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Physics
Page 15
Questions (147,064)
How many seconds would it take a 7.00hp motor to raise a 475 lb boiler to a platform 38.0 ft high?
4 answers
asked by
sean
1,284 views
Which statement describes a similarity between conductors and insulators
3 answers
asked by
Kayy
835 views
A uniform harf metre rule is freely pivoted at the 15cm mark and it balances horizontally when a body of mass 40g is hung from
5 answers
asked by
Inyass
792 views
Which statement correctly compares his motion during the first 10 minutes to his motion during the last 10 minutes?
* 1 point He
13 answers
asked by
science
979 views
Which analogy best describes voltage?(1 point)
Responses diameter of a pipe through which water move diameter of a pipe through
5 answers
asked by
kali
257 views
Which of the following interactions in the data set below will have an attractive electrical force?
Interaction Object 1 Charge
7 answers
asked by
A
262 views
When drawn on a coordinate plane with the x-axis as the baseline, a wave with a crest that is closer to the baseline has a
smalle
7 answers
asked anonymously
1,251 views
Which one of the following sets of quantum numbers can correctly represent a 3p orbital?
a) (n = 3 l = 1, ml = 2) b)(n = 1, l =
5 answers
asked by
Eric
17,669 views
The picture shows a woman running.
What is the main type of energy conversion taking place? a Chemical energy is converted to
3 answers
asked by
A
308 views
An archer pulls the bowstring back for a distance of 0.400 m before releasing the arrow. The bow and string act like a spring
4 answers
asked by
Albee
5,476 views
A fin 30 cm long & 10mm diameters throughout is made of steel alloy of thermal conductivity 43 W/m-deg. the fin attached to a
5 answers
asked by
Guru
1,789 views
A man mass 75 kg and a boy mass 25 kg dives off the end of a boat of mass 300 kg so that their relative horizontal velocity with
5 answers
asked by
sjeba
3,116 views
If 25.4 kg of copper at 33°C receives 240 kJ of heat. Calculate the final temperature of the metal.
4 answers
asked by
jay
2,019 views
Two electrical circuits have the same 15-volt batteries. Circuit A has 2 ohms of resistance, and circuit B has 6 ohms of
4 answers
asked by
Zoe13
1,067 views
The Specific weight of water is 62.4 lb/ft^3.
Assuming 7.48 gal/ft^3, determine the weight of 1 gal of water?
4 answers
asked by
Evan
4,462 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
1,030 views
A stone was dropped off a cliff and hit the ground with a speed of 120 ft/s. Using the fact that acceleration due to gravity is
5 answers
asked by
Cole
10,926 views
An airplane has a speed of 400 km/h with no wind. The airplane flies 2140 km with the wind. The airplane can only fly 1860 km
4 answers
asked by
Muneer
2,128 views
2.1 Two blocks of mass M kg and 2.5kg respectively are connected by a light, inextensible string. The string runs over a light,
7 answers
asked by
Pamela
2,743 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
3,625 views
Calculate the work done in each of the following situations.
a) A horse pulls a wagon with a force of 1200 N and moves it 15 m.
7 answers
asked by
Annie
1,909 views
Three point chatges are placed onthe x axis .Acharge of+2micro c at the100cm mark .what are the magnitude and direction of the
4 answers
asked by
Mariam
1,646 views
Unit 3 Lesson 9 Conductors and Insulators Quiz:
When the air under the envelope is heated, the balloon lifts. Which of the
6 answers
asked by
Billie Elish
813 views
What mass of water will be needed to change the temperature 25 Celsius using 4532 J of heat energy
4 answers
asked by
macie
1,228 views
In which situation does the reactive force between two colliding objects cause a physical change?
A: a swing hitting another
5 answers
asked by
:)
1,450 views
A vehicle is travelling 1.0x10^2 km/h. what is the spped of the vehicle in metres per second?
28m/s 27.8m/s 3.6x10^2m/s
4 answers
asked by
Emmanuel
3,688 views
Finishing his ginger ale, Ramesh stands at the party holding his insulated foam cup that has nothing in it but 0.100kg of ice at
5 answers
asked by
Debra
2,879 views
A wolf us chasing a rabbit.Graph the wolf's motion using the following data: 15 m\s at 0 s,10 m\s at 3 s,1 m\s at 4 s,and 0 m\s
7 answers
asked by
anna
2,339 views
A simple pulley with the given
radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pully
5 answers
asked by
2121
3,032 views
A pupil of mass 50kg runs a flight of 20 stairs each 25cm high in a time of 20 seconds,[Take g=10/kg ] calculate the pupil's
4 answers
asked by
Natasha nambela
1,610 views
1. Scientists seek to acquire knowledge and understanding of the real world through the formulation, testing, and evaluation of
4 answers
asked by
Idk name here
1,524 views
what are the forces on two charges of +0.60 C and +2.0 C, respectively, if they are separated by a distance of 3.0 m?
4 answers
asked by
Anonymous
1,260 views
If the bike wheel is rolled along the ground 10 inches, through what angle does the wheel rotate?
5 answers
asked by
hannah
1,059 views
A 40 kg ball is pukled to one side until it is 1.5 above itd lowest point. What will be its velocity as it passes through its
5 answers
asked by
Merely
4,175 views
a balloon with a volume of 1.375 L is released from earths surface at sea level. what will the balloon occuy at an altitude of
7 answers
asked by
amie
1,817 views
9. A block attached to a spring of negligible mass undergoes simple harmonic motion on a frictionless horizontal surface. The
4 answers
asked by
gomez
2,025 views
Three cells each of emf 2v are connected in series with an ammeter,two resistors of resistance 2 ohms and 6 ohms and a switch
A.d
4 answers
asked by
Kelvina
1,721 views
A hand bag containing some loads weighing 162n is carried by two student,
each holding the handle of the bag next to him..if each
5 answers
asked by
Collins
3,309 views
A horizontal force of 804 N is needed to drag a crate across a horizontal floor with a constant speed. You drag the crate using
5 answers
asked by
Anonymous
3,572 views
Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the
5 answers
asked by
emm
8,065 views
A solid aluminum ingot weighs 89 N in air. What is its volume? The ingot is suspended from a rope and totally immersed in water.
4 answers
asked by
Anonymous
6,367 views
A -4.0-µC charge is located 0.30 m to the left of a +6.0-µC charge. What is the magnitude and direction of the electrostatic
5 answers
asked by
Marie
5,004 views
if some of water in calorimeter splash out when tranfering the metal block, will it affect the experiment result?
5 answers
asked by
jane
4,635 views
A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the
4 answers
asked by
Pat
5,698 views
a ray of light (f = 5.09 x 10^14 Hz) traveling in air strikes a block of sodium chloride at an angle of incidence of 30 degrees.
5 answers
asked by
Anonymous
7,084 views
As a 2.0-kg object moves from (2i+5j)m to (6i-2j)m, the constant resultant force acting on it is equal to (4i-3j)N. If the speed
5 answers
asked by
ATT
6,446 views
A refrigerator has a coefficient of performance of 4.0. When removing 2.4x10^4 J from inside the refrigerator, how much energy
4 answers
asked by
Q
5,413 views
Two resistances of 6 ohms and 8 ohms are connected in parallel. This combination is connected in series to another parallel
5 answers
asked by
Alyssa
3,470 views
calculate the total amount of head absorbed (in kj) when 2.00 mol of ice at -30.0C is converted to steam at 140.0 C
4 answers
asked by
colonial
1,841 views
A frictionless pendulum of length 3 m swings
with an amplitude of 10◦. At its maximum displacement, the potential energy of the
5 answers
asked by
Anonymous
10,957 views
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