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Physics
Page 6
Questions (147,575)
The headlamp of a car takes a current of 0.4A from a 12V supply. The energy produced in 5Minute is ?
18 answers
asked by
Oywumi yemi
5,445 views
a crate weighing 562 newtons is resting on an inclined plane 30 degress above the horizontal. Find the components of the weight
7 answers
asked by
amirah
6,148 views
How much heat is required to raise the temp of 854 g water from 23.5 to 85.0 celcius
I got this, is this right
6 answers
asked by
Deanna
4,819 views
A mass is oscillating with amplitude A at the end of a spring.
How far (in terms of A) is this mass from the equilibrium position
5 answers
asked by
Joe
4,952 views
State gauss's theorem draw a graph showing the variation of electric field, as one moves from the centre of charge metal ball to
4 answers
asked by
shaista
1,979 views
In one or two sentences, describe a scenario using the combined gas law in which changes occur in pressure and temperature of an
3 answers
asked anonymously
188 views
Why is glass a good insulator?(1 point)
Responses The atoms in glass hold on tightly to their negatively charged particles. The
1 answer
asked by
baby weiner
70 views
A student kicks a 2 kg soccer ball with a force of 50 N. Calculate the acceleration of the soccer ball. Please show your work.(2
1 answer
asked anonymously
89 views
The weight of a body varies inversely as the square of its distance from the center of the earth. If the radius of the earth is
6 answers
asked by
MJ
8,573 views
Calculate q when 22.0 g of water is heated from 25.0°C to 100.0°C.
4 answers
asked by
Someone
9,157 views
When would a transformation of chemical energy to electrical energy occur?
5 answers
asked by
stackz
2,531 views
In one or two sentences, make and justify a claim about the frequency of a wave if the wavelength increases and the velocity
12 answers
asked by
simpforlevi
4,267 views
Use this sentence: On a summer day, the heat of the land heats the air, causing it to rise and spread before cooling over the
11 answers
asked by
Jaylen B
1,848 views
Why might a plastic rod that contains a large number of electrons not have a static charge?
6 answers
asked by
rebecca
4,120 views
a uniform disk of moment of inertia 75kgm^2 and radius of gyration 3m rotates with an angular velocity of 2rad/s. determine d :
m
5 answers
asked by
samson
2,155 views
The Li2+ ion is hydrogenic and has a Lyman series at 740747 cm-1, 877924 cm-1, 925933 cm-1,and beyond. Show that the energy
5 answers
asked by
John
3,059 views
A solid has a mass of 200g in air and when partly immersed in a certain liquid it has a mass of 160g. Given that the relative
4 answers
asked by
Jeremiah Tetteh
1,934 views
Find the resultant of two vectors of 3 units and 4 units acting at a point 0 at an angle of 45 degrees with each other
14 answers
asked by
Yemi
4,244 views
Four resistors of resistance 1ohm,2ohms,3ohms,5 ohms are connected in series and afterwards in parallel. Calculate the combined
16 answers
asked by
Princess
5,979 views
A box weighing 100 newtons is pushed up an inclined plane that is 5 meters long. It takes a force of 75 newtons to push it to
7 answers
asked by
chris
6,397 views
An orange rolls across a table with a speed of 0.5 m/s and falls off the edge. If it lands 3 m from the edge of the table, from
6 answers
asked by
Jin
8,328 views
State the physical quantities one has to measure in order to determine the young's modulus of a wire?
7 answers
asked by
Ashwariyya
3,109 views
A 1.00-kg duck is flying overhead at 1.50 m/s when a hunter fires straight up. The 0.010 0-kg bullet is moving 100 m/s when it
4 answers
asked by
jillian
5,249 views
Two point charges that have charge values of 4.0 X 10^-6 C and -8.0 X 10^-6 C, respectively, are separated by 2.4 X 10^-2 m.
4 answers
asked by
Anonymous
4,676 views
a 100g sample of wate at 90oC is added to a 500g sample of water at 10oC. what is the final temperature of the water
4 answers
asked by
julius
3,022 views
A car traveling 16.0m/s crashes into concrete embankment and stops in 0.08s. Calculate:
the initial speed in mi/hr the average
4 answers
asked by
MARIE
816 views
Dark matter_____ absorb light,______ emit radiation, and_____ been observed directly.
3 answers
asked anonymously
235 views
A diagram shows how gravity on Earth works on an object located in different spots in a seaside community. Where is gravity
1 answer
asked by
lover
33 views
A sailboat heads north at 3 m/s for 1 hour and then tracks back to the southeast (at 45 degrees to north) at 2 m/s for 45
5 answers
asked by
Walter
4,230 views
A brother and sister are standing next to each other at rest on a surface of frictionless ice. The brother’s mass is exactly
4 answers
asked by
katie
6,366 views
Why do scientists observe blueshift in certain stars?(1 point)
Stars with higher temperatures emit more light waves at the blue
5 answers
asked by
amos goresatann
2,430 views
How does the average kinetic energy of the molecules of water compares to the molecules of petrol
3 answers
asked by
Montshisi
119 views
the distance from the sun to earth is about 1.5x10^11 meters. suppose light travels at a speed of 3x10^8 meters per second.
7 answers
asked by
shirly
9,708 views
Which describes nuclear fission?(1 point)
<)>starts when two atoms slam together to form one, heavier atom <)>starts when a
15 answers
asked by
Anonymous
4,224 views
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the
7 answers
asked by
Anonymous
2,956 views
a)How much work is required to lift a 35-kg object from the ground 3.0 m into the air?
b) How much gravitational potential energy
19 answers
asked by
Annie
5,015 views
How is an echo formed?
A.) Sound waves travel into a soft surface. B.) Light waves go around a smooth surface. C.) Sound waves
5 answers
asked by
goodog
327 views
An ideal massless spring is fixed to the wall at one end. A block of mass M attached to the other end of the spring oscillates
4 answers
asked by
Tammy
13,976 views
a projectile with a muzzle velocity of 550 m/s is fired from the a gun on top of a cliff 460 m above the sea level at a certain
5 answers
asked by
jennierson
9,441 views
What is the surface tension of water at 23 degrees Celsius?
5 answers
asked by
Jane
2,481 views
Suppose that, on a day when the outside temperature is 15 degrees Celsius, we fill a balloon with pure nitrogen gas, of which
10 answers
asked by
Nick
5,270 views
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier
4 answers
asked by
Brookeneed
6,934 views
A spring is stretched 40mm by force 15N, what is the work done by the force
9 answers
asked by
Issa
5,360 views
Two strings of tree lights, each with a resistance of 200 Ω, are connected together in series. What is their combined
5 answers
asked by
alaweed
2,122 views
An average hot water tank will hold 300.0 L of water needs to be kept at 65.0C in order to kill any bacteria in the water. If
5 answers
asked by
Ronnie
1,796 views
Charges of +2.0, +3.0 and -8.0µC are placed at the vertices of an equilateral triangle of a side 10 cm. Calculate the magnitude
5 answers
asked by
VHCP
3,646 views
forty 2.0 kg blocks 20.0 cm thick are used to make a retaining wall in a backyard. Each row of the wall will contain 10 blocks.
4 answers
asked by
AlphaPrimes
3,673 views
Estimate the total binding energy for copper.
550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into
4 answers
asked by
Leila
1,862 views
Compared to wave A, wave B has a _____.
(1 point) Responses longer wavelength and greater frequency longer wavelength and greater
2 answers
asked by
your boy
54 views
Use the table of electric force between objects in two different interactions to answer the question.
Interaction Charge on
1 answer
asked anonymously
43 views
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