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Physics
Page 65
Questions (146,364)
At 2:00 PM a car's speedometer reads 30 mi/h. At 2:10 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:10 the
3 answers
asked by
Zuhayr
3,343 views
A rectangular container has a 10 cm square base and contains water to a depth of 12 cm. when a stone of a mass of 600 g is
4 answers
asked by
athri
707 views
The wattage rating of an appliance W varies jointly as the square of the current I and the resistance R. If the wattage is 1.5
3 answers
asked by
Jackie
1,107 views
As water waves from the ocean approach a shallow beach, their wavelengths become shorter. Explain why.
v=fwavelength, frequency
4 answers
asked by
Kayla
1,923 views
A pilot is flying at a speed of 300 miles per hour and the wind is blowing due north at 50 miles per hour.What is the magnitude
4 answers
asked by
Kimmy
1,750 views
Find the resultant of the forces 10N and 15N with an angle of 120 between them.
2 answers
asked by
Tega
1,013 views
Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet
3 answers
asked by
Anonymous
964 views
a hollow metal sphere has an internal radius of 20cm and an external radius of 30cm , given that the density of the metal is
4 answers
asked by
Steph
2,066 views
State four examples in the workshop where friction is desired ?
4 answers
asked by
O'brien
885 views
An experimental model rocket has a mass of 0.054kg. The fuel that was used in one test had 215J of chemical potential energy.
4 answers
asked by
Annie helpppp
1,325 views
Two passenger trains are passing each other on adjacent tracks. Train A is moving east with a speed of 35.5 m/s, and train B is
4 answers
asked by
JJ
2,245 views
In attempting to pass the puck to a teammate, a hockey player gives it an initial speed of 1.43 m/s. However, this speed is
4 answers
asked by
KS
1,772 views
A bicycler rider is traveling at 7m/s. During an 8s period, the bicycle rider then slows down with acceleration to a speed of 3
3 answers
asked by
Raven
2,088 views
Plane x = 10 carries current 100 mA/m along az while line x = 1, y = —2 carries filamentary current 20π mA along az Determine
3 answers
asked by
ASB
1,262 views
A projectile is shot vertically into the air. Its height, h, in metres, after t seconds is approximately modelled by the
3 answers
asked by
Alex
1,445 views
A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s
3 answers
asked by
Sanz
1,248 views
A rectangular fish tank measuring 0.80m × 0.55m is filled with water to a height of 61cm .
Part A What is the gauge pressure on
3 answers
asked by
Help! final next weel
658 views
A 7.50-kg turkey standing at the top of
Ishpatina Ridge, at 693 m the highest point in Ontario, weighs 73.5 N [down]. Calculate
3 answers
asked by
jake
1,041 views
In the following figure m_1 = 20.0kg kg and á alpha = 50.9 ∘ ^\circ. The coefficient of kinetic friction between the block
3 answers
asked by
Bob
1,499 views
A man whose mass is 80kg stands on a weighing machine inside a lift: when the lift starts accelerating upwards, the reading of
6 answers
asked by
Musa Abdullahi
1,276 views
1) A 0.50 kg object is at rest. A 3.00 N force to the right acts on the object during a time interval of 1.50 s
a) What is the
3 answers
asked by
Isis
2,539 views
A water trough is 6 m long, and its cross-section has the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 50
3 answers
asked by
Abrich
1,379 views
A spaceship from another planet travels at a speed of 4.27 googs/mulm. There are 256 googs in a
meter and 8000 mulum in one hour.
4 answers
asked by
Kevin
2,657 views
A solid of density 5000 kg/m^3 weighs 0.5 kgf in air.It is completely immersed in water of density 1000 kg/m^3. Calculate the
7 answers
asked by
Mayank
3,807 views
The force of gravity on the moon is said to be 1/6th of that on the earth .what would be the mass of 12kg weighed on the surface
3 answers
asked by
Bhumika Gireesh
749 views
What does electric current measure?
3 answers
asked by
Amilyah Watson
72 views
We apply the same amount of energy to 10.0-g samples of aluminum, and silver which begin at the same
temperature.Rank the metals
4 answers
asked by
Chris
1,117 views
many automobile passengers suffer neck injuries when struck by cars from behind. how does newtons law of inertia apply here?why
2 answers
asked by
lisa
594 views
A positive charge Q is on the y-axis at a distance a from the origin, and another positive charge q is on the x-axis at a
2 answers
asked by
Patrick
1,269 views
A mass 5kg is whirled in a horizontal circle @ 1 end of a string 50cm long,the other end being fixed. If the string when hanging
3 answers
asked by
Fate
1,834 views
1.) A small sphere of charge 2.4 μC experience a force of 0.36 N when a second sphere of unknown charge is placed 5.5 cm from
3 answers
asked by
Christine
2,269 views
At a rock concert, the sound intensity 1.0 in front of the bank of loudspeakers is 0.10 . A fan is 30 from the loudspeakers. Her
4 answers
asked by
Ness
3,430 views
An observer 2 km from the launching pad observes a vertically ascending missile at an angle of elevation of 21 degrees. 5
3 answers
asked by
H
2,280 views
which of the following sets of quantum numbers (n,l,ml,ms) describes the electron which is most easily removed when a sodium
3 answers
asked by
lavonne
1,619 views
A 70kg man stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 90kg
Is the elevator
4 answers
asked by
help
2,352 views
please check:
Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor do the resulting
4 answers
asked by
physics
3,661 views
When working with the combined gas law you would use the following equation:
(P1)(V1)/T1 = (P2)(V2)/T2 I am not quite sure how
5 answers
asked by
Anonymous
2,161 views
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +17 m/s^2. A parachute then opens, slowing the car
5 answers
asked by
Anonymous
3,686 views
The plates of a parallel plate capacitor each have an area of 0.40 m2 and are separated by a distance of 0.02 m. They are
3 answers
asked by
kevin
1,582 views
Which would have greater gravitational attraction?
1. Earth and the moon 2. Earth and a bouncy ball 3. Earth and the sun 4. Earth
2 answers
asked by
ADUDE
120 views
Calculate the kinetic energy, in Joules, possessed in each of the following scenarios and match with the correct answer. K.E. =
2 answers
asked by
fe
100 views
Gravitational Force, Attraction, and Mass Quick Check
these are correct for Connections Academy 10th grade Physical Science as of
5 answers
asked by
mmyoui
723 views
For the following graphs of position versus time (in one dimension), please determine the acceleration. Need someone to check
4 answers
asked by
Jeremy
120 views
A vehicle with mass of 1200kg accelerates from rest upward with an incline of 1:25 and reaches a speed of 72km/h after 2
2 answers
asked by
Boikokobetso Koloko
108 views
What is the density of a mixture of 1.5m3 of water and 0.5m3 of alcohol of density 800kg/m3? (Density of water = 1000kgm^-3 )
2 answers
asked by
chukwudi Christian
126 views
1. A particle moves along the x-axis in such a way that it's position in time t for t is greater or equal to 0 is given by x=
2 answers
asked by
Cameron
701 views
A toy rocket is launched into the air at an initial velocity of 32 ft/sec, as shown on the graph below. The function
3 answers
asked by
Rebekah L.
2,097 views
A baby carriage is rolling down a hill at 18 m/s. If the carriage has 1600 J of kinetic energy, what is the mass of the
2 answers
asked by
mark
1,042 views
A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observe that a proton moving at
3 answers
asked by
Luigi
833 views
A ray of green light has a wavelength of 5.34 x 10-7 m. What is the frequency? (Hint: remember the speed of light!)
3 answers
asked by
Lilly
1,472 views
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