menu
QAmmunity.org
Recent questions in Physics
Login
Register
My account
Edit my Profile
Private messages
My favorites
Recent questions in Physics
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Recent questions in Physics
Flat line, look for loose or disconnected wires. a) Ventricular depolarization b) Ventricular contraction c) Ventricular repolarization d) Atrial depolarization
Elham
asked
Dec 24, 2024
by
Elham
7.7k
points
Physics
high-school
1
answer
2
votes
95.4k
views
Explain how the digital compass tool is the same and how it is different from a physical compass. a) The digital compass and physical compass are exactly the same. b) The digital compass is electronic,
Solidus
asked
Dec 24, 2024
by
Solidus
8.2k
points
Physics
high-school
1
answer
2
votes
15.4k
views
1 - What is the visible spectrum? a. Define wavelength. b. Explain decreasing wavelength and color. 2 - Define Infrared (IR). 3 - Explain Microwaves. 4 - Define the short wavelength range.
Beesasoh
asked
Dec 24, 2024
by
Beesasoh
8.0k
points
Physics
high-school
1
answer
1
vote
60.9k
views
A rigid tank contains 3.2 kg of water at 140 ∘ C and 400kPa. Now 48 kJ of shaft work is done on the system and the final temperature in the tank is 80 ∘ C. If the entropy change of water is zero and the
Mthurlin
asked
Dec 24, 2024
by
Mthurlin
7.4k
points
Physics
high-school
1
answer
2
votes
202k
views
I hope you can help me with this problem thank you.
Nitesh Borad
asked
Dec 24, 2024
by
Nitesh Borad
8.2k
points
Physics
college
1
answer
2
votes
122k
views
A sports car has a mass of 750 kg and can accelerate from 0 to 60 mph in about 6 seconds. This corresponds to an acceleration of 4.4 m/s2. The driving force of the car is about 4000N between 0 and 60mph.
Afshin Gh
asked
Dec 24, 2024
by
Afshin Gh
8.3k
points
Physics
high-school
1
answer
4
votes
58.2k
views
Which are the common characteristics of fishes, birds, mammals, reptiles and amphibians? They possess mammary glands. They are invertebrates. They are all warm-blooded. They are vertebrates.
Kees Hak
asked
Dec 24, 2024
by
Kees Hak
8.4k
points
Physics
high-school
1
answer
4
votes
4.3k
views
Zorch, an archenemy of Superman, decides to slow Earth’s rotation to once per 28.0 h by exerting an opposing force at and parallel to the equator. Superman is not immediately concerned, because he knows
Xorinzor
asked
Dec 24, 2024
by
Xorinzor
7.2k
points
Physics
high-school
1
answer
4
votes
127k
views
A car travels at 25 m/s to the north. It has an acceleration of 2 mi./s squared to the south for a duration of 20 seconds. What is the final velocity of the car?
Davewasthere
asked
Dec 24, 2024
by
Davewasthere
9.2k
points
Physics
high-school
1
answer
4
votes
212k
views
a child drops a brick from the top of a well and it hits the water 2 seconds later. the distance from the top if the well to the water level is most nearly
Artem Matiushenko
asked
Dec 24, 2024
by
Artem Matiushenko
8.2k
points
Physics
college
1
answer
4
votes
198k
views
A 25kg cart speeds up from 30m/s to 50m/s in 4 seconds. What netforce acts on it?
Doyin
asked
Dec 24, 2024
by
Doyin
8.8k
points
Physics
high-school
1
answer
3
votes
107k
views
If the initial change in temperature due to the introduction of greenhouse gasses into the atmosphere is 1K and the feedback constant g is .5, how large will the final temperature increase be?
Bhavesh Shaha
asked
Dec 24, 2024
by
Bhavesh Shaha
7.8k
points
Physics
high-school
1
answer
0
votes
143k
views
Under which condition would a body of rock be most likely to exhibit brittle behavior? A) High temperature B) High pressure C) Low temperature D) High humidity
Dennis Gorelik
asked
Dec 24, 2024
by
Dennis Gorelik
7.8k
points
Physics
high-school
1
answer
5
votes
107k
views
The speed at point 1 is less than the speed at point 4. a)True b)False
Chinese Cat
asked
Dec 24, 2024
by
Chinese Cat
8.5k
points
Physics
high-school
1
answer
5
votes
7.0k
views
Underground water is to be pumped by an 78% efficient 5-kw submerged pump to a pool whose free surface is 30 m above the underground water level. the diameter of the pipe is 7 cm on the intake side and
Lesleh
asked
Dec 24, 2024
by
Lesleh
8.0k
points
Physics
high-school
1
answer
3
votes
225k
views
What are battery-operated devices designed to deliver nicotine with flavorings and other chemicals in the form of vapor instead of smoke called?
Jeroen Jacobs
asked
Dec 24, 2024
by
Jeroen Jacobs
7.4k
points
Physics
high-school
1
answer
0
votes
103k
views
Delivers an electromagnetic pulse to a specific region of the brain in order to temporarily deactivate that region A) EEG B) fMRI C) TMS D) PET scan
Zhecsan
asked
Dec 24, 2024
by
Zhecsan
8.4k
points
Physics
high-school
1
answer
1
vote
29.7k
views
A 500-N girl standing on a dock exerts a force of 100 N on a sailboat as she pushes it away from the dock. Describe the amount of force that the sailboat exerts on the girl. a) 400 N b) 100 N c) 500 N
Yushizhao
asked
Dec 24, 2024
by
Yushizhao
8.3k
points
Physics
high-school
1
answer
0
votes
32.3k
views
When capacitors are wired in series what must be the same for the two capacitors? A) Voltage B) Capacitance C) Resistance D) Current
Fscof
asked
Dec 24, 2024
by
Fscof
8.5k
points
Physics
high-school
1
answer
1
vote
82.9k
views
A disc of mass 3kg and radius 50cm rotate on a horizontal plane about a fixed point through it's center into an angular velocity of 40rad if it is brought to rest in 5sec calculate it's angular acceleration
Dakkaron
asked
Dec 24, 2024
by
Dakkaron
8.6k
points
Physics
college
1
answer
0
votes
179k
views
Page:
« prev
1
...
57
58
59
60
61
62
63
...
1000
...
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
Compare and contrast an electric generator and a battery??
Who made dutch claims in north america?
How did world war 1 affect the racial and ethnic makeup of american cities
Who was the boy who became king at the age of 9?
Search QAmmunity.org