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Physics
Page 12
Questions (147,044)
A student trying to calculate the parameters of a satellite orbit obtained a quantity Q which is related with the orbital radius
4 answers
asked by
Favour
374 views
The current peak wavelength of the CMB corresponds to a blackbody of temperature 2.74K. What was the peak wavelength of the CMB
5 answers
asked by
qwerty
2,579 views
Explain how the emission lines in the spectrum of a gas are evidence for discrete energy levels within atoms.
Thank you 🙏
4 answers
asked by
Laurel
1,821 views
ne kilogram of ice of density 1000 kg m–3 is frozen in the shape of a cube. The diameter of a water molecule is 10–10 m.
5 answers
asked by
supercute
2,867 views
The tine of a tuning fork, when struck, has an amplitude of 0.13 cm. If the frequency of the fork is 200 Hz, what total distance
5 answers
asked by
HanuPhys26/11
3,759 views
Two spheres are attached to two identical springs and
separated by 8.0 cm, as in Figure 14. When a charge of 2.5 106 C is placed
5 answers
asked by
Harsh
2,122 views
An FM radio station broadcasts its signal at a frequency of 9.15 ×107 hertz. Determine the wavelength of the signal in air.
5 answers
asked by
ashley --
2,774 views
A ball of mass 500g is kicked into the air at angle of 45degree. It reaches a height of 12m. What was it's initial velocity?
7 answers
asked by
Sam
3,303 views
A packing crate of weight 50N is placed on a plane inclined at 35°from the horizontal. If the coefficient of static friction
7 answers
asked by
Siyam
1,022 views
Briefly explain why the transitions associated with the Lyman series correspond to wavelengths in the ultraviolet region of the
4 answers
asked by
natash
3,163 views
a piano string has a length of 2m and a density of 8,000kg/m3. when the tension in the string produces a strain of 1%, the
5 answers
asked by
Prince
3,291 views
A bowling ball rolls without slipping up a ramp that slopes upward at an angle (beta) to the horizontal. Treat the ball as a
4 answers
asked by
Joe
7,642 views
A 25g ball slides down a smooth inclined plane. 0.850m high, that makes an angle of 35 degrees with the horizontal. The ball
5 answers
asked by
Lory
3,357 views
An iceberg has specific weight of 9000 N/m^3 in n ocean, which has a specific weight of 1000 N/m^3. Above the water surface, it
5 answers
asked by
Alex
3,082 views
Mathematical relationship between the change in momentum of an object and the net force applied to the object
4 answers
asked by
Reabetswe Bernice
227 views
a bullet of mass 20 grams is fired horizontally into suspended stationally Worden block of mass 380 grams with velocity of 200
7 answers
asked by
Manikumar shah
2,315 views
an ideal fluid flows through a pipe hat runs up an incline and gradually rises to a height H. The cross sectional area of the
4 answers
asked by
john
755 views
You are lying on the bottom of a swimming pool filled 15 ft deep with water (ftwater = 1.33). What is the diameter of the
4 answers
asked by
?
789 views
charges of +2uc,+3uc,and -8uc are placed at the vertices of an equilateral triangle of side 10cm.
calculate the magnitude of the
4 answers
asked by
poppy
2,691 views
Two pullies are connected by a belt, Pulley A has a radius of 3 cm and pulley B has a radius of 6cm. As Pulley A rotates, a drop
4 answers
asked by
Anonymous
1,681 views
A missile is released from a fighter plane traveling horizontally at an altitude of 10000 ft. if the target was hit at 2.09
4 answers
asked by
nano
1,543 views
Dynamics question please help i am stuck...!
A model helicopter of mass 5.0 kg rises with constant acceleration from rest to a
4 answers
asked by
Jinx007
1,661 views
An example of a conductor would be....
a glass cup b air c a copper wire d rubber covering on a wire
3 answers
asked by
redredered
185 views
1871133
Her teacher asks her to change the wave to show a greater energy transfer. What can the student do? a She can increase
3 answers
asked by
Anonymous ;)
250 views
When the temperature of 4 dm'3 of an ideal gas is increased from 200k to halved, calculate the final volume of the gas.
3 answers
asked by
Anonymous
527 views
calculate work done using machine to raise a load of 10kg through height of 2m and effenciency is 70%
3 answers
asked by
Dan
508 views
An optical filter passes only far red light with an average wavelength of 6500 Å. (1 Å = 10-10 m). Calculate
(a) the wavelength
3 answers
asked by
LEO
532 views
an elephant of mass 50kg stands with all four feet on the ground. each foot has an area of 0.2m^2calculate the pressure exerted
4 answers
asked by
daniel
689 views
A spherical shell of uniform charge density σ has a circular hole cut out of it.What is the Electric Field at a radius just
3 answers
asked by
manu
927 views
Which list correctly orders effort (E), fulcrum (F), and load (L) for each lever class?(1 point)
class 1 = F, E, L (or L, E, F)
4 answers
asked by
Cici
1,267 views
According to Kepler’s second law of motion, which statement describes the area swept out by a line between a planet and the
2 answers
asked by
bakubro
92 views
Check all the conditions to meet Pascal's principle.
The fluid must be incompressible. The fluid must be pure and homogenous. The
2 answers
asked anonymously
134 views
Use the image to answer the question.
An illustration shows three coiled wire springs stretched to varying lengths. The first
7 answers
asked by
:p
61 views
Which phrase describes gravitational attraction?(1 point)
Responses the amount of matter in an object the amount of matter in an
1 answer
asked by
Destinee
59 views
Sound travels through a guitar string at 600 m/s, making a sound wave in the air with a speed of 333 m/s. In 1–2 sentences,
1 answer
asked by
aaagtuygy
37 views
A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a
5 answers
asked by
Jessica
14,768 views
An aircraft flies at an altitude of 30,000 feet. Determine the air temperature (in [K]), air pressure (in [Pa]) and air density
6 answers
asked by
sam
4,237 views
the loudness L of a sound in decibels is given L=10log10R, where R is the sound's relative intensity. if the intensity of a
5 answers
asked by
math challenged
7,898 views
A cylindrical tank 2m diameter and 4m long with its axis horizontal, is half filled with water and half filled with oil of
4 answers
asked by
Claire
6,470 views
A skier wants to build a rope tow to pull herself up a ski hill that is inclined at 15 with the horizontal. Calculate the
5 answers
asked by
Albert
5,492 views
The temperature of earth atmosphere drops 5°C for every 1km elevation above the earth surface. If the air temperature at ground
5 answers
asked by
Eurt
8,176 views
A 0.230-kg wooden rod is 1.55 m long and pivots at one end. It is held horizontally and then released.
1) What is the angular
4 answers
asked by
anonymous
3,881 views
The quantity of heat required to raise the temperature of 500g of copper from 16oc +116oc assuming the specific heat capacity of
7 answers
asked by
Damilola
2,385 views
1. In a standing wave, the medium at the tip of a loop is
a) showing destructive interference b) not moving c) at the original
6 answers
asked by
Liz
2,843 views
Two pipes of equal length are each open at one end. Each has a fundamental frequency of 715 Hz at 300 K. In one pipe the air
4 answers
asked by
Tia
4,204 views
The sprockets and chain of a bicycle are shown in the figure. The pedal sprocket has a radius of 4 in., the wheel sprocket a
4 answers
asked by
monic
11,330 views
An inductive coil with a resistance R and Inductance L is connected in parallel with a 30ohm resistor. The combination is then
6 answers
asked by
Student
2,812 views
How far apart are an object and an image formed by a 75.0cm focal length converging lens if the
image is 2.5x larger than the
4 answers
asked by
Timson Wakrit
2,765 views
How long does it take to fully charge a 5µF capacitor in series witha 5 Mega Ohm resistor
5 answers
asked by
Matt, AGAIN
3,379 views
given that Earth's surface gravitaitional field strength has a magnitude of 9.80N/kg, determine the distance(as a multiple of
5 answers
asked by
Grace
1,692 views
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