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Physics
Page 74
Questions (147,530)
A sealed cylinder of gas contains nitrogen gas at 1.00 103 kPa pressure and a temperature of 14°C. The cylinder is left in the
3 answers
asked by
chandler
743 views
In which case would the kinetic energy of particles be increasing?
1. Metal is cooled at 1,300°C. 2. Metal is at room
3 answers
asked by
ur mama
250 views
I think I'm doing this wrong
In an internal combustion engine, air at atmospheric pressure and a temperature of about 20 degrees
2 answers
asked by
AP Physics B (chemistry bit)
1,279 views
I forgot to add this question into my other Physical Science Posts..sorry
What is the difference between mass and weight? Mass is
4 answers
asked by
mysterychicken
886 views
A shoe and a shirt are released from the same height. They take different amounts of time to fall to the ground. How can this be
3 answers
asked anonymously
136 views
Use the equation to answer the question.
146C→147N+0−1e Which type of radioactive decay does the equation model? (1 point)
3 answers
asked by
Blue Berry
152 views
A student is moving furniture. Even though table A and table B are the same size, table A requires more force to move. Why?(1
3 answers
asked anonymously
190 views
A group of students conduct an experiment to study Newton’s second law of motion. They applied a force to a toy car and
21 answers
asked anonymously
111 views
Matt is walking 1.25 miles to the east.Jaime is walking 1.25 miles to the west.Which statement describes the movement of matt
3 answers
asked anonymously
56 views
If the coefficient of kinetic friction is .25, how much horizontal force is needed to pull each of the following masses along a
3 answers
asked by
hailey
419 views
A shoe in the shirt are released from the same height. They take different amounts of time to fall to the ground. How can this
3 answers
asked anonymously
61 views
Groups of skydivers need to navigate through The air during a jump to get into a formation. How can sky divers who are below the
3 answers
asked anonymously
43 views
Nuclear reactions can be written out in equation form with information about the nuclei that take place in the fusion reaction
3 answers
asked by
Anonymous
72 views
An athlete is practicing shotput using a 16-pound shot, and he throws it 40 feet. He then uses a 12-pound shot and throws it 50
3 answers
asked anonymously
173 views
A charge of +1q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed
2 answers
asked by
Mary
984 views
If the current is used, find the time taken for 5.5g of gold to be deposited ( Au =197, 1 faraday = 96500c )
1 answer
asked anonymously
72 views
Consider Sammy's ride down the water slide in question #1. Imagine that Sammy is replaced with by his science teacher, Mr.
1 answer
asked anonymously
62 views
The current temperature in degrees Celsius, where x equals the number of hours after noon, is 2x+10. Interpreting this equation,
1 answer
asked anonymously
250 views
Gravity is a force between any two objects with mass why doesn't a person feel a gravitational force between him or herself and
7 answers
asked anonymously
197 views
In which case would the kinetic energy of particles be increasing? (1 point) Responses Metal is melted at 1,300°C. Metal is
1 answer
asked by
Kaesawn Johnson
118 views
A frictionless pendulum has a length of 1.2 m and a mass of 0.8 kg. If the pendulum is raised to an angle of 50 degrees before
1 answer
asked anonymously
107 views
A student adds different amounts of ice to four samples of water and records the change in temperature after 30 minutes. What is
1 answer
asked by
Uncle moe last name lester
66 views
What is the coefficient of static friction between a load of mass 0.75kg and a horizontal surface if the limiting frictional
1 answer
asked by
Jonathan Onyekachi
58 views
Which statement explains how the charges on objects determines the electric force between them?(1 point)ResponsesObjects with
1 answer
asked anonymously
110 views
A 16-pound bowling ball strikes a 3.5-pound bowling pin. The pin is moving very fast after the collision. It has a large
4 answers
asked by
mom
83 views
Question
Which conclusion can be made from Gay-Lussac’s law?(1 point) Responses At a constant temperature, the pressure of a
1 answer
asked anonymously
95 views
A stone with mass 0.8kg is attached to one end of a string 0.9m long . The string will break if its tension exceeds 600N. The
3 answers
asked by
Swagat khanal
3,373 views
Three identical balls, with masses M, 2M, and 3M are fastened to a massless rod of length L as shown. The rotational inertia
4 answers
asked by
tatiana
3,073 views
Find the length of a pendulum that has a frequency of 0.80 Hz?
4 answers
asked by
jane
2,258 views
The siren on an ambulance is emitting a sound whose frequency is 2421 Hz. The speed of sound is 343 m/s. (a) If the ambulance is
4 answers
asked by
carter montgomery
2,033 views
A particle has a kinetic energy equal to its rest energy.
(a) What is the speed of this particle? (b) If the kinetic energy of
3 answers
asked by
martini
2,025 views
A metre rule is found to balance horizontally at the 48cm mark. When a body of mass 60g is suspended at the 6cm mark the balance
4 answers
asked by
David Cameron
2,002 views
Assume that a certain city consumes electrical energy at an average rate of 2.0× 10^9 W. What would be the mass change
in
3 answers
asked by
Justin
1,941 views
You drop a ball from a height of 2.0 m and it bounces back to a height of 1.5 m (a) What fraction of its initial energy is lost
3 answers
asked by
jen
1,867 views
A bat moving at 5 meters per second is chasing a flying insect, if the bat emits a 40 khz chirp and receives back an echo at
3 answers
asked by
Chris
1,800 views
how would i calculate; a 50g sample of water at 100 degrees is poured into a 50g sample of water at 25 degrees. with a specific
3 answers
asked by
Noreen
1,780 views
A flask partially full of liquid water is heated to boiling and capped cold water is poured over the flask. The water boils even
3 answers
asked by
Noel
1,620 views
What is the frequency of a pendulum that completes 40 cycles in 8 minutes?
4 answers
asked by
Tam
1,571 views
A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it
7 answers
asked by
teal
1,585 views
Lever, You Find A Smaller Rock, Use As A Fulcrum, You Place It A Meter From Boulder. What Works? """I choose A""""
A)move the
3 answers
asked by
Jenny
1,546 views
In the figure, a uniform ladder of weight 200 N and length 10 m leans against a perfectly smooth wall. A firefighter of weight
3 answers
asked by
Kate
1,548 views
two point charges are placed on the x axis as follows:
charge q1 +4.00nc is located at x = 0.200m, and charge q2 = +5.00nc is at
4 answers
asked by
yanis
1,479 views
1 - A student uses a magnet to place a picture on the refrigerator door. Which statement explains how the magnet is able to
5 answers
asked by
2trimm_markel
199 views
Energy Transfer and Temperature Quick Check
1 of 41 of 4 Items Question Use the table to answer the question. Sample Observation
7 answers
asked by
SIC
222 views
A student wants to know if the effect of gravity is the same on all objects. She follows these steps:
Drop a 5-gram ball, a
1 answer
asked anonymously
97 views
Which option describes a vector quantity?
it has magnitude, units and direction it has magnitude, but no units or direction it
1 answer
asked anonymously
100 views
A hammer and a feather are dropped from the same height by an astronaut on a planet without air. How will their falls compare?
Th
1 answer
asked anonymously
94 views
Which statement about gravitational attraction is correct?(1 point)
Responses All objects with mass experience gravitational
15 answers
asked by
Jojo
326 views
Select all that apply
Which statements can complete the statement:ln order to be able to use Coulomb's law to calculate the
1 answer
asked by
jaema
62 views
A bear spies some honey and takes off from rest, accelerating at a rate of 2.3 m/s2.v If the honey is 18 m away, how fast will
3 answers
asked by
Jacob
1,343 views
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