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Physics
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Questions (147,186)
You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is
6 answers
asked by
anton
28,952 views
A spring 20cm long is stretched to 25cm by a load of 50N.What will be its length when stretched by 100N assuming that the
33 answers
asked by
Bamiduro
21,802 views
What is water that vanish out of an open container in terms of kinetic molecular theory of matter
4 answers
asked by
Given
262 views
1.Which example represents a class 2 lever?(1 point)
tweezers plucking hairs salad tongs picking up salad a screwdriver opening a
30 answers
asked by
mia
10,544 views
Use the table to answer the question.
Object Charge (C) A +1 B +2 C –1 D –2 Assuming other factors are held constant, which
13 answers
asked by
Gio
5,905 views
The Speed Of Sound Quick Check
1.) Which statement correctly compares the speed of sound in solids and gases? -The speed of sound
35 answers
asked by
weakinsomniac
13,306 views
How can a stationary metal sphere have kinetic energy, the energy of motion?
1 answer
asked anonymously
147 views
Two skydivers of different masses jump from a plane. In three to five sentences, explain how their falls compare, including the
34 answers
asked by
Yiam
6,391 views
Just wanted to give out answers
For the kinetic and thermal energy quick check 1.What is kinetic energy? the energy of motion 2.
20 answers
asked by
Hail Hydra
12,380 views
Use the equation to answer the prompt.
10 6C→10 5B+ 0+1e A student claims that the equation models beta-minus decay because the
5 answers
asked by
berry's and cream
7,859 views
1. why do two electrons repel when they interact? because they both have similar negative electric charge.
2. which of the
10 answers
asked by
connexus student
9,273 views
PLEASE CHECK MY ANSWERS-------------------------------------------------
An object falls through the air, gaining speed as it
49 answers
asked by
Anonymous
26,053 views
Suppose you drop a tennis ball from a height of 9 feet. After the ball hits the floor, it rebounds to 80% of its previous
7 answers
asked by
Keith
4,237 views
A level fight bomber flying at 300 ft/s releases a bomb at an elevation of 6400 ft. Approximately how long before the bomb
5 answers
asked by
Angel
3,081 views
Which statement best describes the refraction of light as it moves from air to glass? ( point) Light undergoes diffraction due
7 answers
asked by
anonymous
3,911 views
X ray technicians wear protective gear to keep them safe from the x rays. Why are the X rays dangerous
A: They have long
15 answers
asked by
Mystery
2,220 views
A track star in the long jump goes into the jump at 12 m/s and launches herself at 20.0° above the horizontal. How long is she
7 answers
asked by
Sarah
22,495 views
Stored Energy Changes I Quick Check
1. A horseshoe magnet is moved toward a pile of iron shavings. The iron shavings divide and
24 answers
asked by
Connexus Student
19,224 views
Which describes a difference between solar wind and geomagnetic storm? Select the three correct answers
2 answers
asked anonymously
164 views
A body is displaced through a certain distance x by a force of 30 newtons.if the work done is 100 joules and the displacement is
21 answers
asked by
CHIDIEBERE
8,036 views
A 5-lb force acting in the direction of (5, -3) moves and object just left over 12 ft. from point (0, 6) to (7, -4). Find the
6 answers
asked by
ADOG
3,427 views
Which statement best describes the reflection of a wave?
4 answers
asked by
Need to know
296 views
the normal acceleration of a particle on the rim of a pulley 10 ft in diameter is constant @ 8000 ft/s^2. determine the speed of
4 answers
asked by
fatz
5,013 views
An oceanographer measured a set of sea waves during a storm and modelled the vertical displacement of waves in meters using the
5 answers
asked by
Farah
3,576 views
modeling fusion quick check
19 answers
asked by
help
4,381 views
Energy Release Quick Check?
7 answers
asked by
PJ
4,326 views
Which of the following are the two quantities whose functional relationship is described in the given graph?
(1 point) Responses
1 answer
asked by
Uncle moe last name lester
195 views
What is the function of the core of an electromagnet?(1 point)
Responses The core provides the conductor through which electric
5 answers
asked by
meli
882 views
A spiral spring loaded with a piece of metal extends by 10.5cm in air. When the mental is fully submerged in water, the spring
6 answers
asked by
Joker
3,956 views
Which of the following is an example of kinetic energy transfer?
18 answers
asked by
please help
8,327 views
A batted baseball leaves the bat at an angle of 30 degrees above the horizontal and is caught by an out fielder 400ft from the
4 answers
asked by
Nono
9,852 views
You hold one end of a rope and pull horizontally with a force of 65N. Calculate the tension in the rope if the other end is tied
5 answers
asked by
saffat
3,681 views
A wave of amplitude 4.0 meters interferes with a second wave of amplitude 6.0 meters. If both waves are positive, what is the
11 answers
asked by
PLEASE 🥺
2,171 views
An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle. The total
7 answers
asked by
Parag
7,848 views
The girl in the picture is at the highest point in swinging and starts to come down. Which statement best describes the changes
46 answers
asked by
carson
13,090 views
In which case would the kinetic energy of particles be increasing? (1 point)
Metal is melted at 1,300°C. Metal is at room
58 answers
asked by
Daniel
23,388 views
A machine’s efficiency is determined to be 60%. The input work is 3,000 joules. What is the output work?
A) 180,000 joules B)
6 answers
asked by
Nobody
2,098 views
an arrow is shot at a 30 degree angle with the horizontal. it has a velocity of 49 m/s how high will the arrow go? what
5 answers
asked by
Alexis
17,950 views
A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, as shown in the figure (see
4 answers
asked by
Anonymous
12,433 views
explain briefly why a razor blade floats in water and when soap solution is carefully added to the water it sinks
6 answers
asked by
jamie
2,186 views
A 4kg block is lowered down a 37° incline a distance of 5m from point A to point B. A horizontal force (F = 10 N) is applied to
4 answers
asked by
ATT
10,586 views
A diver leaves a 3-m board on a trajectory that takes her 2.7m above the board and then into the water 2.9m horizontally from
5 answers
asked by
PLS HELP!!
6,878 views
A thin uniform rod has a length of 0.550 m and is rotating in a circle on a frictionless table. The axis of rotation is
5 answers
asked by
Sarah
4,099 views
A giant model of a magnet is being built for a museum exhibit. What is the total surface area of the prop that will need to be
1 answer
asked anonymously
140 views
Please help...
Let g be the acceleration due to gravity at the surface of a planet of radius R. Which of the following is a
4 answers
asked by
Kelly
4,551 views
A uniform half metre rule is freely pivoted at the 15cm Mark and it balanced horizontally when a body of mass 40g is hung from
7 answers
asked by
Deborah
8,276 views
What is kinetic energy
12 answers
asked by
Arnny
2,487 views
A person standing 2.0m in front of an amusement park mirror notice that his image is 3 times taller and erect what is the radius
5 answers
asked by
Vaishali
4,419 views
Physics Question Please Help?
A wire, 20.0 m long, moves at 4.0 m/s perpendicularly through a magnetic field. An EMF of 40V is
7 answers
asked by
Crystal
3,605 views
A daredevil drives a motorcycle around a circular vertical wall 100 ft in diameter. The coefficient of friction between tires
5 answers
asked by
16
5,240 views
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