3,772 Answered Questions for the topic Science

Science Math English Reading

1d

How can I improve my studying skills and habits?

About gravity my biggest question

I have a big question. According to Newton's law of Gravitation, every single atom attracts every other atom in the universe. The scientists have hypothesised a partical, gluon, to be responsible... more
Science Chemistry Physics

5d

What is the basic difference between a cloud and fog?

What is the basic difference between a cloud and fog? A. Fog is a cloud near the ground. B. Clouds form when air is cooled, whereas fog forms when air is heated. C. Clouds form when air is heated,... more
Science Math Chemistry

9d

How much water must be evaporated each hour to dissipate as much heat as a typical electric air conditioner?

In regions with dry climates, evaporative coolers are used to cool air. A typical electric air conditioner is rated 1.17 x 10^4 Btu/h. How much water must be evaporated each hour to dissipate as... more
Science Physics

13d

What is its velocity at the highest point?

A stone is thrown upward with a velocity of 4 m/s and fell down right after. What is its velocity at the highest point?
Science Physics

13d

How to find the resultant of two vectors that are perpendicular to each other?

How to find the resultant of two vectors that are perpendicular to each other?

Need Help! Thankyou

. A lens has a focal length of 2m. A pencil is placed 3m from the lens.Where will the image of the pencil be formed? (show all work) (3 marks)Is the image inverted or upright? How do you know? (1... more
Science Physics

14d

What is the defining law that helps Maxwell to solve the missing link between the existence of electricity and magnetism in space?

What is the defining law that helps Maxwell to solve the missing link between the existence of electricity and magnetism in space?

Physics question about AC generator

The AC generator rotation frequency is 16.5 Hz. The generator generates 50 Hz alternating current. How many pairs of magnetic poles this generator has?The correct answer is 3 pairs.

Urgent help (I need in 10 hours) Physiological Psychology

Answer the questions directly and briefly. Why is muscle that has sustained significant damage unable to produce the same amount of power as it could before being damaged?  Does the lack of sleep... more
Science

19d

Describe the process of the water cycle?

What is the difference in voltage between the plates? Science

Two large parallel plates are 2.0 cm apart. The strength of the electric field between them is 100.0 N/C . What is the difference in voltage between the plates?(a) −2.0 V(b) +2.0 V(c) 0 V(d) +20 VI... more
Science Chemistry Physics

19d

Where is the image of the object? Science

An object is placed 4.0 cm to the left of a convex lens with a focal length of +8.0 cm . Where is the image of the object?(a) 8 cm to the left of the lens(b) 8 cm to the right of the lens(c) 12 cm... more

21d

Combinatorics problem

There are 3 parks to clean and the cleaning takes 2 days. How many different ways there are to schedule the cleaning, if it needs to be done during the first 5 days of the week.

Innate immunity is considered as non-specific immunity because ___.

Innate immunity is considered as non-specific immunity because ___.A. They treat all pathogens in the same way. B. Innate immunity respond to a specific pathogen at a time. C. Innate is also called... more

A hypothetical material has a relative permeability and relative permittivity of 3.0 and 4.0, respectively.

A hypothetical material has a relative permeability and relative permittivity of 3.0 and 4.0, respectively. a. What is the speed of light in this material? b. What is the value of the magnetic... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.