Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Page 43
Questions (147,215)
1.A vibrating object completes 240 cycles in 15 s. What is its frequency, in hertz?
240 Hz 16 Hz 0.0625 Hz 15 Hz 2.A standing
5 answers
asked by
liz
2,436 views
A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 40 cm/s. Find the rate at which
5 answers
asked by
Tim
17,109 views
Three wire-wound resistors have the following values: 30 ohms, 80 ohms, and 100 ohms. Each resistor has a voltage rating of
5 answers
asked by
Anonymous
6,405 views
At 32°C and 205 kpa gauge. The specific weight of a certain gas was 13.7 N/m³. Determine the gas constant of this gas.
7 answers
asked by
Aaron
6,181 views
A force of 25N causes an acceleration of 2m/s^2 when acting on a 7kg mass. What is the frictional force also acting?
If body is
4 answers
asked by
Janine
2,160 views
A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The particle rebounds with a
4 answers
asked by
Anonymous
7,947 views
LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG.
7 answers
asked by
Jessica
4,385 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
328 views
Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.Explain
12 answers
asked by
Anonymous
4,365 views
what voltage must be applied to a 6.4-ohm lamp filament to develop 20 amperes of current?
5 answers
asked by
roland
2,319 views
According to Boyle's law, the pressure p of a compressed gas is inversely proportional to the volume, v. If a pressure of 20
9 answers
asked by
Roger
3,852 views
Examine the scenario.
1)Two different objects are brought close to one another. The objects pull, or attract, each other. Which
9 answers
asked by
Lyssa
2,871 views
In a series circuit, the total voltage provided by the battery _________.
a. is equal to the voltage across each component b. is
5 answers
asked by
random
5,476 views
what is the pressure at apoint 10 m below the free surface in fluid that has with solution variable density in kg/m3 given by
4 answers
asked by
mamush
1,659 views
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the
4 answers
asked by
ANONYMOS
10,358 views
The red supergiant Betelgeuse has a surface temperature of 3600 K.
a) Using the fact that the Sun's surface temperature is about
5 answers
asked by
Tsambikos
3,761 views
what is the wavelength in nm of radiation having a frequency of 2.45x10^9Hz
6 answers
asked by
plssss!
5,619 views
An airplane has an airspeed of 450 km/hr bearing N45E. The wind velocity is 30 km/hr in the direction N30W. What is the ground
4 answers
asked by
VEJ
4,187 views
A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to
7 answers
asked by
Derek
3,128 views
A charged sphere with an initial speed v0 has a final speed 2v0 when accelerated through a potential difference ΔV0 . What
4 answers
asked by
Amber
5,666 views
Within the Gaetz Lake Sanctuary in Red Deer, Alberta, is a looped trail that is 4 km long. Suppose a person walked all the way
5 answers
asked by
Emmanuel
2,499 views
Forces of 2.4 N and 1.8 N act on an object at right angles to one another. What is the magnitude of a third force acting on the
4 answers
asked by
Theo
3,284 views
A child weighing 200 newtons is sitting in the center of a swing. the swing is supported evenly by two ropes, one on each side.
4 answers
asked by
unknown
2,993 views
Typically, a tennis ball hit during a serve travels away at about 51 m/s. If the ball is at rest mid-air when struck, and it has
6 answers
asked by
Jason
5,086 views
an ungraduated mercury thermometer attached to a millimeter scale reads 22.8mm in ice and 242mm in steam at standard pressure.
7 answers
asked by
kate
2,237 views
A man 2 meters tall walks at the rate of 2 meters per second toward a streetlight that's 5 meters above the ground. At what rate
5 answers
asked by
Mishaka
7,191 views
At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of
5 answers
asked by
Jared
7,932 views
Two people are carrying a box. One person exerts a force of 150 pounds at an angle of 62.4 degrees with the horizontal. The
5 answers
asked by
Anonymous
4,426 views
Which scenario shows radiation?(1 point)
Responses Eggs boil in a pot of water. Eggs boil in a pot of water. The air under a
4 answers
asked by
meli
514 views
The resistance ( R ) to a motion of a car is partly constant and partly varies as the square of the speed ( V ) When the car is
5 answers
asked by
Andrew
1,139 views
A paperweight is thrown straight up with an initial upward velocity of 60 meters per second and an initial height of 6 meters.
5 answers
asked by
Lauren
2,474 views
An object on Earth falls with an acceleration of a=9.81 m/s^2. A function exists between the height from which the object falls,
4 answers
asked by
Heaven
3,970 views
A lawn mower is pushed a distance of 100 ft. along a horizontal path by a constant force of 60 lbs. The handle of the lawn mower
4 answers
asked by
mynameisundefined
4,001 views
what value of resistance should be placed.in parallel with 50microfarad capacitor in order to have a total power factor of 0.8
5 answers
asked by
Student
2,902 views
A baseball is thrown into the air with an upward velocity of 30 ft/s. Its height h, in feet, after t seconds is given by the
6 answers
asked by
Bella
7,868 views
A trombone player stands at the end zone (x = 0) of a football field and begins to play its fundamental tone. Assume the
5 answers
asked by
tyger2020
2,044 views
You are a 70kg astronaut floating at rest in zero gravity holding your laptop. Your hard drive turns on (increasing from 0 to
5 answers
asked by
anonymous
1,941 views
the p.d of 12v is applied to a 7.5 resistance for a period of 5seconds. calculate the electric charge transferred in this time
5 answers
asked by
violet
2,105 views
distance=8m,speed=42/5centimeter/sec,time=?
5 answers
asked by
rahul
3,411 views
The energy of an X-RAY quantum of wavelength 1.0 X 10^-10 m is.
its answer is 1.99 X 10^ -15, but i don't know how to solve it ,
5 answers
asked by
Shahab Mirza
2,272 views
1. In moving an object of mass 10 kg through a distance of 8.0 m, 40 J of work is done. The average force exerted is?
my answer:
45 answers
asked by
Lisa
3,700 views
A 75 kg man weighs 735 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 15% of his
6 answers
asked by
Anonymous
5,758 views
A slab of ice floats on a freshwater lake.
What minimum volume must the slab have for a 50.0kg woman to be able to stand on it
4 answers
asked by
shree
11,961 views
Levers Quick Check
A class __ lever never has a mechanical advantage. A class __ lever always has a mechanical advantage. A class
4 answers
asked by
X
783 views
A car m = 1850 kg is traveling at a constant speed of v = 30 m/s. The car experiences a force of drag (air resistance) of Fd =
4 answers
asked by
carlo
8,039 views
Three objects are moving along a straight line as shown in the figure. Taking the positive direction to be to the right, what is
7 answers
asked by
Anonymous
14,770 views
An X-ray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV.
What is the
5 answers
asked by
Amy
12,841 views
A light rope is wrapped several times around a large wheel with a radius of 0.435 m. The wheel?
A light rope is wrapped several
4 answers
asked by
BB
3,571 views
A kickoff sends a football with an initial velocity of 25 m/s at an angle of 50 degrees above the horizontal.
a) find the x and y
7 answers
asked by
C.
12,019 views
a point particle with charge q= 4/5 uC is placed on the x-axis at x=-10cm. A second particle of charge Q is now placed on the
5 answers
asked by
J Velji
2,071 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (73)
Academic Subjects
Academic Success
Academic Support
Academics
Advanced Placement (AP) Courses
Applied Mathematics
Applied sciences
Baseball
Basic Science
Biology
Career guidance
Education
Education/Science
Educational Question
Engineering
Examinations
Experiments
Golf
High School
Homework Help
Homework Help Forum
Learning Science
Math
Math and Science
Math/Science
Mathematics
Mathematics and Science
Natural Science
Natural Sciences
Online Learning/Tutoring
Physical Science
Physical Sciences
Problem Solving
Problem-solving steps
Science
Science & Nature
Science & Research
Science and Astronomy
Science and Education
Science and Engineering
Science and Math
Science and Mathematics
Science and Measurement
Science and Medicine
Science and Nature
Science and Riddles
Science and Technology
Science Education
Science Experiment
Science Experiments
Science Fair Project
Science Fair Projects
Science or Mathematics
Science or Natural Sciences
Science, Technology, Engineering, Mathematics (STEM)
Science/Energy
Science/Engineering
Science/experimentation
Science/Mathematics
Science/Technology
Sciences
Scientific Concepts
Scientists
Soccer
STEM
STEM (Science, Technology, Engineering, and Math)
STEM (Science, Technology, Engineering, and Mathematics)
STEM (Science, Technology, Engineering, Mathematics)
Technical Support
Technology/Science
Tennis
Test Preparation
Word Problems