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Physics
Page 18
Questions (146,897)
A car traveling at 46 mi/h slows to a speed of 23 mi/h in 5 seconds. It maintains that speed for 5 seconds and then slows to
42 answers
asked by
Amber
11,642 views
Which has more air resistance: a flat sheet of paper or a paper airplane? (1 point)
1. A sheet of paper because it has a wider
10 answers
asked by
Alli lovely
3,869 views
Electrical system are governed by Ohm's law, which states that V = IR, where V=voltate, I=current, and R=resistance. If the
4 answers
asked by
christine
6,903 views
An arrow, starting from rest, leaves the bow with a speed of 25.0 m/s. If the average force exerted on the arrow by the bow were
4 answers
asked by
Scarlet
3,690 views
The gravitational force exerted by the sun keeps planets in orbit. What would happen to the force that keeps Earth in orbit if
4 answers
asked by
Okay so-
1,826 views
Unit 3 Lesson 9 Conductors and Insulators Quiz:
When the air under the envelope is heated, the balloon lifts. Which of the
6 answers
asked by
Billie Elish
811 views
Starting from rest, an object rolls down a long ramp with a constant acceleration of 1.72 m/s2. After rolling for 4.75 s, what
4 answers
asked by
Emmanuel
1,914 views
A student designs a gravity experiment. She will time how long it takes different objects to fall from her school’s roof to
9 answers
asked by
UNICode
905 views
A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius is 250 m and the bathroom
4 answers
asked by
Jo
2,715 views
The widths of the lines produced by monochromatic light falling on a diffraction grating can be reduced by:?
The correct answer
4 answers
asked by
S
824 views
How is gravitational lensing related to dark matter?
ty !
7 answers
asked by
saturnity
2,940 views
Red tape can be used to repair a broken taillight on a car. In one or two sentences, explain how different colors of light are
3 answers
asked by
☘️Lucky Ducky🦆
530 views
A bowler throws a ball down the lane toward the pins. The ball reaches the pins and slowly moves through them, knocking down the
4 answers
asked by
Ieasha30
1,018 views
What happens to light as it passes through a blue sports drink?(1 point)
7 answers
asked by
who dat
1,087 views
Suppose that you balance a 5 kg ball on the tip of your finger that has an area of 1 cm2. What is the pressure
on your finger?
5 answers
asked by
Anonymous
10,858 views
A single vertical slit of width 24000 nm is located 2.10 m from a screen. The intensity pattern below is observed. The distances
6 answers
asked by
Kid
1,997 views
How do simple machines make work easier?(1 point)
1.They decrease the distance needed between a person and an object, allowing
6 answers
asked by
wha
1,331 views
1. Scientists seek to acquire knowledge and understanding of the real world through the formulation, testing, and evaluation of
4 answers
asked by
Idk name here
1,523 views
If the bike wheel is rolled along the ground 10 inches, through what angle does the wheel rotate?
5 answers
asked by
hannah
1,056 views
explain in your own word why is it acceptable to take displacements of the trolleys x1 and x2 as a measure of the velocities of
4 answers
asked by
ali
1,021 views
an arrow is fired directly horizontal off a cliff that is 10.0 meters tall with a velocity of 65.5 m/san arrow is fired directly
6 answers
asked by
catherine
3,196 views
Hello, I am solving the matter and energy unit test, can someone help me please?
7 answers
asked by
Ireland Bloch
1,324 views
9. A block attached to a spring of negligible mass undergoes simple harmonic motion on a frictionless horizontal surface. The
4 answers
asked by
gomez
2,023 views
Which statement best describes the reflection of a wave
5 answers
asked by
Amy
293 views
given that the energy E,varies directly as the resistance R,as the square of the distance D, obtain an equation connecting E,R
5 answers
asked by
Ayomide
1,173 views
The sonar of a stationary ship sends a signal with a frequency of 5.0x103-Hz through water. If the signals speed is 1.5x103-m/s
4 answers
asked by
Tiara
2,283 views
A bus travels 280 km south along a straight path with an average velocity of 88 km/h to the south. The bus stops for 24 min.
7 answers
asked by
Jasmine
14,593 views
Which of the following statements correctly describes the changes that occur in a sound wave, as it passes from cool air into
9 answers
asked by
Kiki
5,054 views
A child is standing on a platform of a station.
A train travelling at 30m/s takes 3.0 secs to pass the child.What is the length
7 answers
asked by
sarah
8,972 views
A spiral spring is compressed by 0.03m. Calculate the energy stored in the spring if its force constant is 300N/ m
11 answers
asked by
Tauda
5,602 views
A ball of mass m 5
1.80 kg is released from rest at a height h 5 65.0 cm above a light vertical spring of force constant k as in
6 answers
asked by
ky
13,319 views
A woman on a bridge 75.0m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an
4 answers
asked by
Bob
9,822 views
Tension is maintained in a string. The observed wave speed is 21 m/s when the suspended mass is 3.0 kg.
a) What is the mass per
5 answers
asked by
andrew
5,254 views
A 4.0 kg object is lifted 1.5 m. (a) how much work is done against the earth's gravity ? (b) repeat if the object is lowered
7 answers
asked by
jack
7,649 views
A ball mass 1000g is drop from a height Of 5m and rebounded to a height Of 25 m. Find i it kintentic just before impact ii its
9 answers
asked by
Anonymous
3,289 views
A solid aluminum ingot weighs 89 N in air. What is its volume? The ingot is suspended from a rope and totally immersed in water.
4 answers
asked by
Anonymous
6,366 views
In one or two sentences, describe a scenario using the combined gas law in which changes occur in the pressure and temperature
5 answers
asked by
no
2,943 views
a 1.4 kg block slides across a rough surface such that it slows down with an acceleration of 1.25 m/s2. What is the coefficient
5 answers
asked by
ellimac
5,331 views
A small block on a frictionless horizontal surface has a mass of 2.50×10−2 Kg. It is attached to a massless cord passing
6 answers
asked by
Sarah
8,175 views
You stand at the bottom of an 8.0-m-long ramp that is inclined at 37∘ above the horizontal. You grab packages off a conveyor
6 answers
asked by
Kallian
2,420 views
a 300kg piano is being lifted at a steady speed from ground level straight up to an apartment 10.0m above ground. The crane that
6 answers
asked by
Delli
6,857 views
A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity
19 answers
asked by
izzy
5,560 views
Which material provides resistance to the flow of electrons?
A. Silver B. Saltwater C. Salt crystals D. Copper A circuit has a
7 answers
asked by
Connections Academy
2,669 views
The voltage,V, in an electrical unit is related to the current,I, and the resistance,R, by the equation V=IR. The current is
5 answers
asked by
Luis
4,941 views
A student holds one end of a string in a fixed position. A ball of mass .2 kg attached to the other end of the string moves in a
5 answers
asked by
me
9,724 views
If the pendulum’s length is 2.00 m and ag =9.80 m/s , how many complete oscillations does the pendulum make in 5.00 min?
the
4 answers
asked by
Anonymous
5,412 views
Some students want to calculate the work done by friction as an object with unknown mass moves along a straight line on a rough
4 answers
asked by
Anonymous
13,081 views
A train is moving parallel to a highway with a constant speed of 16.0 m/s. A car is traveling in the same direction as the train
5 answers
asked by
Anonymous
6,373 views
A 6volt battery of internal resistance 0.5ohm is connected to three resistors of value, 3ohm, 4ohm, and 5ohm. Calculate the
12 answers
asked by
istifanus
3,463 views
A small sphere X of mass M is placed a distance d from a point mass. The gravitational force on the sphere X is 90 N. Sphere X
5 answers
asked by
Nate
4,093 views
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