-
Which best describes the physical and chemical digestion of food? Physical and chemical digestion occur in the mouth; only chemical digestion occurs in the small intestine. Physical and chemicall dige
$35.00
Physics
Waiting for answer
-
2. You do work on something when you lift if against gravity. Explain how work relates to gravitational potential energy using at least two complete content related sentences. If the lifted object is
-
Sound waves are mechanical waves in which the particles in the medium vibrate in a direction parallel to the direction of energy transport. Identify another name for this type of wave motion/10763632/
$15.00
Physics
Waiting for answer
-
Which statement is true? (2 points) Geothermal power plants use the renewable resource of heat from within the Earth to generate electricity. Hydroelectric energy uses the energy from the sun, which
-
An ice skater starts with a belocity of 2.25 m/s in a 50 degree dorection. After 8.33 s, she is moving 4.65 m/s in a 120 degree direction. What is the x component of her acceleration?
$20.00
Physics
Waiting for answer
-
An igneous rock interacts with the different layers of Earth and is subjected to heat and pressure over a long period of time. However, it does not melt. What is most likely formed as a result of thes
-
A smooth hemispherical bowl of radius r is fixed with its rim uppermost and horizontal. A smooth uniform rod of length 2l (l>r) rest with one end inside the bowl and leaning on the rim. Find the lengt
$10.00
Physics
Waiting for answer
-
What does a velocity vs time graph look like for constant velocity if the speed is 2m/s. And the time is not given.
-
You apply 100.0 N of force to a machine. The machine applies 20.0 N of force to the load. What is the mechanical advantage of the machine?
$12.00
Physics
Waiting for answer
-
Andy has two strong magnetic marbles of equal size. What will happen when he puts the two marbles about 2 centimeters apart?
$35.00
Physics
Waiting for answer
-
Venn diagrams are used for comparing and contrasting different topics. The overlapping sections show characteristics that the topics have in common, and the sections that are unique to each topic show
-
Explain why organisms are more likely to be well preserved in mud than in sand? Justify your response in two or more complete sentences.
$12.00
Physics
Waiting for answer
-
A paper-filled capacitor is charged to a potential difference of 2.8 V and then disconnected from the charging circuit. The dielectric constant of the paper is 3.7. Keeping the plates insulated, the p
-
The list shows the results of six athletes competing in the long jump, which has a target distance of 20 feet. 12 feet, 11 feet, 13 feet, 10 feet, 20 feet, 12 feet
$12.00
Physics
Waiting for answer
-
According to Binet, mental age relates to chronological age because ___________. A. they are the same thing B. mental age involves calculating the chronological age at which a person functions C. chro
$20.00
Physics
Waiting for answer
-
In Robin’s linguistics class, the teacher and students are discussing how the word “nice” once meant “foolish” and how “awful” used to mean “full of awe.” They are most likely discus
-
If you mix equal amounts of cyan pigments and magenta pigments on a sheet of white paper, what color will you see on the paper? A. Red B. Blue C. Black D. Yellow E. Cyan F. Magenta
-
Lab Report Please read carefully and do your best. Thank you.
-
Scientist and engineers may recommend carpets and draperies for the walls of concert hall to reduce excess A. Echolocation B.reverberation C.frequency D amplitudes
$15.00
Physics
Waiting for answer
-
A car is moving east along a straight, level road at a constant velocity. Which forces form an action/reaction force pair?
-
A pitcher throws a 0.5 kg ball of clay at 6 kg block of wood. the clay sticks to the wood on impact, and their joint velocity afterward is 3 m/s. what was the original speed of clay?
-
If an object is thrown in an upward direction from the top of a building 1.6 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground?
-
50 PTS!!! Consider the psychological theories that you have learned about so far. Select and write about one theory that you personally believe is the most effective or significant. Explain why you th
-
Can someone please help me thank you so much. A 200-kg boulder has 39,200 joules of gravitational potential energy. What height is it at?
$10.00
Physics
Waiting for answer
-
Isabel’s first car had a manual stick shift. After many years of driving an automatic car, she needs to use her sister’s car, which also has a stick shift. Isabel takes a few minutes to get used t
$12.00
Physics
Waiting for answer
-
Which phrase best describes matter? A. Matter is made of atoms and is too small to see. B. Matter is solid and heavy. C. Matter has mass and takes up space. D. Matter has volume and takes up space.
-
CAN SOMEONE PLZ HELP ME OUT CAUSE IM CONFUSED Match the phrase with the correct benefit of stretching. ANSWER OPTIONS: 1. Decreasing joint stiffness, 2. Improved ability to relax, 3. Improved posture
-
When you lift a bowling ball with a force of 87 n , the ball accelerates upward with an acceleration a. if you lift with a force of 98 n , the ball's acceleration is 2a?
-
A 50-g flake of aluminum is submerged in liquid nitrogen and left immersed until it is in thermal equilibrium. The flake is then removed and placed in a well-insulated container with 493 ml of water a
$10.00
Physics
Waiting for answer
-
The electric field everywhere on the surface of a charged sphere of radius 0.293 m has a magnitude of 510 n/c and points radially outward from the center of the sphere. what is the net charge on the s
$12.00
Physics
Waiting for answer
-
If each of the posts has an unloaded length of 1 m and a cross-sectional area of 650 mm2 , and the spring has a stiffness of k = 4 mn/m and an unstretched length of 1.02 m , determine the vertical dis
-
A slit has a width of w1 = 4.0 × 10-6 m. when light with a wavelength of λ1 = 648 nm passes through this slit, the width of the central bright fringe on a flat observation screen has a certain value
-
Measuring the temperature of very cold substances can be challenging. Here is one way to measure the temperature of liquid nitrogen. A 50-g flake of aluminum is submerged in liquid nitrogen and left i
$10.00
Physics
Waiting for answer
-
A dam is a structure built across a river to hold back the river's water. The flow of water through a dam is controlled by gates. When the gates are closed, water is held at a greater height than it w
$10.00
Physics
Waiting for answer
-
Give examples of the one element from the alkaline earth metal group and one from the noble gases group. Include each element atomic number, atomic mass number of neutrons of valence electron number o
-
A college student exerts 100N of force to lift his laundry basket the weighs 75N. at what rate is the basket accelerated upwards?
-
Two sinusoidal waves of the same frequency travel in the same direction along a string. if ym1 = 3.8 cm, ym2 = 5.6 cm, φ1 = 0, and φ2 = π/2 rad, what is the amplitude of the resultant wave?
-
The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas beh
-
Seven lb of propane in a piston-cylinder assembly, initially at p1=200 lbf/in.2 and t1=200℉ , undergoes a constant-pressure process to a final state. the work for the process is -88.84 btu. at the f
-
If your kinetic energy is different from your work input (either greater or less) throughly explain what caused this
-
If 45.1 m of nichrome wire is to have a resistance of 11.2 ω at 20.0°c, what diameter wire should be used?
$15.00
Physics
Waiting for answer
-
Determine the design tensile strength (φpn) for a tension member composed of a pl5 × 8 with holes punched for 3 in.
$10.00
Physics
Waiting for answer
-
A truck is traveling at a constant speed of 67.1 miles per hour when it passes a sports car which is at rest. 1.00 s later, the sports car begins motion from rest and travels with uniform acceleration
-
A steady normal shock wave occurs in an air flow at a point where the velocity is 680 m/s, the static pressure is 100 kpa, and the static temperature is 50°c. calculate the velocity, and static press
$12.00
Physics
Waiting for answer
-
A platform is executing simple harmonic motion in a vertical direction with an amplitude of 5 cm and a frequency of 10/π vibrations per second. a block is placed on the platform at the lowest point o
-
To get an spaceship into orbit, it has to move about as fast as the speed of sound about as fast as the speed of light about 18,000 miles per hour there is no minimum speed for orbital motion
$35.00
Physics
Waiting for answer
-
Name and describe an alternative renewable energy source in a complete sentence. Hint-Kenetic energy is the energy of motion,and potential energy is related to position.
-
A body A of mass 1.5kg, travelling along the positive x-axis with speed 4.5m/s, collides with another body B of mass 3.2kg which, initially, is at rest. Because of the collision, A is deflected and mo
-
Which part of the war picks up vibrations from the atmosphere? A. Eardrum B. Bones of the middle ear C. Hair cells D. Nerve from the inner ear
-
1. Go toi. HYPERLINK "http://science-edu.larc.nasa.gov/energy_budget/" http://science-edu.larc.nasa.gov/energy_budget/ and review. Focus on the Earth’s Energy Budget diagram.ii. Please conduct infor