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Physics
Page 8
Questions (149,062)
The velocity of a particle on the x-axis is given by the differential equation dx/
dt= t^2/ 2 and the particle is at x = 4 when t
6 answers
asked by
John
1,832 views
A simple wheel and axle is used to lift a bucket of water from a well the radii of the wheel and axle are 20cm and 4cm
5 answers
asked by
Rodas
3,162 views
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 353 K. If 25.0 J of work is done
5 answers
asked by
Sean
7,775 views
a 100g sample of wate at 90oC is added to a 500g sample of water at 10oC. what is the final temperature of the water
4 answers
asked by
julius
3,041 views
For the next part, you will need to know that the position d of an object attached to a spring that oscillates with period
5 answers
asked by
k
4,828 views
An object weighs 15N in air and 13N when submerged in water. What is the density of the object.
5 answers
asked by
Striker
6,448 views
a grasshopper jumps at an angle 50 degrees from the ground with an initial velocity of 5 m/s. when air resistance is absent,
5 answers
asked by
Clevy
2,129 views
A 0.20-kg mass is hung from a vertical spring of force constant 55 N/m. When the
spring is released from its unstretched
5 answers
asked by
Syed
4,432 views
A Frisbee is thrown horizontally with a speed of 12 m/s. If the Frisbee moves a horizontal distance of 15 m, how long will it
5 answers
asked by
Jhoy
4,183 views
A 3.00 - µF and a 4.00 - µF capacitor are connected in series, and this combination is connected in parallel with a 2.00 - µF
5 answers
asked by
Nade
5,234 views
Two reasons why displacement method is not suitable when determining the volume of a charcoal?
5 answers
asked by
Michael
2,828 views
A particle is moving at 0.75c relative to a lab on Earth. By what percentage is the Newtonian expression for its momentum
in
4 answers
asked by
David
2,058 views
Which statement about electric charges is correct?(1 point)
Responses Two objects with negative charges will attract each other.
1 answer
asked by
Hi
221 views
Which statement best describes the reflection of a wave is it a wave transfers its energy to a material wave passes through the
1 answer
asked anonymously
104 views
Compared to wave A, wave B has a _____.
(1 point) Responses longer wavelength and greater frequency longer wavelength and greater
2 answers
asked by
your boy
65 views
Use the table to answer the question.
Wave λ (m) vw (m/s) L 120 600 M 150 600 N 100 600 O 50 600 The table shows information
1 answer
asked by
Jsussu
96 views
Use the table of electric force between objects in two different interactions to answer the question.
Interaction Charge on
1 answer
asked anonymously
56 views
A hole 3cm in diameter is to be punched out of a steel plate 8cm thick. The shear stress of the material is 670GPa. What load is
5 answers
asked by
Danny
5,211 views
if there are eleven resistors of 33k ohms each in parallel, what is the total resistance?
5 answers
asked by
dumon
3,373 views
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
2,447 views
A boat is travelling at 8.9km/h relative to the water in the river.The boat aims straight for the opposite bank of the river
6 answers
asked by
Has
1,352 views
1. A bottle of water is taken out of a refrigerator and put on a kitchen table. As the bottle of water warms up, what happens to
6 answers
asked by
Davion
4,171 views
A coconut of mass 2kg is on a tree of 5m tall; determine the potential energy of this height Take g=10ms^-2.
7 answers
asked by
Elvis
2,381 views
In which situation are unbalanced forces acting on an object?(1 point)
8 answers
asked by
Zachary
4,347 views
a uniform disk of moment of inertia 75kgm^2 and radius of gyration 3m rotates with an angular velocity of 2rad/s. determine d :
m
5 answers
asked by
samson
2,164 views
The headlamp of a car takes a current of 0.4A from a 12V supply. The energy produced in 5Minute is ?
18 answers
asked by
Oywumi yemi
5,470 views
A driver traveling at 50mph is 80m from a wall ahead. If the driver applies the brake
immediately at a reaction time of 2 seconds
4 answers
asked by
Abdikafi
7,628 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
4,262 views
At which point or points is the electric field zero in figure?
I can not post the picture, but this is what it looks like: 1 2 3
6 answers
asked by
Brittany
8,457 views
A 30 ohm resistor is connected in parallel with a variable resistance R. The parallel combination is then connected in series
4 answers
asked by
Oscar
13,511 views
how much energy is released to the environment by 50.0 grams of condensing water vapor?
5 answers
asked by
khasan
7,730 views
Given a 10-V power supply, would a 20-ohm resistor and a 5-ohm resistor need to be arranged in parallel or in series to generate
16 answers
asked by
Abby
3,121 views
A car slows down from 108 km/h to 90 km/h over the course of 4 s and 0.1 km. The force of the brakes was 1000 N. What is the
5 answers
asked by
Markous
2,707 views
a relative density bottle weight 20g when empty 80g when fill with water and 100g when with a liquid. find the relative density
7 answers
asked by
Anonymous
1,713 views
Two masses are hung are connected by a light cord and hung from a frictionless pulley of negligible mad are shown. Mass
6 answers
asked by
Kam
8,040 views
Two charged spheres of charge q and mass m are each hanging from strings and are at equilibrium as shown below:
Give an
4 answers
asked by
Anonymous
1,783 views
A 100g sample of water at 90 degrees celsius is added to a 100g sample of water at 10 degrees celsius.
The final temperature of
5 answers
asked by
Shellby
6,199 views
A radar gun was used to record the speed of a car (in feet per minute) during selected times in the first 2 minutes of a race.
5 answers
asked by
Deondre
4,117 views
A load of 4N extends a spring by 10mm. What load would extend it by 15mm?
5 answers
asked by
Luyando
735 views
Heat from burning a fuel is absorbed by a copper calorimeter. The calorimeter has a mass of 81.34 g and contains 200.0 g of
4 answers
asked by
lomonoyan
1,029 views
a 3200-lb elevator cab is supported by a cable in which the maximum safe tension is 4000 lb. (a)what is the greatest upward
4 answers
asked by
esther
1,924 views
The angular speed of a larger pulley wheel (radius=15cm) is 50 rev./min. Find the angular speed of the smaller wheel
4 answers
asked by
Mary
1,460 views
Which of the following correctly describes a sphere?(1 point)
4 answers
asked by
abfrmk3
490 views
The mass of the roller coaster below is 80 kg. It starts from rest at a height of 30 m and reaches a speed of 20 m/s at point B.
4 answers
asked by
Heylee Green
1,007 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
4,061 views
An eagle flying along a horizontal path drops a small snake from a height of 6.5 m while travelling 5.0 m/s. How far does the
4 answers
asked by
Michael
950 views
Use the table of observations about the electric force between charged objects to answer the question.
Charge of Object 1 (C) +1
1 answer
asked anonymously
145 views
A spring balance attched to the ceiling of an elevator supports a 10N object. In each of the following casses, tell whether
3 answers
asked by
Klari
1,021 views
How does a flashlight illustrate the law of conservation of energy
1 answer
asked anonymously
91 views
Why is glass a good insulator?(1 point)
Responses The atoms in glass hold on tightly to their negatively charged particles. The
1 answer
asked by
baby weiner
76 views
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