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Physics
Page 12
Questions (146,368)
In the Dark - Quick Check
1. Weakly interacting massive particles/black holes/massive compact halos 2. Scientists have hypotheses
5 answers
asked by
Hey Lover <3
2,391 views
1. In a standing wave, the medium at the tip of a loop is
a) showing destructive interference b) not moving c) at the original
6 answers
asked by
Liz
2,839 views
Two pipes of equal length are each open at one end. Each has a fundamental frequency of 715 Hz at 300 K. In one pipe the air
4 answers
asked by
Tia
4,203 views
Milk is flowing through a heat exchanger at a rate of 2000kg/h. he heat exchanger supplies 111,600kJ/h. The outlet temperature
6 answers
asked by
Janice
3,449 views
What does the value 0.5cm represent for the wave?
7 answers
asked anonymously
1,227 views
Electricity is consumed between the hours of midnight (t = 0) and 6 a.m. (t = 6). Selected values of the rate of consumption are
4 answers
asked by
Sydney
2,329 views
How far apart are an object and an image formed by a 75.0cm focal length converging lens if the
image is 2.5x larger than the
4 answers
asked by
Timson Wakrit
2,761 views
If a wave’s third harmonic has a frequency of 24 Hz, what is its
natural (fundamental) frequency and what is the frequency of
4 answers
asked by
Student Lexi
4,651 views
Blocks A and B of weight 200N and 100N respectively, rest on a 30 inclined plane and are attached to the post which is held
4 answers
asked by
Kishore
3,229 views
How long does it take to fully charge a 5µF capacitor in series witha 5 Mega Ohm resistor
5 answers
asked by
Matt, AGAIN
3,379 views
DISTANCE-TIME for RUNNERS
Time(s) 1 2 3 4 Sally's Distance(m) 2 4 6 8 Alonzo's Distance(m) 1 2 2 4 Make a distance-time graph
6 answers
asked by
Ashley
4,677 views
A weight is attached to a spring that is oscillating up and down it takes 6 sec for the spring to complete one cycle and the
5 answers
asked by
Stan
6,421 views
1) A 20 kg rock is on the edge of a 100 m cliff.
a. What potential energy does the rock possess relative to the base of the
5 answers
asked by
Isis
11,871 views
A giant model of a magnet is being built for a museum exhibit. What is the total surface area of that will need to be painted if
6 answers
asked by
Me
306 views
Which choice describes how energy is transferred at the particle level through the process of conduction?
A. The fast-moving
5 answers
asked by
Science
5,011 views
Use the table to answer the question
object A +1 B +2 C -1 D -2 Assuming other factors are held constant, which two objects will
5 answers
asked by
….
3,154 views
A car of mass 760kg travel with a velocity of 14.0ms-1 . If the brakes are applied , the car travels a distance of 55.0m before
5 answers
asked anonymously
174 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
967 views
A spring with a 4 kg mass has natural length 1 m and is maintained stretched to a length of 1.3 m by a force of 24.3 N. If the
5 answers
asked by
COFFEE
2,606 views
Why do scientists observe blueshift in certain stars?(1 point)
Stars with higher temperatures emit more light waves at the blue
5 answers
asked by
amos goresatann
2,404 views
Solar Weather and Climate Quiz
1 of 91 of 9 Items Question This sentence explains the production and movement of energy in the
13 answers
asked by
Naruto
2,733 views
The back end of a 160-metre-long train disappears into a 700-metre-long tunnel. Twenty seconds later
the front of the train
4 answers
asked by
Anonymous
1,233 views
a runner training for a race times her 400 meter laps around a track. her times are lap 1 60 seconds, lap 2 57 seconds, lap 3 55
5 answers
asked by
Quetta
5,332 views
a ball is dropped from a height of 3m and bounces on the ground . At the top of each bounce, the ball eaches 60% of its previous
6 answers
asked by
Melissa
6,823 views
Mary is riding a merry-go-round, whose radius is 25 feet and which is turning 36 degrees per second. Seeing a friend in the
5 answers
asked by
Mike
3,085 views
what is the power dissipated by a 10 ohm resistor through which a 2 ampere current is flowing?
4 answers
asked by
harold
3,771 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
2,243 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
4,459 views
forces of 20N to the south,40N to the northeast, and 10N to be east act on the object.the magnitude of resultant force is
a)10N
5 answers
asked by
sstt
6,198 views
What are examples of inclined planes in the kitchen?
5 answers
asked by
danny123
3,189 views
Thermal Energy Unit Test Items
Question In which case would the kinetic energy of particles be increasing? answerrrrrrrs
12 answers
asked by
GHJK
3,209 views
Electric bulb is Marked 60 watts 120 volt what is the resistance of filament of bulb
4 answers
asked by
Sunny
5,434 views
Science fiction movies sometimes take place in space and contain scenes where things explode very loudly and brightly. Why is
10 answers
asked by
Please Help soon
2,929 views
An oil tank is 3m long, 3 m wide and 2 m high, when it is full of coconut oil specific gravity of 0.90, find the downward force
5 answers
asked by
mmmm
2,209 views
An airplane traveling at 9.50 102 km/h passes over a region where Earth's magnetic field is 4.4 10-5 T and is nearly vertical.
7 answers
asked by
Monica
2,779 views
An Aeroplane X Whose Average Speed Is 500km/h Leaves Kano Airport At 7:00am And Travels For 2 Hours On A Bearing 050 Degree. It
7 answers
asked by
Ahmed
3,710 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
:)
1,446 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
901 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
2,876 views
Samuel builds four electromagnets and tests them by picking up paperclips. Here are his partial results.
Coils Paperclips 8 2 16
4 answers
asked by
the real BARNY THE DINO :)
250 views
The blade of a windshield wiper moves through an angle of 90.0° in 0.398 s. The tip of the blade moves on the arc of a circle
7 answers
asked by
vik
9,933 views
A river flows from south to north at 5km/hr. On this river a boat is heading east to west perpendicular to the current at
5 answers
asked by
Alisha
3,192 views
The velocity function (in meters per second) is given for a particle moving along a line.
v(t) = 3t − 7, 0 ≤ t ≤ 3 (a) Find
4 answers
asked by
Anonymous
13,073 views
tarzan swings a vine of length 4m in a vertical circle under the influence of gravity. When the vine makes an angle of 20degrees
5 answers
asked by
ZK
4,826 views
Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s.
What is the net force acting on the body?
4 answers
asked by
Emily
11,509 views
What is the value and the direction of an electric field at a distance of 2.5 m from a +1 nC charge?
approximately 145 V/m
6 answers
asked by
Katy
2,309 views
How much thermal energy is released when 500g of steam at 100° C condenses into water and cools to 50°C
Givens: m=0.5 kg t = 50
6 answers
asked by
AlphaStrike
7,392 views
A spring is stretched 40mm by force 15N, what is the work done by the force
9 answers
asked by
Issa
5,334 views
A spring sketch by 6cm when supporting a load of 15N? By how much would it stretch when supporting a load of 5Kg
7 answers
asked by
Purity
3,020 views
A toy rocket has a mass of 350g at launch.the force it produces is 15N and it is fired at angle of 65⁰ to the horizontal.what
7 answers
asked by
Tesnim
1,065 views
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