Recent questions in Physics

Question

If K.E. of an object moving with velocity 4 m/s is 72 J. Calculate mass of the object.

Swantewit asked Oct 19, 2024

by Swantewit

7.6k points

1 answer

3 votes

16.8k views

If a system has 30J of heat added to it, and it does 20J of work, what is the change in its internal energy?

Warblr asked Oct 19, 2024

by Warblr

8.1k points

1 answer

5 votes

164k views

Find the power that is absorbed/supplied by elements?

Sinan Samet asked Oct 19, 2024

by Sinan Samet

8.1k points

1 answer

3 votes

162k views

Ray-Part of a ___ (line,point,plane) that starts at a ___ (line,point,plane) and extends infinitely in one direction Parallel lines- two___ (line,point,plane)in a___ (line,point,plane) that do not intersect

Salman Raza asked Oct 19, 2024

by Salman Raza

9.0k points

1 answer

3 votes

219k views

Which type of capacitor typically has solderless, push-on "male" terminals, solder lugs, or screw-type terminals at the top of the capacitor? A) Axial lead capacitor B) Radial lead capacitor C) Electrolytic

Johnny Copperstone asked Oct 19, 2024

by Johnny Copperstone

8.2k points

1 answer

4 votes

79.6k views

What is the wavelength in picometers of light with a frequency of 9.3 × 10^18 hz?

Mehmet Sunkur asked Oct 19, 2024

by Mehmet Sunkur

8.7k points

1 answer

1 vote

176k views

A woman is standing on the earth. In terms of magnitude, her gravitational force on the earth is which of the following? a) Greater than her weight b) Equal to her weight c) Less than her weight d) Zero

Huy Tower asked Oct 19, 2024

by Huy Tower

9.1k points

1 answer

1 vote

29.8k views

A typical hard disk in a computer spins at 1000 rpm. a) What is the frequency? b) What is the period, in seconds?

Memyself asked Oct 19, 2024

by Memyself

7.7k points

1 answer

0 votes

171k views

A 30 newton force is applied to an object at an angle of 30° above horizontal. If the object is moved a distance of 10 meters horizontally along a frictionless surface using this force, what amount of

Meowmeowmeow asked Oct 19, 2024

by Meowmeowmeow

8.6k points

1 answer

2 votes

11.3k views

Recently watched video about an electromagnetic ring accelerator. I get how it works: it uses controlled electro-magnetic coils to accelerate metal balls' Passing trough one of the coils has two stages:

Gemini asked Oct 19, 2024

by Gemini

7.6k points

1 answer

3 votes

152k views

The tenuous outer atmosphere of the Sun, which lies just above the chromosphere and, at great distances, turns into the solar wind, is the _____. a) Photosphere b) Chromosphere c) Corona d) Convective

Andy Campbell asked Oct 19, 2024

by Andy Campbell

8.2k points

1 answer

1 vote

182k views

A particle moves along the x axis. Its position as a Part A function of time is given by x=6. 8t+8. 5t2, where t is in beconds and x is in meters. What is the acceleration as a function of time? Express

Sarvan Kumar asked Oct 19, 2024

by Sarvan Kumar

8.5k points

1 answer

5 votes

35.8k views

What is an alloy metal? a. A pure metal comprised of only one element. b. A metal with one or more elements added to it. c. A type of metal that has no commercial value. d. None of the above

Chandel asked Oct 19, 2024

by Chandel

8.2k points

1 answer

4 votes

222k views

Two springs are attached to two hooks. Spring A has a greater force constant than spring B. Equal weights are suspended from both. Which of the following statements is true? a) Both springs experience

Mihai Lazar asked Oct 19, 2024

by Mihai Lazar

7.9k points

1 answer

0 votes

37.3k views

Two planets have masses M and 16 M and their radii are a and 2a, respectively. The separation between the centres of the planets is 10a. A body of mass m is fired trom the surface of the larger planet

Axifive asked Oct 19, 2024

by Axifive

7.6k points

1 answer

2 votes

52.8k views

How do mountainous regions experience gravitational collapse?

Ajordat asked Oct 19, 2024

by Ajordat

8.0k points

1 answer

1 vote

28.2k views

A car drives for 3 hours at 40 mph, and then drives 300 miles at 60 mph. what is the car's average speed, in mph?

Depressio asked Oct 19, 2024

by Depressio

8.7k points

1 answer

4 votes

140k views

A fluid with ν = 5 x 10⁻⁶ m²/s flows through a 5 cm diameter pipe with 0.1 mm roughness at an average velocity of 1 m/s. What is the friction factor for this flow?

Curlew asked Oct 19, 2024

by Curlew

8.3k points

1 answer

1 vote

52.0k views

In half-wave rectification, what is the output frequency if the input frequency is 50 Hz? What is the output frequency of a full-wave rectifier for the same input frequency? a) 25 Hz, 50 Hz b) 50 Hz, 100

SnowmanXL asked Oct 19, 2024

by SnowmanXL

9.2k points

1 answer

4 votes

94.0k views

Why do helicopters have a small propeller on their tail to prevent rotating in the opposite direction of their main lifting blades? a) To counteract the torque generated by the main blades. b) It improves

Tnkh asked Oct 19, 2024

by Tnkh

8.5k points

1 answer

2 votes

104k views

Page:

« prev
1
...
896
897
898
899
900
901
902
...
1000
...
next »

Ask a Question

Recent questions in Physics

Other Questions