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Physics
Page 7
Questions (147,187)
A water heater has a diameter of 18 inches. It sits in a drain pan that has a diameter of 22 inches and a height of 2 inches, as
5 answers
asked by
Tanya
3,102 views
Why does air in a room rise when it gains thermal energy from a heater? (1 point)
Responses Its molecules move around more
4 answers
asked by
kali
547 views
Why might a plastic rod that contains a large number of electrons not have a static charge?
6 answers
asked by
rebecca
4,106 views
The temperture of a mixture decrease at the rate of 1degree per 30 mins the twmperature of mixture at 3oclock was 5degree
At what
5 answers
asked by
ibanrihun
2,293 views
a ball that was projected up at an angle of θ degrees with the horizontal has a flight time of 5.0s and covers a range of 49.0
4 answers
asked by
john
4,442 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
323 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
4,239 views
At which point or points is the electric field zero in figure?
I can not post the picture, but this is what it looks like: 1 2 3
6 answers
asked by
Brittany
8,436 views
Some say that the hot air balloons with which the Montgolfier brothers performed their first flight had a volume of 1700 cubic
5 answers
asked by
Nick
4,782 views
A string is wrapped around a uniform solid cylinder of radius r. The cylinder can rotate freely about its axis. The loose end of
5 answers
asked by
Gabe
20,451 views
The moon's diameter is 3.48 106 m, and its mean distance from the earth is 3.85 108 m. The moon is being photographed by a
4 answers
asked by
Anonymous
4,588 views
A cylindrical oil storage tank 12 feet in diameter and 17feet long is lying on its side. Suppose the tank is half full of oil
6 answers
asked by
Mishaka
5,143 views
If a force of 100n stretches a spring by 0.1cm. Find
(A) the elastic constant (B) the work done in stretching the spring 0.3cm if
5 answers
asked by
Gabriel
1,620 views
A 100g sample of water at 90 degrees celsius is added to a 100g sample of water at 10 degrees celsius.
The final temperature of
5 answers
asked by
Shellby
6,174 views
The speed of the bullet (m = 50g) and the speed of an electron ( m = 9.1 * 10-28g) are
measured to be the same, namely 300 m/s,
5 answers
asked by
priyanka
3,176 views
Electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second. Show that the
5 answers
asked by
Sierra
4,551 views
A 3.00 - µF and a 4.00 - µF capacitor are connected in series, and this combination is connected in parallel with a 2.00 - µF
5 answers
asked by
Nade
5,221 views
if the thermal energy of a metal with specific heat capacity of 40joule\kgk is 15j find the thermal energy of another metal with
5 answers
asked by
khadijat sanusi Ahmad
931 views
Two reasons why displacement method is not suitable when determining the volume of a charcoal?
5 answers
asked by
Michael
2,816 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
1,855 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
1,972 views
Abox of mass 60kg starts from the rest at height h and slides down a rough slope of length 10m, which makes an angle of 25
4 answers
asked by
Sphelele
2,867 views
A negative charge of 3 x 10-4 C experiences a force of 0.12N when in an electric field. What is the magnitude of the field
2 answers
asked by
ok
165 views
Which provides evidence of universe expansion that supports the Big Bang Theory? Select the three correct answers.
The universe
3 answers
asked by
Pls help
106 views
Given DIAGRAM 1.1 where FT means Tension and W means Weight, calculate the tension on the steel cable given the following
1 answer
asked anonymously
116 views
A spring balance attched to the ceiling of an elevator supports a 10N object. In each of the following casses, tell whether
3 answers
asked by
Klari
1,010 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
1 answer
asked by
Jsussu
83 views
Use the table of electric force between objects in two different interactions to answer the question.
Interaction Charge on
1 answer
asked anonymously
39 views
What is the magnitude of a force?(1 point)
A the type of force B the amount of force C the direction of the force D the motion of
34 answers
asked by
help me
22,347 views
a 25ohm resistor connected in series with a coil of 500ohm resistance and 150mH inductance. What is the power factor of the
5 answers
asked by
student
6,267 views
What's the scientific term for a wire that gets longer due to heat?
5 answers
asked by
Botshelo
660 views
You are unable to lift an object. which property makes the object difficult to lift
A mass b density c volume d weight
22 answers
asked by
Alexis
9,900 views
1. The current flowing through an electric circuit is the derivative of the charge as a function of time. If the charge q is
7 answers
asked by
girly girl
2,598 views
An object has an excess of 50 electrons, What is the charge on the object
4 answers
asked by
Karabo
2,109 views
An FM radio station transmits radio signals that have a wavelength of 3.2m. Where would you have to adjust your tuner in order
6 answers
asked by
Kayla
4,676 views
Which is the main fuel for nuclear fusion in all stars?(1 point)
hydrogen** carbon helium nitrogen
7 answers
asked by
an axolotl <3
2,659 views
What happened at point C to end with D?
a The surrounding air transferred thermal energy to A and B to equalize both in D. Air is
4 answers
asked by
A
340 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
9,702 views
A ship is sailing due east at 18 knots runs into a 3 knot current moving 40 East of North.
The resultant speed an direction of
5 answers
asked by
k
2,754 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
4,211 views
During halftime of a footballgame, a sling shot launches T-shirts at the crowd. A T-shirt is launched from a height of
5 answers
asked by
S
7,402 views
Particle P moves in a straight line such that, t seconds after passing through a fixed point O its velocity V m/s given by the
4 answers
asked by
me
1,357 views
The handle of a car jack is moved 75 cm
and the car is lifted 2.5 cm. What is the ideal mechanical advantage of this car jack?
5 answers
asked by
Brittany
1,839 views
a small rock with mass 0.20 kg is released from rest at point A which is at the top edge of a large, hemispherical bowl with
5 answers
asked by
Frankie
19,104 views
An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic
7 answers
asked by
Nicole
16,814 views
An 8.00kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0 degrees below the horizontal. The
5 answers
asked by
Amisha
11,105 views
A body of mass is 5kg moving with a velocity of 20m due south hits a stationary body of mass is 3kg if they move together after
5 answers
asked by
Amara
3,635 views
A simple wheel and axle is used to lift a bucket of water from a well the radii of the wheel and axle are 20cm and 4cm
5 answers
asked by
Rodas
3,146 views
A stone is dropped from the deck of the bridge. The sound of the splash reaches the deck 3 seconds later. If sound travels at
5 answers
asked by
Anonymous
5,430 views
You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. Determine
5 answers
asked by
Dominique
9,387 views
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