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Physics
Page 6
Questions (149,066)
An oil tank is 3m long, 3 m wide and 2 m high, when it is full of coconut oil specific gravity of 0.90, find the downward force
5 answers
asked by
mmmm
2,255 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
2,986 views
If 500 J of work are required to carry a charged particle between two points with a potential difference of 40V, the magnitude
6 answers
asked by
susane
17,614 views
A car starts from rest and travels for 5.0 s with a uniform acceleration of + 1.5 m/s2. The driver then applies the brakes,
5 answers
asked by
sebastian
12,841 views
A block slides from rest with negligible friction down a track, descending 5.0m to point P at the bottom. It then slides on the
5 answers
asked by
Anonymous
16,740 views
A wheel with rotational inertia I is mounted on a fixed, fricitonless axle. The angular speed w of the wheel is inccreased from
11 answers
asked by
Tammy
18,033 views
Does anyone the Modeling Fission Quick Check answers?
7 answers
asked by
Benjamin
2,646 views
A spring is stretched 40mm by force 15N, what is the work done by the force
9 answers
asked by
Issa
5,374 views
A spring sketch by 6cm when supporting a load of 15N? By how much would it stretch when supporting a load of 5Kg
7 answers
asked by
Purity
3,053 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
2,145 views
I was wondering if my answers are correct.
1. A 50kg person is taking a ride on an elevator travelling up at a steady speed of
7 answers
asked by
Liz
5,054 views
Three charges were positioned as shown in the figure below. If Q1=Q2=8uc
and d=0.5m, determine q if the electric field at is
4 answers
asked by
max
2,005 views
A 25m ladder is leaning against a
vertical wall. The floor is s lightly slippery and the foot of the ladder slips away from the
4 answers
asked by
Miriama
1,174 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
47 views
How much does a 20ft x 10ft x 8ft swimming pool filled with water weight? Assume the water has a weight density of 62 lbs/ft3.
I
6 answers
asked by
Hannah
1,841 views
The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is
7 answers
asked by
Help
4,842 views
Why might a plastic rod that contains a large number of electrons not have a static charge?
6 answers
asked by
rebecca
4,146 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
5,042 views
I have several questions
4: The image above shows particles in a medium. Which of the following shows the best conditions for a
6 answers
asked by
Roover
5,116 views
What is kinetic energy
12 answers
asked by
Arnny
2,527 views
a boy tosses a coin upward with a velocity of 14.7 m/s.
a. find the maximum height reached by the coin. b. time of flight c.
7 answers
asked by
jenalyn calimag
19,292 views
A 61-kg skier, coasting down a hill that is an angle of 23 to the horizontal, experiences a force of kinetic friction of
5 answers
asked by
Tristan
4,119 views
the lowest frequency we can hear is about 20hz. calculate the wavelength associated with this frequency for sound that travels
5 answers
asked by
charlie
2,044 views
A mechanic uses a chain and block to lift a 875-kg engine 4.00 m to the top of the garage. The downward force in the chain over
5 answers
asked by
Holly
4,401 views
A spring of natural length 30cm is stretched to 35cm by a load of 15N. Calculate the extension produced,the elastic constant of
5 answers
asked by
Anonymous
1,273 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
1,605 views
Which characteristic is shared by both dark matter and baryonic matter?
3 answers
asked anonymously
312 views
A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 4.0x10^5 W of power and is in contact
5 answers
asked by
R
3,614 views
The position of an object connected to a spring varies with time according to the expression x = (7.1 cm) sin (2.1π t). Find
(a)
4 answers
asked by
Tom
7,108 views
A boy running a foot race rounds a flat curve of 50 ft radius. If he runs at rate of 15 mph, at what angle with the vertical
4 answers
asked by
Carl
4,176 views
A clam is dropped by a seagull it takes 3 seconds to hit the ground. what is the seagulls height approximate height above the
5 answers
asked by
Anonymous
9,957 views
If a transparent material has a refractive of 2.0;
a) calculate the critical angle b) if the refractive index were less than 2,0,
5 answers
asked by
Cathy
2,978 views
A girl pushes a load of mass 20kg to a distance of 10 metres in 5 seconds calculate (1) the work done (2) the energy used (3)
4 answers
asked by
Olorunnimbe
725 views
Why is copper wire a better conductor of electricity than carbon fiber?(1 point)
Copper (Cu) has no loose electrons. Copper (Cu)
3 answers
asked by
DINO NUGGETS
290 views
what is the difference between mass and weight?
The mass of an object is the amount of matter it contains, while its weight is a
15 answers
asked by
Nick J.
7,776 views
Radio signals travel at a rate of 3x10^8 meters per second.how many seconds would it take for a radio signal to travel from a
25 answers
asked by
Wheels On The Bus
15,472 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
:)
3,062 views
1 litre of water has a mass of 1 kg. Find the mass of a bottle containing 1.5l of water if the bottle has a mass of 150g.
7 answers
asked by
Rajini
2,462 views
An airplane traveling at 9.50 102 km/h passes over a region where Earth's magnetic field is 4.4 10-5 T and is nearly vertical.
7 answers
asked by
Monica
2,826 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
342 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
14,009 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
6,180 views
What is the surface tension of water at 23 degrees Celsius?
5 answers
asked by
Jane
2,507 views
a force F is applied in horizontal to a 10kg block. the block moves at a constant speed 2m/s across a horizontal surface. the
6 answers
asked by
kristen
4,637 views
A small block with a mass of m = 0.120 kg is attached to a cord passing through a hole in a frictionless, horizontal surface.
5 answers
asked by
Sonya
3,856 views
What is the (absolute) pressure of a bulb? (to 3 s.f and in kPa)
(Patm = 101 kPa, ρwater = 1000 kg m−3) Height = 16.0cm what
4 answers
asked by
nina
1,212 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
3,664 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
3,123 views
A ball is thrown vertically into the air so that its height s after t seconds is given by the equation, s=-1/27(t^2)+4√t. Find
4 answers
asked by
Glen
2,279 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
1,695 views
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