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Physics
Page 5
Questions (146,416)
In one or two sentences, describe a scenario using the combined gas law in which changes occur in pressure and temperature of an
3 answers
asked anonymously
179 views
If 750 m of 3.00-mm-diameter wire has a resistance of 27.6, what length of similar wire 5.00 mm in diameter will have the same
5 answers
asked by
Marie
3,367 views
Hi guys how do I calculate residual driving force, driving force is 3000 air resistance is 370 N and rolling resistance is 160
7 answers
asked by
Anonymous
2,269 views
if there are eleven resistors of 33k ohms each in parallel, what is the total resistance?
5 answers
asked by
dumon
3,336 views
a rope is strung between two cliffs. A mountain climber weighing 100 kg is halfway across the rope when the rope forms an angle
7 answers
asked by
Kathleen
5,045 views
When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of
13 answers
asked by
who dat
1,964 views
How do you calculate the work done on an object when you push it?(1 point)
You subtract the force you apply from the distance
15 answers
asked by
connexions perosn
6,277 views
what is the difference between mass and weight?
The mass of an object is the amount of matter it contains, while its weight is a
15 answers
asked by
Nick J.
7,722 views
A student drops a basketball into a pool from a height of 5 meters while her friend records the approximate splash height. They
39 answers
asked by
i need to know
21,806 views
A car travels 240km in 2hr. And the sprinter travels 100m in 9.5 seconds. which one is traveling faster and by how much ?
7 answers
asked by
brianna
8,166 views
a crate weighing 562 newtons is resting on an inclined plane 30 degress above the horizontal. Find the components of the weight
7 answers
asked by
amirah
6,131 views
A 15.0 Ohms resistor is connected in series to a 120V generator and two 10.0 Ohms resistors that are connected in parallel to
4 answers
asked by
Rony
7,398 views
Two point charges that have charge values of 4.0 X 10^-6 C and -8.0 X 10^-6 C, respectively, are separated by 2.4 X 10^-2 m.
4 answers
asked by
Anonymous
4,666 views
to strengthen his arm and chest muscles, an 82-kg athlete who is 2.0 m tall is doing push ups. his center of mass is 1.15 m from
5 answers
asked by
Sam
7,882 views
A clam is dropped by a seagull it takes 3 seconds to hit the ground. what is the seagulls height approximate height above the
5 answers
asked by
Anonymous
9,910 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
4,847 views
A tennis ball is dropped down a stairwell.
Which statement BEST describes the energy of the tennis ball? A. The tennis ball’s
4 answers
asked anonymously
227 views
the distance that a body falls through when dropped from a certain height varies directly with the square of the time of fall. A
7 answers
asked by
nimal
3,091 views
The Design World Unit Test
1,Which statement is true about the two metals used in batteries? The two metals have opposite
4 answers
asked by
Irisslove
1,376 views
A golf ball was hit and projected in an angle of 60 degrees with the horizontal. if the initial velocity of the ball was 50m/s,
6 answers
asked by
YellowCorn
14,381 views
In one or two sentences, make and justify a claim about the frequency of a wave if the wavelength increases and the velocity
12 answers
asked by
simpforlevi
4,263 views
A stuntman drives a motorcycle off a 350 m cliff going 70 mph. The angle of elevation of the cliff is 21 degree. He is hoping to
7 answers
asked by
Anonymous
4,474 views
The Li2+ ion is hydrogenic and has a Lyman series at 740747 cm-1, 877924 cm-1, 925933 cm-1,and beyond. Show that the energy
5 answers
asked by
John
3,051 views
If a load of 100N is applied to a wire,the extension is 0.01m. Calculate the energy stored in the wire.
17 answers
asked by
Joshua
2,230 views
What is the surface tension of water at 23 degrees Celsius?
5 answers
asked by
Jane
2,466 views
Two tanks are engaged in a training exercise on level ground. The first tank fires a paint-filled training round with a muzzle
4 answers
asked by
Anonymous
3,421 views
A child on a toboggan slides down a hill with an acceleration of magnitude 1.5 m/s^2. If friction is negligible, what is the
5 answers
asked by
Lucy X
4,803 views
I was wondering if my answers are correct.
1. A 50kg person is taking a ride on an elevator travelling up at a steady speed of
7 answers
asked by
Liz
5,020 views
How much heat is required to heat 0.1 g of ice at −30 C to steam at 100 C? Use the approximate values below for your
5 answers
asked by
please help !
2,690 views
Two spheres are attached to two identical springs and
separated by 8.0 cm, as in Figure 14. When a charge of 2.5 106 C is placed
5 answers
asked by
Harsh
2,120 views
A student kicks a 2 kg soccer ball with a force of 50 N. Calculate the acceleration of the soccer ball. Please show your work.(2
1 answer
asked anonymously
55 views
The position of an object connected to a spring varies with time according to the expression x = (7.1 cm) sin (2.1π t). Find
(a)
4 answers
asked by
Tom
7,068 views
Which unit is used to measure force?(1 point)
11 answers
asked by
sebastian chapa
2,823 views
Calculate q when 22.0 g of water is heated from 25.0°C to 100.0°C.
4 answers
asked by
Someone
9,149 views
A particle moves along a line so that at time t, where 0<=t<=pi, its position is given by
s(t)= -4cost-((t^2)/2)+10 What is the
7 answers
asked by
Rachel
12,993 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
1,323 views
Which phrase describes radioactive decay?(1 point)
the triggering of one reaction by the products of another the joining of small
10 answers
asked by
DesperateScienceHelper
3,949 views
a concave mirror has a radius of curvature of 0.4 m find the position and the size of the image of an object 0.2 m high placed
5 answers
asked by
namanpreet
7,067 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
2,144 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
4,234 views
A wheel with rotational inertia I is mounted on a fixed, fricitonless axle. The angular speed w of the wheel is inccreased from
11 answers
asked by
Tammy
18,000 views
A roughly spherical asteroid with a diameter of 1 km, and a mean density of 4 g/cm^3, hits the Earth with a relative speed 1.5
8 answers
asked by
qwerty
5,557 views
a boy tosses a coin upward with a velocity of 14.7 m/s.
a. find the maximum height reached by the coin. b. time of flight c.
7 answers
asked by
jenalyn calimag
19,268 views
A body of mass is 5kg moving with a velocity of 20m due south hits a stationary body of mass is 3kg if they move together after
5 answers
asked by
Amara
3,633 views
Three capacitors, each of capacitance 120 pF, are each charged to 500 V and then connected in series. Determine (a) the
5 answers
asked by
Jobs
3,380 views
A spiral spring is compressed by 0.04m. Calculate the energy stored in the spring if the force constant is 400N/m... pls I need
6 answers
asked by
Okpe-Lewis A.L.H Emmanuella
3,146 views
A 1.00-kg duck is flying overhead at 1.50 m/s when a hunter fires straight up. The 0.010 0-kg bullet is moving 100 m/s when it
4 answers
asked by
jillian
5,238 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.04x2+
5 answers
asked by
Fiddle sticks!
1,869 views
A car traveling 16.0m/s crashes into concrete embankment and stops in 0.08s. Calculate:
the initial speed in mi/hr the average
4 answers
asked by
MARIE
812 views
¬Calculate the period of oscillation of a simple pendulum of length 1.8 m, with a bob of mass 2.2 kg. What assumption is made
4 answers
asked by
Anonymous
2,064 views
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