Recent questions in Physics

Question

a round pipe of varying diameter carries petroleum from a wellhead to a refinery. at the wellhead, the pipe's diameter is 53.5 cm (0.535 m) and the flow speed of the petroleum is 11.9 m/s. at the refinery,

Awa Melvine asked Jul 5, 2023

by Awa Melvine

5.7k points

1 answer

3 votes

142k views

A student passes a magnet over 10 grams of a powder. Four grams of the powder stick to the magnet, while 6 grams do not. Which of these identifies the substance? O element O compound O mixture O solution

Egvo asked Jul 4, 2023

by Egvo

6.5k points

1 answer

1 vote

197k views

Calculate the following:How much energy is released by the conversion of 4.2 x 10^-5 kg of mass to energy?How much mass must be converted to energy to produce 1.00 J of energy?

Yang Yun asked Jul 4, 2023

by Yang Yun

6.3k points

1 answer

2 votes

9.3k views

Hello! Would you please help me with this physics problem?

Louis Lac asked Jul 4, 2023

by Louis Lac

5.9k points

1 answer

2 votes

137k views

Which of the following claims is best supported by the information in the passage, figure, or observations? a. Sound travels very fast. b. Sound cannot move through objects. c. Some animals can't hear

RepDetec asked Jul 4, 2023

by RepDetec

5.8k points

1 answer

3 votes

205k views

A body with an initial velocity of 8 m/s moves along a straight line with constant acceleration and travels 640m in 40 seconds. For the 40s interval, find the (a) final velocity and (b) acceleration.

Ibrewster asked Jul 4, 2023

by Ibrewster

6.1k points

1 answer

4 votes

161k views

A baseball is thrown at 8.7 m/sec and it stayed in the air for 3.5 sec. How far did it go? 12.2 m 2.5 m 0.40 m 30.5 m

John Moon asked Jul 4, 2023

by John Moon

5.4k points

1 answer

4 votes

209k views

Which law represents a balanced chemical equation? A. Avogadro’s hypothesis B. ideal gas law C. law of conservation of mass D. Newton’s first law of motion E. Newton’s second law of motion

Martyman asked Jul 4, 2023

by Martyman

5.7k points

1 answer

6 votes

172k views

A small bar magnet pulls on a larger one with a force of 79 Newtons. What is the magnitude of the force the larger one exerts on the smaller one? Answer in units of N.

Anthonycr asked Jul 4, 2023

by Anthonycr

5.8k points

1 answer

1 vote

160k views

Why don't animals that use electricity electrocute themselves.

Liam G asked Jul 4, 2023

by Liam G

5.4k points

2 answers

5 votes

223k views

It takes a time t = 0.64 s for a record to revolve on a record player once. A particular point on the record moves past the needle at a speed of vn = 1.02 m/s. what is the raduis at which the needle is

Polesen asked Jul 4, 2023

by Polesen

6.5k points

2 answers

4 votes

55.6k views

A 0.550-kilogram ball attached to a string swings along a circularpath of radius 0.250 meter, as shown. The instantaneous linearspeed of the ball is 2.15 meters per second. What is the tension inthe string?

Ankit Soni asked Jul 4, 2023

by Ankit Soni

5.7k points

1 answer

1 vote

56.9k views

What is Energy? 1) The ability to run really fast for a long time 2) The ability to stay wake through out the day 3) The ability to make things move or change

Wong Jia Hau asked Jul 4, 2023

by Wong Jia Hau

5.7k points

1 answer

0 votes

16.7k views

A/An _____ is the flow of positive charges that move from higher to lower potential energy, whereas a/an _____ is described as a flow of charged particles.conventional current, electric currentelectric

Mikael Jumppanen asked Jul 4, 2023

by Mikael Jumppanen

6.8k points

1 answer

5 votes

93.8k views

What is the net force on a 4.12kg dog that accelerates at 3.02 m/s^2

Csgeek asked Jul 4, 2023

by Csgeek

6.3k points

1 answer

2 votes

89.8k views

What type of monomers make up liquids

Dbep asked Jul 4, 2023

by Dbep

5.7k points

1 answer

19 votes

229k views

If a cheetah runs 180 miles in 3 hours, what is its average speed?

Ygramoel asked Jul 4, 2023

by Ygramoel

6.2k points

2 answers

1 vote

136k views

A scientist observes a galaxy through his telescope. He knows he's observing a galaxy, but can't make out its shape. However, he notices that the galaxy appears red. What type of galaxy is he observing?

Maydin asked Jul 4, 2023

by Maydin

6.5k points

1 answer

15 votes

180k views

How far does a 1.2g bullet with kinetic energy of 1.2 j go in 2 seconds ?

Steve Gear asked Jul 4, 2023

by Steve Gear

5.9k points

1 answer

9 votes

157k views

When white light is refracted by a prism, which color of light is bent the least? red yellow green

Matt Brandt asked Jul 4, 2023

by Matt Brandt

6.0k points

2 answers

4 votes

5.1k views

Page:

« prev
1
...
881
882
883
884
885
886
887
...
1000
...
next »

Ask a Question

Recent questions in Physics

Other Questions