
Do you not feel the pressure when mass is on you?
What are immiscible liquids?
Immiscible liquids are those which won't mix to give a single phase. Oil and water are examples of immiscible liquids - one floats on top of the other. It explains the background to steam distillation and looks at a simple way of carrying this out.
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I need help in question 9 plzzz
True is the correct answer
What happens to cause the tissue around a cut to become swollen, red, and
painful?
A. Fluid and white blood cells move into the tissue from nearby blood
vessels.
B. White blood cells burst and release wastes made by digesting
pathogens.
C. Lymph nodes develop in the tissue and begin trapping pathogens.
D. Chemical messengers released by the tissue cause nearby
muscles to contract and pull on bones.
SUBM
Answer:
The answer is A. Fluid and white blood cells move into the tissue from nearby blood vessels.
Explanation:
Answer:
A is the Answer
Explanation:
I took the test
What causes earth's magnetic field to flip?
Answer:
The generation of Earth's magnetic field starts at its very center. Some researchers believe polarity reversals are caused by a disturbance in the balance between Earth's rotation and the temperature at the core, which alters the fluid motion of the liquid iron, but the exact process remains a mystery.
what is friction. what are the two important properties of friction
Answer: 1. It always acts in the direction opposite to the direction of motion. 2. It's magnitude is equal to that of the force trying to set the object in motion only until it starts to move.
Explanation: Properties of frictional forces:
1. Frictional force always acts parallel to two planes in contact with each other and in a direction opposite to that of relative motion of the two bodies. 2. Frictional forces are caused due to intermolecular interactions between the bodies.
Explanation:
force is a force between two surfaces that are sibling
1. it acts parrell
2. it is caused due to intermolecular interactions between two bodies
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a body complete 400 j work in 5 second.what is its power
Answer:
80 watts
Explanation:
power= energy / time
400/5 = 80
How are computers used in education and entertainment? List them.
Answer:
The computers used in education and entertainment are:
Explanation:
Analog computer,Digital COMPUTER,Hybrid Computer
How would you describe the relationship of an object’s speed
Answer: Average speed is distance divided by time interval for the distance traveled.
Explanation: I hope that helped!
solve for x 19.2=x/98.9
Which example demonstrates constant speed with changing direction?
Uniform circular motion is defined as the constant-speed movement of an object in a circle.
What is Speed?The definition of speed is. The rate at which an object's position changes in any direction. Speed is defined as the ratio of distance traveled to time spent traveling.
Speed is classified as a scalar quantity because it has only one direction and no magnitude.
In summary, the act of turning away or in the opposite direction. reversal, reverse, reversion, turnabout, turnaround.
Learn more about Speed here:
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two forces of 1.5N and 2.0N act vertically at two ends of a meter scale.Where and in what direvtion should a force should be applied so that the scale remains horizontally stable
Answer:
.5 newtons on the 1.5 N side
A bus slows from 10 m/s to a stop in 4 seconds.
What is its change in velocity? what is its acceleration?
Answer:
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Explanation:
A professional baseball player can throw the ball around 45 m/s if the distance between the pitcher and the batter is 18.39 m. How much time does it take for the ball to get to the batter?
Answer:
The time taken for the ball to get to the batter is 0.41 s.
Explanation:
Given;
initial velocity of the baseball, u = 45 m/s
horizontal distance between the pitcher and the batter, X = 18.39 m
The horizontal distance or range of a projectile is given as;
X = ut
where;
t is the time of flight
u is the initial velocity
t = X / u
t = 18.39 / 45
t = 0.41 s
Therefore, the time taken for the ball to get to the batter is 0.41 s.
How much tension must a rope withstand if it is used to accelerate a 6526 kg car vertically upwards at 8.9 m/s^2?
Answer:
The value is [tex]T = 122036.2 \ N[/tex]
Explanation:
From the question we are told that
The mass of the car is [tex]m = 6526 \ kg[/tex]
The acceleration is [tex]a= 8.9 \ m/s^2[/tex]
Generally the net force applied on the rope is mathematically represented as
[tex]F_{net} = T - W[/tex]
Here W is the weight of the car which is evaluated as
[tex]W = m * g[/tex]
=> [tex]W = 6526 * 9.8[/tex]
=> [tex]W = 63954.8 \ N[/tex]
Generally the net force can also be mathematically represented as
[tex]F = m * a[/tex]
So
[tex]m * a = T - 63954.8[/tex]
=> [tex]6526 * 8.9 = T - 63954.8[/tex]
=> [tex]T = 122036.2 \ N[/tex]
i need help on this question.
Answer:
Answer: B. 49 N
Explanation:
Friction Force
When an object is at rest on a rough surface, it encounters a friction force that opposes motion.
The friction force when an object is moving on a horizontal surface is calculated by:
[tex]Fr=\mu_k N[/tex]
Where [tex]\mu_k[/tex] is the coefficient of static friction and N is the normal force.
If no forces other then the weight and the normal are acting upon the y-direction, then the weight and the normal are equal in magnitude:
N = W = m.g
Thus, the friction force is:
[tex]Fr=\mu_k W[/tex]
We are given the coefficient of static friction [tex]\mu_k=0.5[/tex] and the mass of the object m=10 Kg. The minimum force needed to make it start moving is the maximum friction force:
Fr=0.5*10*9.8
Fr = 49 N
Answer: B. 49 N
Which substance is a heterogeneous mixture?
Cheddar cheese
clean air
Granola bar
Drinking water
Answer:
Granola Bar
heterogeneous: Makeup of the object can be separated: In this case; oats, nuts, fruit etc.
Explanation:
All the other options are homogenous.
Cheddar cheese: consistent make-up
Drinking water: H20 plus sanitizers like chlorine but is not separable
Clean air: Oxygen and nitrogen mixture
la) What is meant by the term Basic Quantities.
Answer:
A basic quantity is basically the physical quantity that can not be defined in terms of other quantities.
Explanation:
A basic quantity is basically the physical quantity that can not be defined in terms of other quantities.
Some of the names of the basic quantities include:
Mass, denoted by the symbol 'm', with S.I. unit 'kg'Length, denoted by symbol 'l', with S.I. unit 'm'Time, denoted by symbol 't', with S.I. unit 's'Current, denoted by 'I', with S.I. unit 's' 'A'Temperature, denoted by 'T', with S.I. unit 'K'Amount of substance, denoted by 'n', with S.I. unit 'mol'Luminous Intensity, denoted by 'Iv', with S.I. unit 'cd'A basic quantity is chosen arbitrarily.How many days does the earth take to rotate around the sun
Answer:
1 day
Explanation:
The spinning movement of Earth around its axis is known as Earth's rotation.
The Earth rotates around the Sun in 1 day that is 24 hours but once in every 23 hours, 56 minutes, and 4 seconds with respect to other stars.
According to the Indian astronomer Aryabhata, Earth rotates about its axis daily.
True or False. The speed of light is sped up by dense media.
The water-balloon weighs 4.9 N. gravitational field strength = 9.8 N/kg Calculate the mass of the water-balloon
Answer:
0.5kg
Explanation:
Mass = Weight / Gravitational field strength
Mass = 4.9 / 9.8
Mass = 0.5
A box has a mass of 150kg and the surface area of the bottom of the box is :
[tex]15m {}^{2} [/tex]
. How much pressure the box will exert on the floor?
Answer:
Pressure = 100 Pascals
Explanation:
[tex]pressure = \frac{force}{area} \\ = \frac{150 \times 10}{15} \\ = \frac{1500}{15} \\ = 100 pa[/tex]
A student thinks that any real vibration must be damped. Is the student correct? If so, give convincing reasoning. If not, give an example of a real vibration that keeps constant amplitude forever if the system is isolated.
Answer:
Yes the student is correct
Explanation:
The first law of thermodynamics states that energy can neither be created nor destroyed
The second law of thermodynamics states that the entropy (disorderliness) of an isolated system always increases
Therefore, whereby energy is not supplied to maintain the orderly oscillatory motion with constant amplitude, the amplitude of the system is bound to reduce with time that is the vibration of the system must be damped
a roller coaster accelerates from initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds . what is the acceleration ?
The rate of acceleration for a basketball that is falling to the ground is 9.8 meters per second. The force exerted on the basketball is 29.4 Newtons. What is the mass of the object?
2.
Which of the following gear speeds
makes motor vehicle move faster?
a) 0
b) 11
c) 2
d) 3
e) 4
Answer:
e.4
Explanation: