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Physics
Page 22
Questions (146,323)
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
7,319 views
A net force is applied to a moving object, which statement best describes the effect of the force
4 answers
asked by
Star
779 views
An arrow is horizontally projected from the top of a tower with an initial velocity of 15m/s.if it reaches the ground 7seconds
7 answers
asked by
Sylvester
2,202 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
2,159 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
A student says that a speed of 50m/s is faster than a speed of 140km/h because the number is bigger.What would you say to them?
19 answers
asked by
Jay
4,147 views
A person throws a ball up into the air at which point its path with a ball have its greatest potential energy
A-When the ball is
30 answers
asked by
I’m letting your mother know what i seen
4,341 views
a 5.o kg book is sitting on a table. which describes the forces acting on the book?
a)there are no forces acting on the book
6 answers
asked by
nancy
6,170 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
3,996 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
5,994 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
2,799 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
2,641 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
9,539 views
What happens when a wave is absorbed by a material?(1 point)
Responses The wave supports the formation of an echo. The wave
6 answers
asked by
Cinnamon Roll (Izuku)
973 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
563 views
Which statement describes the transmission of mechanical waves?(1 point)
They cannot travel through matter, but they can in a
9 answers
asked by
Please Help soon
2,808 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
4,110 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
1,068 views
A boy of Mass 20kg stands on a building floor 12m above the ground level. Calculate his potential energy.
7 answers
asked by
Lawal
867 views
an object has a mass of 1285 g. deermine the weight of the object in newtons.
7 answers
asked by
yvonne gray
3,552 views
Calculate the heat required to raise the temperature of 10kg of copper from 20°C to 30°C (S.H.C. of copper = 400J/kg k).
5 answers
asked by
Ebenezer
2,169 views
At 6 p.m., the temperature was -2°F. By midnight, the temperature had dropped 5 degrees. what was the temperature at midnight?
4 answers
asked by
korblox
1,020 views
A rider with his bike, weighing a total of 300 kg jumps off a sloped ramp with a speed of 5.5 m/s. How high will the biker jump
5 answers
asked by
tman
1,338 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
1,848 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
2,829 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
442 views
The gravitational force exerted by the sun keeps planets in orbit. What would happen to the force that keeps Earth in orbit if
4 answers
asked by
Okay so-
1,819 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
4,446 views
the mass of an empty container is measured and found to be 55.75g. the container is filled to thee rim with water. its mass is
5 answers
asked by
help
3,615 views
How does a pulley make work easier when it is used to lift an object?
It reduces the weight of the object being lifted. It
4 answers
asked by
Subzero
998 views
the international space station orbits 350 km above earth's surface. earth's radius is about 6370 km.use the pythagorean theorem
6 answers
asked by
tee
6,911 views
An 8N force stretches a spring to the 20cm mark on a metre rule.if the extension on the spring is 4cm,calculate the original
5 answers
asked by
GEOFFREY
1,346 views
A blacksmith strikes a piece of metal with a hammer repeatedly. The metal slowly begins to glow as the temperature increases,
10 answers
asked by
Nic
5,160 views
help me please i need the answers for the waves unit test
7 answers
asked by
big 14 please help.
1,432 views
Starting from rest, an object rolls down a long ramp with a constant acceleration of 1.72 m/s2. After rolling for 4.75 s, what
4 answers
asked by
Emmanuel
1,906 views
Can someone check my answer?
What is thermal energy?(1point) A. the measurement of energy in an object due to position,
6 answers
asked by
Jrjdbfh
919 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
774 views
a brick falls off scaffold at height of 80 m above the ground it velocity AfTeR FalLInG for 2 s Is 19;6 what iS IT MAgnitudE
4 answers
asked by
Saneh
1,190 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
1,962 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
3,980 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
1,296 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
1,306 views
2 cells, each of Emf 2v and internal resistance 0.5ohms are connected in series .they are made to supply current to a
7 answers
asked by
Odeyemi
2,616 views
If a car whose horn emits a frequency of 500 Hz is driving toward you at 30 m/s, which frequency might be the one that you hear?
5 answers
asked by
deric
2,350 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
2,102 views
a ball that was projected up at an angle of θ degrees with the horizontal has a flight time of 5.0s and covers a range of 49.0
4 answers
asked by
john
4,424 views
If the pressure on the surface of water in the liquid state is 30 kpa, the water will boil at... 0, 30, 70, or 100 degrees c?
5 answers
asked by
lost
3,716 views
What is the centripetal acceleration of a satellite orbiting Saturn at the location exactly on Saturn radius above the surface
4 answers
asked by
Farah
1,497 views
A football is thrown upward at an 48◦
angle to the horizontal. The acceleration of gravity is 9.8 m/s^2. To throw an 80.4 m
4 answers
asked by
Dakota
2,155 views
how high will a body rise that is projected vertically upward with a speed of 100 ft/s how long will it will take a body to
6 answers
asked by
Anonymous
2,992 views
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