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Physics
Page 6
Questions (151,751)
A ball of mass 0.2 kg strikes a force sensor and sticks to it. Just before impact the ball is travelling horizontally at a speed
7 answers
asked by
flirtyme
10,736 views
70-kg man jumps off a raft 2 meter squared moored in a freshwater lake. By how much does the raft rise?
5 answers
asked by
yin
4,887 views
Physics Question Please Help?
A wire, 20.0 m long, moves at 4.0 m/s perpendicularly through a magnetic field. An EMF of 40V is
7 answers
asked by
Crystal
3,712 views
In loading a lorry a man lifts boxes each of weight 100N throughta height of 1.5 m. a)how much work does he do in lifting 1 box
7 answers
asked by
Luc
4,080 views
A ball is thrown towards a vertical wall from a point 2m above the ground and 3m from the wall. the initial velocity of the ball
8 answers
asked by
ridhi
3,187 views
A spiral spring of natural length of 20.0cm has a scale pan hanging freely on its lower end. When an object of mass 40g is
4 answers
asked by
Grace
2,266 views
STATE HOOKES LAW. WHAT IS THE FORCE REQUIRED TO PRODUCE AN EXTENSION OF 1CM. IF AN EXTENSION OF 8.0CM CAN BE PRODUCED BY A LOAD
3 answers
asked by
AMINAT
289 views
An elastic string of length 20cm extends to 24cm when it supports a weight of 50N. Calculate the energy stored in the string.
5 answers
asked by
Shola
1,657 views
Wave Characteristics Quick Check
1 of 5 1 of 5 Items Question Which type of wave needs a medium to travel?(1 point) Responses
1 answer
asked anonymously
82 views
In one to two sentences, describe the relationship between harmonics and resonance frequency in a piano.(2 points)
1 answer
asked by
aaagtuygy
96 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
100 views
Physics B Semester Exam 30 of 3030 of 30 Items Question Identify which process of wave transfer is responsible for medical
1 answer
asked anonymously
50 views
According to Coulomb's Law, the amount of electric force depends on which two things?
a the size of the charge on each of the two
1 answer
asked by
e
67 views
find the change in electrical potential energy of an electron as it moves from a distance r1=1.0cm to r2=3.0cm from a point
1 answer
asked by
juliet
393 views
Find the density of an object which is 8500g and 5000cm^3
1 answer
asked by
Mike
122 views
At some point in the combustion cycle of an engine, the temperature of a combusted air-fuel mixture is 582 degrees Celsius.
6 answers
asked by
Nick
4,063 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
6,326 views
The relative density of a solid steel is 7.8 A. Find the mass of the solid steel cube of side 10cm. B. What volume of steel has
5 answers
asked by
Anonymous
661 views
The cannon on a pirate ships shoots cannon balls with a speed of 350 m/s (the muzzle velocity). The cannon can be adjusted to
7 answers
asked by
Tyger2020
3,024 views
How much heat is required to raise the temperature of 250.0 g of mercury 52ºC? The specific heat of mercury is 0.14 J/(gºC).
7 answers
asked by
Meg Hat
11,604 views
Just wanted to give out answers
For the kinetic and thermal energy quick check 1.What is kinetic energy? the energy of motion 2.
20 answers
asked by
Hail Hydra
12,513 views
A child holds a red ball why does the ball look red
7 answers
asked anonymously
2,980 views
A weight is attached to a spring that is oscillating up and down it takes 6 sec for the spring to complete one cycle and the
5 answers
asked by
Stan
6,519 views
the crest of wave A has an amplitude of 5 cm. the trough of wave B has an amplitude of 2 cm. if the crest of wave A combines
18 answers
asked by
Victoria
5,686 views
Use the table to answer the question
object A +1 B +2 C -1 D -2 Assuming other factors are held constant, which two objects will
5 answers
asked by
….
3,228 views
Which combination of charge and distance would lead to the strongest repulsive force ? a + 1 charge and a -1 charge at a
7 answers
asked by
Joe
140 views
when a ball falls vertically off a table it rebounds 75% of its height after each bounce. if it travels a total of 490 cm, how
4 answers
asked by
franc
4,686 views
A man mass 75 kg and a boy mass 25 kg dives off the end of a boat of mass 300 kg so that their relative horizontal velocity with
5 answers
asked by
sjeba
3,191 views
Study the scenario.
A beam of light hits a sheet of metal. If it has enough energy, electrons break free from the metal sheet.
7 answers
asked by
:)
3,103 views
Which option is the force with the greatest magnitude?
A: the force needed to lift a textbook B: the force needed to lift a
11 answers
asked by
:)
1,356 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
4,346 views
A driver traveling at 50mph is 80m from a wall ahead. If the driver applies the brake
immediately at a reaction time of 2 seconds
4 answers
asked by
Abdikafi
7,680 views
A machine has a velocity ratio of 6 and an efficiency of 75%. Calculate the effort needed to raise a load of 90N
7 answers
asked by
Mojeed
2,905 views
A 15.0 Ohms resistor is connected in series to a 120V generator and two 10.0 Ohms resistors that are connected in parallel to
4 answers
asked by
Rony
7,498 views
A child pulls a wagon by the handle along a flat sidewalk. She exerts a force of 80.0 N at an angle of 30.0 above the horizontal
5 answers
asked by
Rosie
4,553 views
the negative charge distribution over the surface of two isolated spheres is depicted in the diagram. one of the spheres is made
5 answers
asked by
maria
4,486 views
A rectangular of mass 10kg rest on an inclined plane with a coefficient of static friction of 0.55 and coefficient of kinetic
7 answers
asked by
elizabeth luhoya
2,833 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
5,499 views
Two masses are hung are connected by a light cord and hung from a frictionless pulley of negligible mad are shown. Mass
6 answers
asked by
Kam
8,084 views
A ball is thrown upward with a speed of 40 feet per second from the edge of a cliff 500 feet above the ground. What is the speed
4 answers
asked by
Alice
4,332 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
3,808 views
When a yellow light shines on a photosensitive metal, photoelectrons are emitted. As the intensity of the light is decreased,
4 answers
asked by
ashley --
2,752 views
a d'arsonval meter movement deflects to 0.8mA. what is the peak value of the alternating current if the instrument uses
4 answers
asked by
Anonymous
1,738 views
According to Newton’s third law of motion, which statement is always correct?(1 point)
3 answers
asked by
sebastian chapa
854 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
99 views
Which statement best describes how an electromagnetic motor works?
a. Electrons are moved through a current, creating a circuit.
1 answer
asked anonymously
45 views
2 cells, each of Emf 2v and internal resistance 0.5ohms are connected in series .they are made to supply current to a
1 answer
asked by
Comrade
183 views
A box of mass m = 6kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece,
6 answers
asked by
Shahab Mirza
4,520 views
A hole 3cm in diameter is to be punched out of a steel plate 8cm thick. The shear stress of the material is 670GPa. What load is
5 answers
asked by
Danny
5,255 views
two capacitor having capacitance of 10uf and 5uf are connected in series and this combination is connected in parallel with a
5 answers
asked by
brownson uwem okon
3,978 views
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