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Physics
Page 45
Questions (146,368)
A ball is thrown into the air with an initial upward velocity of 48 ft/s. Its height (h) in feet after t seconds is given by the
1 answer
asked by
909
99 views
Which analogy best describes voltage?(1 point)
Responses diameter of a pipe through which water move length of the pipe through
4 answers
asked by
analogy
221 views
Which falling object has the least kinetic energy when it collides on the ground?
a 120 Kg of water falling at 12 m/s b 12 Kg of
3 answers
asked by
social studies
137 views
Quick check on modeling waves
6 answers
asked by
Susan smith
794 views
What is the conclusion about the potential difference(voltmeter readings) in a parallel electric circuit
6 answers
asked by
Lesedi
4,033 views
A 6 kg. piece of metal displaces 1 liter of water when submerged. What is its density?
The volume of the water dispaced was
4 answers
asked by
Jarrad Schomaker
4,633 views
Use the image to complete the statement.
Compared to wave A, wave B has a _____. (1 point) Responses longer wavelength and
1 answer
asked by
Bazol
503 views
Matter and Temperature Quick Check
What is the best description of thermal energy?
7 answers
asked by
no name
620 views
Which situation best demonstrates the law of conservation of energy?
a the potential energy of a ball being dropped from a cliff
3 answers
asked by
A
180 views
If the value of F is positive, this tells us that the two objects are:
a this doesn't give us any information about the objects b
4 answers
asked by
A
210 views
Which unit is used to measure force?(1 point)
A. watt B. joule C. newton D. kilogram
4 answers
asked by
wiggle
1,316 views
Which is one difference between visible and non-visible light?(1 point)
Responses Visible light can be seen by the unaided human
7 answers
asked anonymously
306 views
Energy and Forces Unit Test
Question --- Answer In models of magnetic and electric fields, why are field vectors depicted by
5 answers
asked by
korinthia
350 views
A ball of iron with a mass of 252 g was heated using 2263 J of energy. The initial temperature was 547 deg * C What was the
1 answer
asked by
I.D.C.I.I.C.I.S.S.I.N.T.D.W.H.T.B.D.
134 views
In which situation is the magnitude of the total force greater than the magnitude of each of the individual forces? (1 point)
O
5 answers
asked by
Idb
605 views
If a 35 kg zombie runs at a speed of 3.0 m/s. What is the zombie's kinetic energy?
a 53 J b 158 J c 105 J d 315 J
3 answers
asked by
no name
170 views
Mrs. Wilson is driving her car to the store. She drives on a street where the speed limit is 50 mph. Then she turns onto a
4 answers
asked by
no name
305 views
An Olympic bodybuilder lifts a 1325 kg weight a vertical distance of 2.5 m off the ground. What potential energy do the weights
3 answers
asked by
no name
154 views
the work function for metallic Caesium is 2.14 eV. Calculate the kinetic energy and the speed of the electrons ejected by light
4 answers
asked by
Anonymous
1,298 views
A roller coaster heads into a circular loop with radius 5m. At what minimum speed must the coaster go at the top of the loop to
5 answers
asked by
anonymous
1,706 views
a bomb is dropped drom an airplane at an altitude of 14,400 feet how long would it take to reach the ground? (because the motion
4 answers
asked by
Nancy
1,577 views
A single wave pulse is sent along a thick rope that's tied to a thin rope, which in turn is attached to a wall. Reflection of
4 answers
asked by
Kayla
2,696 views
A 500 g block lies on a horizontal tabletop. The coefficient of kinetic friction between the block and the surface is 0.25. The
5 answers
asked by
Lissa.
5,363 views
A rock is thrown upward with a velocity of 18 meters per second from the top of a 27 meter high cliff , and it misses the cliff
5 answers
asked by
Briana
1,269 views
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299K. If I raise the temperature to 350K
5 answers
asked by
sam
5,647 views
A police officer in a patrol car parked in a 70 Km/h speed zone observes a passing automobile might be intoxicated,the officer
4 answers
asked by
benjamin
4,531 views
i think its B.
Adding a _____________ to an electric circuit would increase the magnetic field around a wire. A. insulator B.
10 answers
asked by
matt
3,471 views
what happens when a bowl of ice cream is left uneaten on a counter in a warm room
A. heat is transferred from the air to the ice
4 answers
asked anonymously
427 views
A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact
4 answers
asked by
Rachel
3,430 views
A car starting at 12:00 noon travels west at a speed of 30 kph. Another car starting from the same point at 2:00 PM travels
3 answers
asked by
@jayr
1,711 views
In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of
2 answers
asked by
BJ
521 views
A sheet of paper 40mm wide and (1.5 x 10^-2) thick is placed between a metal foil of the same width is used to make a 2.0 UF
5 answers
asked by
benjamin
2,024 views
A spherical metal dome of radius 15 cm is electrically charged. It has a positive charge of +2.5 μC distributed uniformly on
4 answers
asked by
Ink
1,641 views
A car leaves an intersection after a light turns green. It starts from rest and reaches a speed of 13.4 m/s in 5.0 s. The radius
4 answers
asked by
clara
2,316 views
A 1200 kg car rounds a curve of radius 70m with a banking of 12°. The car is traveling 90 km/h, will a frictional force be
4 answers
asked by
Yinka
4,820 views
A learner asked the following question: What happens to the current in a circuit if the resistors are connected in parallel? she
2 answers
asked by
hope
813 views
a hockey stick has a mechanical advantage of 4. if the effort arm(which is the distance between the fulcrum and your pushing
4 answers
asked by
-haya-
1,175 views
A pendulum swings uniformly back and forth, taking 2 seconds to move from the position directly above point A to the position
6 answers
asked by
Christa
2,259 views
A plane has a speed of 250mph and flies with a bearing of N35degE. The wind is blowing from the west at 25 mph with a heading of
4 answers
asked by
Nancy
1,942 views
Which statement best describes the refraction of light as it moves from air to glass? (1 point) Light undergoes diffraction due
4 answers
asked by
anonymous
1,115 views
Use the table to answer the question.
Wave λ (m) vw (m/s) L 120 600 M 150 600 N 100 600 O 50 600 The table shows information
4 answers
asked by
alan
740 views
A student wanted to test how the mass of a paper airplane affects the distance the paper airplane will fly. Paper clips were
4 answers
asked by
Lka
1,066 views
An empty relative density bottle weighs 25g.it weighs 65g when filled with a liquid and 75g when with water.caculate the density
9 answers
asked by
Samuel
5,292 views
A transverse wave has an amplitude of 5 cm, a frequency of 60 Hz and a distance from crest to next trough of 15 cm. Identify the
5 answers
asked by
ben
1,720 views
Which One Is The Right Answer? A Coulomb Is A Measure Of _____ Whereas An Ampere Is A Measure Of _____ ?
I think the answers is A
5 answers
asked by
Jenny
2,190 views
If the coefficient of sliding friction for steel on ice is 0.05, what force is required to keep a man weighing 150 lbs moving at
5 answers
asked by
Angel
3,573 views
p=14.63⋅0.8
Atmospheric pressure, measured in pounds per square inch p, s, i is the force exerted by Earth's atmosphere over a
6 answers
asked by
ryn
4,202 views
Ms. Sue please help!
A radio signal travels at 3.00 • 10^8 meters per second. How many seconds will it take for a radio signal
114 answers
asked by
Austin
19,658 views
A coconut of mass 2kg is on a tree of 5m tall; determine the potential energy of this height Take g=10ms^-2.
7 answers
asked by
Elvis
2,333 views
Use the table to answer the question.
Student Wavelength Frequency Darius increase increase Kathryn increase remain the same Anya
4 answers
asked by
abfrmk3
734 views
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