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Physics
Page 24
Questions (147,526)
As denizens of the surface of a spinning planet, we are always in uniform circular motion. Imagine you are in Nairobi (on the
5 answers
asked by
anonymous
1,832 views
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous
9 answers
asked by
jerson
7,327 views
A net force is applied to a moving object, which statement best describes the effect of the force
4 answers
asked by
Star
785 views
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299K. If I raise the temperature to 350K
5 answers
asked by
sam
5,658 views
A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A
4 answers
asked by
Elyse
2,164 views
Thank you for the help :)
A certain sample carries a current of 4A when the potential difference is 2V and a current of 10A when
4 answers
asked by
susan
3,217 views
as she pick up her riders a bus driver traverses four successive displacements represented by the expression (-6.30 b)i-(4.00 b
4 answers
asked by
JOAN
3,028 views
An astronaut weighs 720N on earth at sea level. Determine his mass on the moon. Given the moon has a mass of 7.35×10^22kg and
4 answers
asked by
Agnes
959 views
Use the table to answer the question.
Wave λ (m) vw (m/s) L 120 600 M 150 600 N 100 600 O 50 600 The table shows information
4 answers
asked by
alan
753 views
A truck with 36-in.-diameter wheels is traveling at 55 mi/h.
Find the angular speed of the wheels in rad/min, *hint convert miles
4 answers
asked by
Jen
4,009 views
At a temperature of 20°C, the volume V (in liters) of 1.33 g of O2 is related to its pressure p (in atmospheres) by the formula
5 answers
asked by
Anonymous
5,998 views
The hydrostatic equation holds not just for air, but for other fluids such as water (air, though it is a gas, is often referred
5 answers
asked by
muh_ghgh
2,809 views
Non-Contact Forces Online Practice
Non-Contact Forces Online Practice Complete this assessment to review what you’ve learned.
5 answers
asked anonymously
667 views
Find the exact ratio of the equator to the distance around the Earth at latitude 45 degrees north. (Assume the Earth is a
5 answers
asked by
simone
2,658 views
Use Newton’s first law of motion to explain how wearing a seat belt in a moving car could help prevent injury.
18 answers
asked by
Cindy
14,706 views
Select the correct answer to complete the sentence. Gravitational force is said to be universal because:
- it applies to all
13 answers
asked by
Haile
9,544 views
Traveling at approximately 186,000 miles per second, about how many miles does a beam of light travel in 2 hours?
F. 3.72 x 10^5
7 answers
asked by
Anonymous
3,542 views
There are two light bulbs in a circuit, wired in parallel. A third light bulb is added again in parallel. What is the effect on
6 answers
asked by
Jenny
2,265 views
On which object will Earth’s gravity act with the greatest magnitude?
A.) a banana B.) a toaster C.) a television D.) a piano
5 answers
asked by
goodog
749 views
Pulleys and Inclined Planes Quick Check
4 of 44 of 4 Items Question Use the image to answer the question. An illustration shows a
6 answers
asked by
who dat
568 views
Which of the following arrangements will create an image larger than the object?
a diverging lens with the object placed between
5 answers
asked by
dianni
4,115 views
A car initially at rest travels for 2 minutes with a uniform acceleration of 0.3 m/s^2,after which the speed is kept constant
5 answers
asked by
Bernard
1,071 views
What is the electromagnetic force?
a force that governs how elements break down naturally a force that attracts objects with mass
12 answers
asked by
b
2,259 views
an airplane travels 500 km with the wind in the same time that it takes the airplane to travel 400 km against the wind. the
6 answers
asked by
Sarah
2,990 views
what mass of ice at -14'c will be needed to cool 200cm3 of an orange drink (essentially water) from 25'c to 10'c! (specific
5 answers
asked by
maxwell
1,033 views
The "***" is my answer
1. Use the image of a person lifting a boulder with a lever to answer the question. Where is the fulcrum
7 answers
asked by
HELP ASAP
949 views
if the initial velocity of an object is 12m/s, determine the horizontal distance it can cover without rising more than 3m.θ=40
4 answers
asked by
jj
1,849 views
A bird drops a stick to the ground from a height of 68ft. The function h=-16t^2+68 gives the stick's approximate height h above
5 answers
asked by
Gray
1,141 views
A radio wave travels through space with a frequency of 2 x 104 Hz. If the speed of the radio wave is 3 x 108 m/s, what is the
5 answers
asked by
hi
2,837 views
Which choice correctly describes a characteristic of an electromagnetic wave?
a)An electromagnetic wave moves at the speed of
5 answers
asked by
:)
2,171 views
the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.
4 answers
asked by
sammi
4,340 views
What is accomplished by a simple pulley?
A.) It changes the distance of the pull needed to lift the object. B.) It changes the
4 answers
asked by
goodog
447 views
The specific heat of aluminum is 0.90 J/ g*C degrees and of iron is 0.45 J/g*C. How much energy was absorbed by each 1-gram
4 answers
asked by
Spartan
4,457 views
How many btu require to change 10 pounds of ice at 20F to steam at 220F
4 answers
asked by
Darreus
5,263 views
The height of an object moving up and down is described by y=72+40cos18t (in degree mode). To at least three decimal places,
4 answers
asked by
maath
1,854 views
help me please i need the answers for the waves unit test
7 answers
asked by
big 14 please help.
1,434 views
A fly wheel rotates at 300 rev/min.if the radius is 6cm through what total distance does a point on the rim travel in 30 sec.
5 answers
asked by
shoaib
1,734 views
A student designs a gravity experiment. She will time how long it takes different objects to fall from her school’s roof to
9 answers
asked by
UNICode
907 views
a space traveller determines the radius of a planet to be half of earth . After landing on its surface , he finds the
5 answers
asked by
hanu
4,360 views
A sledgehammer is swung at a wall. Once the sledgehammer hits the wall it does not breakthrough. How do the hammer and the wall
4 answers
asked by
Ieasha30
782 views
In determining the heat capacity of a calorimeter, 50ml of water at 56*C is added to 50ml of water at 23*C. After about five
4 answers
asked by
Josh
1,977 views
Batteries are made of two metals with different electron affinities. What does the phrase “electron affinity” mean and how
5 answers
asked by
Hannah
3,654 views
Theories About the Universe Quick Check answers
4 answers
asked by
Someone
1,452 views
You drop the rubber ball from height h it bounces back to 60% of its original height. Write an equation you can use to find the
9 answers
asked by
Need Help
4,060 views
A certain spring stretches 4.4 cm when it
supports a mass of 0.89 kg . If the elastic limit is not reached, how far will it
4 answers
asked by
Anonymous
3,986 views
The local football player is practicing football on top of a 25 m high hill. He kicks the soccer ball, which lands 40 m from the
5 answers
asked by
Titana
1,303 views
If a gas in a closed container is pressurized from 12 atm to 25 atm and tis original temperature was 32 degrees C, what would
4 answers
asked by
Anonymous
1,314 views
maria's bicycle has a diameter of 64 cm. as she rides at the speed of 21.6 km/h, she picks up a stone in her tire. draw a graph
6 answers
asked by
Allison
2,753 views
What is Reflection?
4 answers
asked by
Lonwabo
1,166 views
The average velocity of the electrons in a conductor carrying a current of 65.5 amp is 0.0153 inches per sec.what is the
4 answers
asked by
Kenzo
2,107 views
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