-
A solid uniform disk of diameter 3.20 m and mass 42 kg rolls without slipping to the bottom of a hill, starting from rest. if the angular speed of the disk is 4.27 rad/s at the bottom, how high did it
-
A series rlc circuit consists of a 92.0 ω resistor, a 0.160 h inductor, and a 35.0 μf capacitor. it is attached to a 120 v/60 hz power line. what is the peak current i at this frequency
-
A roller-coaster car has a mass of 494 kg when fully loaded with passengers. (a) if the vehicle has a speed of 20.7 m/s at point a, what is the force in newtons exerted by the track on the car at this
-
An rlc circuit has a resistance of 200 ???? and an inductance of 15 mh. its oscillation frequency is 7000 hz. at time t = 0 the current is 25 ma and there is no charge on the capacitor. after five com
-
A 15 kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. what is the magnitude of the minimum force, applied 0.3 m on the other side of the pivot that is needed to make the child
$20.00
Physics
Waiting for answer
-
A guitar string has a mass per length of 2.33×10−3kg/m and a fundamental frequency of 146.8 hz when it is under a tension of 82.4 n. the string breaks, and its owner has only a spare string of mass
-
A gaussian surface in the shape of a right circular cylinder with end caps has a and a length of 80.0 cm. through one end their net flux of 25.0 mwb. at the other end there is a uniform magnetic field
$10.00
Physics
Waiting for answer
-
A completely reversible heat engine operates between a thermal reservoir at 1500 r and a another at 400 r. if the entropy of the sink increases by 10 btu/r, how much will the entropy of the source
-
What physical property causes you to lean one side when the bus you are traveling in takes a sharp turn?
-
A block of mass m = 2 kg has a speed v and is behind a block of mass m = 44 kg that has a speed of 0.5 m/s. the surface is frictionless. the blocks collide and couple. after the collision, the blocks
-
The principle of superposition states that in undisturbed rock layers, the youngest layer of rock will be on the bottom, while the oldest layer will be on the top.
-
Which change increases the electric force between objects? Two neutral objects are moved closer together. Electrons are added to two negatively charged objects. Two oppositely charged objects are move
-
A small puck with a mass of 0.10 kilograms is sliding in the +x-direction on an air table with an initial speed of 8.0 meters/second. The puck collides with a larger puck that is initially at rest. Th
$15.00
Physics
Waiting for answer
-
Vascular plants can be divided into three categories. These categories are A).flowering, nonflowering, and leafy. B).leafy, ground, and underwater. C).seedless, seed (nonflowering), and seed (flowerin
-
One differentiating characteristic between vascular and nonvascular plants is the lack of active transport structures in the nonvascular plants. How does the lack of xylem or phloem contribute to the
-
This problem is about how strongly matter is coupled to radiation, the subject with which quantum mechanics began. For a simple model, consider a solid iron sphere 2.00 cm in radius. Assume its temper
$12.00
Physics
Waiting for answer
-
A ___vector____________ is a quantity that is fully described by both _____magnitude______ and _____direction________.
$15.00
Physics
Waiting for answer
-
A point charge is used to determine the electric field around a charged particle. Why is it necessary that the point charge does not affect the position of the charge being tested?
$12.00
Physics
Waiting for answer
-
On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and ea
-
How long should the nicot wire be taken to become a 70-resistive nicron iron heater when the wiring cross-section area is o, 2 is the specific resistance of nicrome ..
$35.00
Physics
Waiting for answer
-
A block of height 120mm is placed on top of another block with a height of 1.50 m. What is the height of the two blocks together?
-
What is the name of the part of the wave that is labeled with the question mark?https://media.edgenuity.com/contentengine/frames/2a178704-9018-11e3-966b-bc764e043e0c/3208-10-03-10-11-image1.png
$12.00
Physics
Waiting for answer
-
Which of these is generally considered to have been discovered by Einstein? -space is empty -mass bends Space-time -gravity causes acceleration -an electric charge produces an electric field around
-
PLZZZZZ HELP!!!!! (40PTS) How do the recordings of the slow shakes compare to those when the table was shaken strongly? How would the seismogram of a magnitude 9 earthquake compare to that of a 5 magn
-
PLZZZZZ HELP!!!! (40PTS) How do the recordings of the slow shakes compare to those when the table was shaken strongly? How would the seismogram of a magnitude 9 earthquake compare to that of a 5 magni
-
Which statement best describes how a wave would move differently through a pot of boiling water than the steam created from it? A.The wave would move faster through the water than through the steam. B
$35.00
Physics
Waiting for answer
-
The role of the excretory system is to rid the body of toxic waste products. Which of these body systems also plays a direct role in removing waste products from the body?
-
If you row a boat Upstream at 25 kilometers per hour and the river has a downstream velocity of 10 kilometers per hour how fast and in what direction will you move
$20.00
Physics
Waiting for answer
-
Imagine a Carnot engine has a hot reservoir of 680 K and a cold reservoir of 220 K. What is the efficiency of the engine?
-
How much energy in megajoules is given up by 0.75kg of water at 0 C when it freezes to form ice at 0 C
-
mathematically speaking the energy of a wave is directionally proportional to the square of the amplitude of the wave. calculate the energy of a wave that has an amplitude of 4 units
-
NEED HELP FAST:Consider the Freebody diagram if some of the tension force is equal to the force of gravity which description best applies?
-
Rock sediments are carried to other places by the wind, running water, and gravity. As these forces lose energy settling takes place. The sediments settle out of the air or water in rock particles gra
-
A car has a mass of 1.00 × 103 kilograms, and it has an acceleration of 4.5 meters/second 2. What is the net force on the car?
-
E) An astronaut lands on an alien planet. He uses a pendulum (L = 10.0cm) to produce simple harmonic motion, as shown in this graph.c. What is the acceleration due to gravity on the surface of the pla
-
An elevator does 150,000 J of work while exerting a force of 1000 N to take people to the top floor of a building. What distance does the elevator travel? 3 m 150 m 149,000 m 150,000,000 m
-
An orange bumper car (mass=450kg) going 4.5 m/s hits a yellow car that is traveling at 3.7 m/s from behind, causing the orange car to slow down to 3.6 m/s and the yellow car to speed up to 4.4 m/s. Wh
-
Why is the sun considered the biggest star in the solar system? by James Swingland https://www.quora.com/Why-is-the-sun-considered-the-biggest-star-in-the-solar-system/answer/James-Swingland-1?share=8
-
What material has the high resistivity value of a formation layer (ex: water, oil, quartz, clay, etc) and how is the explanation?
$15.00
Physics
Waiting for answer
-
Two strings are adjusted to vibrate at exactly 310 hz . then the tension in one string is increased slightly. afterward, three beats per second are heard when the strings vibrate at the same time. par
-
The system consists of two blocks with m=5 kg each, spring with k=100 n/m, and pulley with radius r=0.1 m and ip=0.1 kg.m2. the system is released from rest with the spring unstretched. determine the
$35.00
Physics
Waiting for answer
-
The journals in an oil engine are 80 mm in diameter. and 50 mm long. the bearing housing has an id of 80.13mm. each supports a load of 10,000n when the shaft is rotating at 3000 rpm. the bearing is lu
-
Suppose a cylindrical habitat in space 8.00 km in diameter and 47.0 km long has been proposed. such a habitat would have cities, land, and lakes on the inside surface and air and clouds in the center.
-
When mantle rocks near the radioactive core are heated, they become less dense than the cooler, upper mantle rocks. These warmer rocks rise, while the cooler rocks sink. This movement of warmer and co
-
If wave (a) has a wavelength of 4.0 m and a frequency of 1.5Ã108 cycles/s, what are the wavelength of wave (b)?
-
How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.5 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50?
$12.00
Physics
Waiting for answer
-
From mechanics, you may recall that when the acceleration of an object is proportional to its coordinate, d2xdt2=âkmx=âÏ2x, such motion is called simple harmonic motion, and the coordinate depends
$12.00
Physics
Waiting for answer
-
At the beginning of the compression process of an air- standard otto cycle, p1 =1 bar, t1 =290 k, v1 =400 cm3. the maximum temperature in the cycle is 2200 k and the compression ratio is 8. determine
-
A piece of wire 17 m long is cut into two pieces. one piece is bent into a square and the other is bent into an equilateral triangle. (a) how much wire should be used for the square in order to maximi
-
What will be the effect of two forces of equal magnitude acting on a moving rigid body from opposite directions along the same line