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Physics
Page 41
Questions (147,494)
When a mass of 21 g is attached to a certain
spring, it makes 16 complete vibrations in 4.4 s. What is the spring constant of the
3 answers
asked by
Joanne
1,958 views
A simple pendulum of length is oscillating through a small angle θ in a medium for which
the resistance is proportional to the
5 answers
asked by
shasha
1,622 views
Assuming 100% of your energy can be converted to electrical power, and electricity costs $0.10 for 1 kilowatt-hour, how high
4 answers
asked by
Amber
2,653 views
calculate the amount of heat released when 50g of water at 100degrees hits the skin, condenses, cools the body to 37 degrees
4 answers
asked by
christian
1,726 views
if a piece of aluminum with mass 3.99g and a temperature of 100C are dropped into 10cm^3 of water at 21C, what will be the final
3 answers
asked by
garrick
1,814 views
a gas volume has of v1=450ml. if the temp is held constant, what volume would gas occupy if the pressure p2=2p1?
omg i cant
4 answers
asked by
amie
874 views
An electron is accelerated by a 5.2kv potential difference. How strong a magnetic field must be experienced by the electron if
5 answers
asked by
Giwa
1,133 views
1) Find the final velocity of the two balls if the ball with velocity
v2i = −21.0 cm/s has a mass equal to half that of the
4 answers
asked by
Tayler Jones
1,597 views
You are given two unknown point charges, Q1 and Q2. At a point on the line joining them, one-third of the way from Q1 to Q2 the
4 answers
asked by
Anonymous
4,028 views
A(n) 840-kg dragster accelerates on a race track from rest to 85 km/h in 0.90 seconds.
(a) What is the change in momentum of the
4 answers
asked by
Mara
1,752 views
Calculate the power generated by a
Man of weight 500N if he runs up a flight of stairs,8.5m high in 5s
2 answers
asked by
Isaac
110 views
figure: session.masteringengineering.com/problemAsset/2086521/4/Hibbeler14.ch4.p33.jpg
The pipe assembly is subjected to the
1 answer
asked by
mm
280 views
a diagram shows how gravity on earth works on an object located in different spots in a seaside community where is gravity
3 answers
asked anonymously
76 views
A 950-kg car is initially travelling at 60 km/hr. If the speed increases so that its kinetic energy increases by 165 kJ,
2 answers
asked by
baz
616 views
When you know both the speed and direction of an object's motion, you know the ___________ of the object. *
1 point A.
7 answers
asked by
reb
6,393 views
What is the difference between the number of cycles in the first and the second wave, given that both waves travel an equal
3 answers
asked by
mustache
5,736 views
What action could be taken to prevent an object from rotating?
2 answers
asked by
STAN ATEEZ
4,288 views
Kinetic and potential energy quick check
3 answers
asked anonymously
140 views
What is kinetic energy?(1 point)
Responses thermal energy thermal energy stored energy stored energy the energy of radiation the
3 answers
asked by
Until i left the party the other night
222 views
Heisenberg's Uncertainty Principle states that an electron spends ______ of its time inside an atomic orbital.
Question 19
3 answers
asked anonymously
52 views
What is kinetic energy?(1 point)
Responses the energy of motion the energy of motion stored energy stored energy thermal energy
5 answers
asked anonymously
159 views
A forklift lifts a 900-Newton load 5 meters high. It then carries this load to a horizontal distance of 20 meters. Determine the
3 answers
asked anonymously
235 views
Two identical objects have charges from +6.0*10^-6 and -2.0*10^-6, respectively. When placed a distance d apart, their force of
3 answers
asked by
Anonymous
689 views
The rotor is an amusement park ride where people stand against the inside of a cylinder. Once the cylinder is spinning fast
4 answers
asked by
JP
1,866 views
You are at the top of the Empire State Building on the 102nd floor, which is located 373 m above the ground, when your favorite
4 answers
asked by
Anon.
3,229 views
A 2.0 kg breadbox on a frictionless incline of angle is connected, by a cord that runs over a pulley, to a light spring of
3 answers
asked by
gia
2,278 views
A 0.400 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with
4 answers
asked by
Haley
960 views
14. Which of the following wavelengths will produce standing waves on a string that is 3.5 m long?
a. 1.75 m b. 3.5 m c. 5.0 m d.
3 answers
asked by
Sean
2,733 views
A golf ball of mass 50.0 grams is at rest on a tee. It is struck by a golf club with an average force of 850 Newtons. The ball
3 answers
asked by
Anonymous
1,536 views
What is the equation for finding the gravitational force of an object
1 answer
asked anonymously
100 views
A nickel and a sheet of paper, which have approximately the same mass, are dropped at the same time from the same height. The
1 answer
asked by
hello fart
55 views
A series RL circuit contains two resistors and two inductors. The resistors are 33 W and 47 W. The inductors have inductive
3 answers
asked by
brett
1,411 views
A tuning fork produces a sound of musical note middle C. It moves back and forth 256 time each second. what is the frequency of
2 answers
asked by
Anonymous
1,182 views
A skydiver jumps out of a plane and begins to accelerate. His speed increases to 20 m/s, then 30 m/s. His acceleration slows
1 answer
asked anonymously
75 views
A girl of mass 50kg runs up a flight of stairs.After 10 minutes she is 250 metres above the ground. Determine her average power
3 answers
asked by
Bafana
1,023 views
A 5.0 ohm resistor, a 15.0 ohm resistor and a unmarked resistor are connected as shown with a 15 volt source. The ammeter reads
1 answer
asked by
Khadijah
1,026 views
A 50 kg sign is hanging from the ceiling .calculate the tension in the ropes?30 degree and 20 degree
4 answers
asked by
mulaudzivhonani
968 views
A brick of mass 2kg just begins to slide down an inclined plane at an angle of 45 degree with horizontal.what will be the force
2 answers
asked by
Anonymous
954 views
After a boulder is pushed down a hill, its speed s(t) at time t is given by the formula s(t)=v+at, where v is the initial
2 answers
asked by
Help Please!
916 views
How much heat is necessary to change 345 g of ice at -11°C to water at 20°C
1 answer
asked by
kim
885 views
A glass bottle full of mercury has a mass of 50g. On being heated through 35 degree Celsius, 2.43g of mercury are expelled.
4 answers
asked by
ifeanyi
821 views
Monica stepped outside and began to think how fast she is moving even when she is standing still.
Assume that the earth is a
2 answers
asked by
Anonymous
704 views
A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the
4 answers
asked by
Anonymous
656 views
Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what
2 answers
asked by
Hannah
545 views
A uniform metre rule is balanced at the 35cm mark when a mass of 500g is placed at the 20cm mark .determine the mass of the rule
2 answers
asked by
Mariam
520 views
It is found that a uniform metre rule of mass 50g can be balanced on a knife-edge when a mass of 20g is hung 20cm from one end
1 answer
asked by
Anonymous
509 views
An 18 kg mass is placed st one end of a steel bar that is 1 m long. A 35 kg mass is placed at the other end. Where should the
2 answers
asked by
Stacey
475 views
Which type of wave is most affected by gravity from the Sun and the moon?
1. Electromagnetic 2. Water 3. Seismic 4. Sound
1 answer
asked by
aaa
125 views
Suppose you are provided with 500 dice.calculate the number of throws that is equivalent to one half life and the decay constant
1 answer
asked by
nikkle
446 views
A box is against a wall. A person pushes on the box, but the box does not move. Is this situation an example of a force?(1
1 answer
asked by
Matt
57 views
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