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Physics
Page 22
Questions (147,199)
A 100N force acting on a lever 2m from the fulcrum balances an object 0.5m from the fulcrum on the other arm. What is the weight
5 answers
asked by
Jessica
3,368 views
Question What does electric current measure?(1 point) Responses how quickly electrical energy moves in a circuit how quickly
1 answer
asked anonymously
80 views
Describe the specific attributes of a prism
1 answer
asked anonymously
303 views
What does electric current measure?
A how well electrical energy moves in a circuit. B how frequently electrical energy moves in
1 answer
asked anonymously
60 views
How does a flashlight illustrate the law of conservation of energy
1 answer
asked anonymously
48 views
A science class is planning an investigation about gravity and objects on Earth. In three to four sentences, explain the steps
1 answer
asked anonymously
49 views
According to law of conservation of energy, energy can be _______. a created when converted to kinetic energy b created, but
1 answer
asked anonymously
56 views
In particle accelerators, fields are employed to separate different subatomic particles. What type or types of fields are
1 answer
asked anonymously
54 views
The model shows a simple electromagnet that does not attract metal object. Which observation or inference is correct?
A. The
1 answer
asked anonymously
44 views
Please look at the information in the table below about two different waves. Which statement below is true?
wave 1 = 1,000 m/s
1 answer
asked anonymously
52 views
Strength of Electrical Forces Quick Check
3 of 43 of 4 Items Question Use the table of observations about the electric force
1 answer
asked anonymously
39 views
During the Apollo 15 mission, an astronaut dropped a hammer and feather from the same height. The objects reached the moon’s
1 answer
asked anonymously
38 views
student conducts an investigation to study the effect of gravity on objects of different masses. Which step should be first in
1 answer
asked by
I NEED ANSWERS!!❤️
43 views
Which circuit will have the greatest electric current?
(1 point) Responses circuit 3 circuit 3 circuit 1 circuit 1 circuit 2
1 answer
asked anonymously
48 views
Sound travels through a guitar string at 600 m/s, making a sound wave in the air with a speed of 333 m/s. In 1–2 sentences,
1 answer
asked by
queen
26 views
Which statement is true?(1 point)
Responses Particles in an object move faster at 50°C than at 20°C. Particles in an object
1 answer
asked by
hi :)
39 views
How is an electromagnetic field produced?(1 point)
Responses when a current runs through a conductor when a current runs through
1 answer
asked anonymously
18 views
a quarter sits at the bottom of a wishing well where the gauge pressure reads 294 kPa. If the quarter has a diameter of 24mm,
1 answer
asked by
Drew
404 views
Suppose a load of 20N is raised by an effort of 4N
1 answer
asked by
Happiness
69 views
Describe an experiment to determine the saturation vapour pressure of water in the temperature range 25°c-70°c. sketch the
1 answer
asked by
Goodluck
149 views
For the following graphs of position versus time (in one dimension), please determine the acceleration.
Options are, positive
1 answer
asked by
Jeremy
83 views
A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of
5 answers
asked by
Sam
5,470 views
A vehicle is involved in a collision that produces a -1500 n net force. what is the acceleration of the 75.5 kg passenger in the
4 answers
asked by
Cassandra
1,150 views
a test car of mass 1250 kg is traveling at a speed of 72 kmph, when it is suddenly braked by locking the wheels. the average
4 answers
asked by
rajat
2,170 views
Two particles are moving in straight lines. The displacement (in meters) of particle 1 is given by the function e^(4cos(t)) ,
5 answers
asked by
Mishaka
3,900 views
A 0.5kg cart connected to light spring for which the force constant is 20 Nm on horizontal frictionless air track. Calculate the
5 answers
asked by
Anonymous
7,548 views
A boy running a foot race rounds a flat curve of 50 ft radius. If he runs at rate of 15 mph, at what angle with the vertical
4 answers
asked by
Carl
4,122 views
A 10-kg box is pulled along a horizontal surface by a
force of 40N applied at a 30° angle above horizontal. The coefficient of
5 answers
asked by
denise
9,493 views
The voltage across the plates of a capacitor at any time t seconds is given by V=Ve -t/CR, where V,C and r are constants. Given
4 answers
asked by
lee
2,531 views
Four very thin rods, each 8.3 m long, are joined to form a square. The center of mass of the square is located at the coordinate
4 answers
asked by
Hannah
2,484 views
A 16kg sled starts up a 28 degree incline with a speed of 2.4 m/s . The coefficient of kinetic friction is = 0.27.
part a)How far
6 answers
asked by
leeann
7,918 views
A ball is thrown vertically upward from ground level with initial velocity of 96 feet per second. Assume the acceleration of the
5 answers
asked by
Bobby
5,989 views
Use g=10 N/kg in this assignment.
1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of
5 answers
asked by
Liz
3,386 views
What is the significance of the fact that both the horizontal force and motion are both forwards?
4 answers
asked by
Diane
775 views
Forces 10N and 50N are to be balance at the end of 1m long lever.Where should be the position of fulcrum?
5 answers
asked by
Manash
870 views
A brick of salt has a volume of 50cm^3 and a mass of 100 grams. What is its density? Show all calculations.
13 answers
asked by
Sanele
4,615 views
The coefficient of expansion of a certain steel is 0.000012 per C^(degree) . The coefficient of volume expansion, in
6 answers
asked by
jay
6,066 views
When a 644 lb boat is moving at 10fps, the motor conks out. How much farther will the boat
glide, assuming its resistance to
5 answers
asked by
sam
1,926 views
The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is
7 answers
asked by
Help
4,790 views
A 3m slinky rests on a table with a student holding each end. The students laterally shake the ends of the slinky to generate
5 answers
asked by
anonymous
1,802 views
You are in an egg drop contest which you win by breaking your egg the hardest. You drop your egg off of a 3 story building
5 answers
asked by
anonymous
1,849 views
A police car moving at 41 m/s is initially behind a truck moving in the same direction at 17 m/s. The natural frequency of the
5 answers
asked by
chloe
2,502 views
A tank 4m long, 3m wide and 2m is filled to the brim with paraffin. (density 800kg /m3) calculate the pressure on the base.
6 answers
asked by
Joel seth
2,729 views
The velocity of a particle moving along the x-axis is v(t) = t2 – 2t, with t measured in minutes and v(t) measured in feet per
5 answers
asked by
Anonymous
4,240 views
An object is thrown directly downwards from a height of 60m with an initial velocity of 11m/s. What will be its velocity on
4 answers
asked by
Danny
2,688 views
Two identical point charges are separated by a distance of 3.0 cm and they repel each other with a force of 4 X 10^-5 N. What is
5 answers
asked by
Adrian
2,543 views
A disk of radius 12 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 7.8 rad/s2.
5 answers
asked by
Kayla
2,089 views
The acceleration of a particle is defined by equation, a = - 8m/s2 .
Knowing that x = 20m where t = 4s and that x = 4m where v =
4 answers
asked by
EBENEZER
1,131 views
if the atmosphere can support a column of mercury 760 mm high at sea level, what height of a hypothetical liquid whose density
4 answers
asked by
Jenna
6,370 views
A person hits a 45-g golf ball. The ball comes down on a tree root and bounces straight up with an initial speed of 14.0 m/s.
4 answers
asked by
Caitlin
2,281 views
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