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Physics
Page 10
Questions (149,767)
Use the table of electric force between objects in two different interactions to answer the question.
Interaction Charge on
1 answer
asked anonymously
65 views
Physics B Semester Exam 30 of 3030 of 30 Items Question Identify which process of wave transfer is responsible for medical
1 answer
asked anonymously
36 views
A typical volume of a modern hot air balloon is 2500 cubic metres, and a typical maximum temperature of the hot air is 120
5 answers
asked by
Luis
7,336 views
1. Determine the effort required to lift a load of 100 N using:
(a) Using a single fixed pulley (b) A single movable pulley (c)
5 answers
asked by
Mustafa khamis shaaban
362 views
Determine the enthalpy of 5.0 kg of water at 850 kpa
5 answers
asked by
Nafa
836 views
if the 5-ohm heater in problem 15 is placed with a 15-ohm heater, what current will the 15-ohm heater draw from the same power
5 answers
asked by
roland
1,855 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
11,932 views
1. Which list presents the four fundamental forces in order of relative strength from weakest to strongest?
A. electromagnetism,
5 answers
asked by
Bradly
4,875 views
An FM radio station transmits radio signals that have a wavelength of 3.2m. Where would you have to adjust your tuner in order
6 answers
asked by
Kayla
4,711 views
The following samples are all water. Other than the temperature, all the water samples are identical. Which of the four samples
1 answer
asked by
kali
167 views
a string can hold up 12 kg without breaking. You tie the string to a 30kg object sitting on ice and use it to pull the object
5 answers
asked by
John
3,276 views
Three forces with magnitudes of 70 pounds, 40 pounds, and 60 pounds act on an object at angles of -30 degrees, 45 degrees, and
5 answers
asked by
Hannah
5,232 views
if it takes 31,500 joules of heat to warm 750g of water, what was the temperature change?
My answer: Q = (M) (DeltaT) (c) Delta
5 answers
asked by
sam
6,054 views
An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the
6 answers
asked by
Hannah
6,413 views
Find the resultant of two vectors of 3 units and 4 units acting at a point 0 at an angle of 45 degrees with each other
14 answers
asked by
Yemi
4,274 views
An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic
7 answers
asked by
Nicole
16,850 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
13,113 views
the negative charge distribution over the surface of two isolated spheres is depicted in the diagram. one of the spheres is made
5 answers
asked by
maria
4,463 views
A box weighing 100 newtons is pushed up an inclined plane that is 5 meters long. It takes a force of 75 newtons to push it to
7 answers
asked by
chris
6,426 views
A light ray incident upon a mirror makes an angle of 36 with the mirror , what is the angle between incident ray and the
4 answers
asked by
=
2,760 views
Wayne pulls a 305 N sled along a snowy path using a rope that makes a 45.0° angle with the ground. Wayne pulls with a force of
5 answers
asked by
Merlin
6,050 views
a uniform pole 20 ft. long weighing 80 lbs is supported by a boy 2 ft. from end a and a man 5 ft. from end b. at what point
4 answers
asked by
Anonymous
6,515 views
You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. Determine
5 answers
asked by
Dominique
9,412 views
A refrigerator has a coefficient of performance of 4.0. When removing 2.4x10^4 J from inside the refrigerator, how much energy
4 answers
asked by
Q
5,457 views
A car with a mass of 1500kg starts from rest and accelerates to a speed of 18m/s in 12s. Assume that the force of resistance
5 answers
asked by
Anonymous
4,579 views
calculate the total amount of head absorbed (in kj) when 2.00 mol of ice at -30.0C is converted to steam at 140.0 C
4 answers
asked by
colonial
1,873 views
a stone is dropped from a 75m building. when a stone has dropped 15m, a second stone was thrown downward with an initial
5 answers
asked by
Oscar Zambrano
3,730 views
a light string 4 meters long is wrapped around a solid cylindrical spool with a radius of 0.075 m and a mass of .5 kg.a 5kg mass
5 answers
asked by
mariel
6,976 views
A uniform meter rule is balanced at 30cm mark when a mass of 50g is hanging from its zero mark. calculate the weight of the
5 answers
asked by
sidney
1,862 views
A ball of mass 500g is kicked into the air at angle of 45degree. It reaches a height of 12m. What was it's initial velocity?
7 answers
asked by
Sam
3,331 views
In a diagram of electric field lines, q1 has 9 lines going into it and q2 has 27 lines going out of it. If one of
the charges is
4 answers
asked by
Anonymous
2,110 views
A ball is thrown towards a vertical wall from a point 2m above the ground and 3m from the wall. the initial velocity of the ball
8 answers
asked by
ridhi
3,151 views
current through a device is 0.30 A, and the resistance in the device is 40 Ù. How many 1.5 V batteries are required to run the
4 answers
asked by
Pat
2,627 views
A spiral spring extends from length 10.01m to 10.00cm when a force of 20N is applied on it. Calculate the constant force
14 answers
asked by
lola
4,629 views
Each of the four wheels of a car push on the road with a force of 4.0*10^3 N [down]. The driving force on the car is 8.0*10^3 N
4 answers
asked by
Maggie
1,726 views
Ronald Johnson, who is 80.0 kg, is running at 4.00 m/s when he suddenly jumps onto a stationary playground merry-go-round at a
4 answers
asked by
J
904 views
A string with a linear density of 0.035 kg/m and a mass of 0.014 kg is clamped at both ends. Under what tension in the string
4 answers
asked by
Tina
2,613 views
A spiral spring of natural length of 20.0cm has a scale pan hanging freely on its lower end. When an object of mass 40g is
4 answers
asked by
Grace
2,240 views
a 50 kg block is placed on an inclined plane with an angle of 30. then find the components of the weight (1)perpendicular
4 answers
asked by
shahanshah
2,300 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
208 views
calculate the volume occupied by 10^22 molecules of a gas 300 k and 760 mm pressure.
please help me please...................
4 answers
asked by
abby
4,068 views
STATE HOOKES LAW. WHAT IS THE FORCE REQUIRED TO PRODUCE AN EXTENSION OF 1CM. IF AN EXTENSION OF 8.0CM CAN BE PRODUCED BY A LOAD
3 answers
asked by
AMINAT
276 views
Given DIAGRAM 1.1 where FT means Tension and W means Weight, calculate the tension on the steel cable given the following
2 answers
asked anonymously
146 views
According to Kepler’s second law of motion, which statement describes the area swept out by a line between a planet and the
2 answers
asked by
bakubro
122 views
Check all the conditions to meet Pascal's principle.
The fluid must be incompressible. The fluid must be pure and homogenous. The
2 answers
asked anonymously
156 views
variable force given as F→=2yi^+7xj^ moves a particle along a parabolic given as y=3x2 from the origin (0, 0) to a point (3,
1 answer
asked by
LørdySmårt1SS
57 views
Wave Characteristics Quick Check
1 of 5 1 of 5 Items Question Which type of wave needs a medium to travel?(1 point) Responses
1 answer
asked anonymously
67 views
Gravity and Air Resistance Quick Check
1 of 41 of 4 Items Question Which statement explains why astronauts appear to bounce when
5 answers
asked by
wasssupppp
96 views
In one or two sentences, make and justify a claim about two aspects of the picture that illustrate behaviors of light.
1 answer
asked by
aaagtuygy
55 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
aaagtuygy
57 views
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