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Physics
Page 29
Questions (147,574)
The diagram shows the result when a student placed a magnet under a piece of paper, then sprinkled iron shavings on the paper.
Th
3 answers
asked by
dreg
224 views
an effort of 250N is applied to a pulley system consisting of two fixed and two movable pulleys to lift a load to a height of
5 answers
asked by
Charles
633 views
A Styrofoam bucket of negligible mass contains 1.75 kg of water and 0.450 kg of ice. More ice, from a refrigerator at -15.0
3 answers
asked by
Marthin
1,198 views
1.) Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container?
2.) A
4 answers
asked by
Akitsuke
1,794 views
n order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful?
a Meter
3 answers
asked by
6th g=rade
142 views
Two forces of 20 N and 5 N are acting at an angle of 120 degree between them. Find the resultant force in magnitude and
3 answers
asked by
Tushar
2,986 views
A wheel is spinning with constant angular velocity the ratio of speed of a point on the end of rim to the speed of point halfway
3 answers
asked by
sunny chauhan
838 views
The pendulum on a cuckoo clock is 5.00 cm long. (a) Determine the period of this pendulum. (b) What is its frequency?
3 answers
asked by
Jason
2,294 views
A student performs an experiment where he sends sound waves from the air through a solid, a liquid, and a gas. He records the
3 answers
asked by
Anonymous ;)
396 views
Calculate the change in temperature that would shrink a room-temperature balloon to one-half its size. Vo is 10 Vf is 5
5 answers
asked by
DariaV
1,163 views
a circular track is made on which an athlete has to cover three rounds to complete a 1000m run.during the run find the distance
4 answers
asked by
aashi
1,218 views
6) The relationship between force and acceleration is given by Newton’s 2nd Law: Fnet = ma. In this case this becomes:
4 answers
asked by
Al
1,039 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
2,548 views
A coconut of mass 2kg is on a tree 5m tall.Determine the potential energy of the coconut at this height (take g=10ms^2)
4 answers
asked by
Nharnah
188 views
ABC is a equilateral triangle of side 0.1m . Charges are placed at the vertices A and B respectively.Calculate the resultant
3 answers
asked by
Kvr Kmmr
587 views
A hot solid of mass 100 g at 100°c is quickly transferred into 100 g of water in a container of mass 200 g at 20°C. Calculate
3 answers
asked by
utuje ferouzi
649 views
An 80.0 kg rollerblader is at rest at the top of a 100 m hill at a 7o incline. The coefficient of friction on the hill is 0.110.
3 answers
asked by
n
1,184 views
while watching ocean waves at the dock of the bay. otis notices that 10 waves pass beneath him in 30 seconds. he also notices
3 answers
asked by
charlie
1,298 views
a petrol engine raises 200 liters of water in a well from a depth of 7m in 6seconds show that the power of the engine is about
7 answers
asked by
abeje
612 views
You are told 3 things...1. That there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a
4 answers
asked anonymously
198 views
what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.
3 answers
asked by
Kellie
2,828 views
If a monkey dropped a banana off of a cliff, where are the potential energy and kinetic energy of the bananas equal.
A at the
5 answers
asked anonymously
157 views
The voltage signal from a standard European wall socket can be described by the equation V(t)=325sin100 pi x ,
where t is time,
3 answers
asked by
Anonymous
1,933 views
Jason drives due west with a speed of 35.0 mi/hr for 30 mins, then continues in the same direction with a speed of 60.0 mi/hr
4 answers
asked by
Dakota S
4,670 views
Humans observe early on that things fall towards the earth when let go. This is due to the (4)_____, which states that the force
7 answers
asked by
rocjsjaqksakawaakcm2jdjejmexkxk
2,035 views
A cable 45.4 m long is carrying a uniformly distributed load
along its span. If the cable is strung between two posts at the same
4 answers
asked by
Chris
1,291 views
An important property of fiber optic is
1 Degradation 2. Refraction 3. Radiation 4. Noise
3 answers
asked by
Usman atiq
110 views
What is the relationship between the frequency and wavelength of a wave?
2 answers
asked by
premorice
16,778 views
Which are accurate statements about dark matter? Select the TWO correct answers.
A. Scientists are not convinced that dark matter
3 answers
asked by
qwpovj
533 views
A density bottle has a mass of 35g when empty, 85g when filled with water and 75g when filled with kerosene. Calculate the
4 answers
asked by
Abbie
806 views
When you hold a textbook and a pencil, why does the textbook feel heavier than the pencil?(1 point) Responses The textbook has a
3 answers
asked by
BRU
77 views
The brick shown in drawing the is glued to the floor. A 3500-N force is applied to the top surface of the brick as shown. If the
4 answers
asked by
jeremy
2,609 views
A bullet is fired horizontally with a speed of 100 m/s aiming at a target 20m away. It misses the target by??
3 answers
asked by
Anonymous
1,709 views
Which statement best describes the effect of radioactive decay on a nucleus?(1 point) Responses The resulting nucleus is less
1 answer
asked anonymously
65 views
What is the heat in Joules required to raise the temperature of 100g H20 from 288K to 308K?
3 answers
asked by
Sue
1,201 views
A brick of mass 2kg just begins to slide down an inclined plane at an angle of 45 degree with horizontal.what will be the force
2 answers
asked by
Anonymous
955 views
A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg
2 answers
asked by
pop
747 views
A rectangular coil of wire has a dimensions of 4.9 cm by 9.7 cm and is wound with 84 turns of wire. It is turned between the
1 answer
asked by
Ethan
717 views
A block of mass M hangs from a uniform rope of length L and mass m . Find an expression for the tension in the rope as a
2 answers
asked by
Rumo
530 views
A 120-MT concrete beam is lifted from the floor by two tandem heavy lift cranes up to a
target height of 7.5 meters. Calculate
1 answer
asked anonymously
71 views
Which statement best describes the reflection of a wave?(1 point)
Responses A wave fails to reach the surface of a material. A
1 answer
asked by
I hate math
60 views
What does temperature measure?(1 point)
Responses average kinetic energy of the particles in an object or substance average
1 answer
asked anonymously
59 views
A voltmeter and frequency meter are connected across the terminals of a single alternator running on no load gave the reading of
1 answer
asked by
convert 0.002cm to m
37 views
Why doesn’t an object falling from an airplane continue to accelerate?(1 point) Responses
Air resistance on the object will
1 answer
asked by
.
46 views
The critical angle for a beam of
light travelling between water and air is 49°. (a) A beam strikes a water or air boundary and
1 answer
asked anonymously
39 views
Use the table to answer the question.
Time on Bunsen Burner (in seconds) Temperature (in ° F) 0 52 30 54 60 58 90 63 120 70
1 answer
asked anonymously
122 views
n particle accelerators such as the one shown, fields are employed to separate different subatomic particles. What type or types
1 answer
asked anonymously
42 views
Which of the following will most likely happen to magnet 1 as magnet 2 is moved closer?
a Magnet 1 will move toward magnet 2
1 answer
asked anonymously
48 views
An acorn rolls off a roof and falls to the ground. Which statement best describes the change in energy?(1 point) Responses
The
1 answer
asked by
.
35 views
Which type of wave can carry energy through a vacuum? (1 point)
Responses sound sound electromagnetic electromagnetic mechanical
1 answer
asked by
Creeper Mc.Fancyson
25 views
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