Questions in Physics


what are the basic building blocks of all living things

Questioned by administrator @ in Physics viewed by 48 persons

What are the most basic building blocks of all organisms? A. organs B. blood C. cells D. tissue
View 1 answer

a 3.0 m long ladder leans against a frictionless wall

Questioned by administrator @ in Physics viewed by 47 persons

A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 74.3 ◦ with the floor. The ladder has a mass 25.8 kg. A 67.08 …
View 1 answer

constellations rise in the ____ and set in the ____

Questioned by administrator @ in Physics viewed by 52 persons

The sun, moon, planets and stars rise in the ____ and set in the ____.
View 1 answer

why is it warmer at the equator than the poles

Questioned by administrator @ in Physics viewed by 43 persons

Why is the Earth generally warmer at the equator than at the poles?
View 1 answer

what is the difference between an inference and an observation

Questioned by administrator @ in Physics viewed by 30 persons

What is the difference between an observation and an inference?
View 1 answer

which state of matter have no definite shape or volume

Questioned by administrator @ in Physics viewed by 34 persons

Which state(s) of matter have no definite shape or volume??
View 1 answer

what happens to gas particles when a gas is compressed

Questioned by administrator @ in Physics viewed by 31 persons

What happens to the molecules when a gas is compressed? A. They maintain their temperature. B. There is a drop in temperature. C. There is a rise in temperature. an …
View 1 answer

how many miles does the earth travel around the sun

Questioned by administrator @ in Physics viewed by 28 persons

The earth travels at 68,000 miles/hour as it moved around the sun. How many miles does the earth travel in one trip around the sun
View 1 answer

no work is done by gravity on a bowling ball

Questioned by administrator @ in Physics viewed by 35 persons

No work is done by gravity on a bowling ball that rolls along a bowling alley because
View 1 answer

which of the following statements about quantum theory is incorrect

Questioned by administrator @ in Physics viewed by 30 persons

Which of the following statements is INCORRECT? A) It is not possible to know the exact location of an electron and its exact energy simultaneously. B) The energies of an …
View 1 answer

what kind of weather is associated with a stationary front

Questioned by administrator @ in Physics viewed by 34 persons

What type of weather is associated with a stationary front
View 1 answer

at what temperature does water boil on the celsius scale

Questioned by administrator @ in Physics viewed by 32 persons

On the Celsius scale, at what temperature does water boil?
View 1 answer

a 60 g bullet is fired horizontally with a velocity

Questioned by administrator @ in Physics viewed by 38 persons

A 2-oz bullet is fired horizontally with a velocity v1 = 1800 ft/sec into the 6-kg block of soft wood initially at rest on the horizontal surface. The bullet emerges …
View 1 answer

what is the difference between energy transfer and energy transformation

Questioned by administrator @ in Physics viewed by 30 persons

1)Describe the difference between an energy transfer and energy store. 2)Give 3 examples of an energy transfer. 3)Give 3 examples of an energy store.
View 1 answer

law of conservation of energy states that energy cannot be

Questioned by administrator @ in Physics viewed by 33 persons

Complete the sentence to describe the law of conservation of energy. The law of conservation of energy states that energy cannot be created or , but it can be
View 1 answer

a car of mass m is on an icy driveway

Questioned by administrator @ in Physics viewed by 28 persons

A car of mass 1460 kg is on an icy driveway inclined at an angle of 33◦. The acceleration of gravity is 9.8 m/s^2. If the incline is frictionless, what …
View 1 answer

what does the heliocentric model of the solar system state

Questioned by administrator @ in Physics viewed by 27 persons

What does the heliocentric view of a solar system imply? that planets move around Earth that the moon moves around Earth that planets move around the Sun that the moon …
View 1 answer

what is the speed of the boat in still water

Questioned by administrator @ in Physics viewed by 23 persons

The speed of a boat in still water is 20 mph. it travels from one pier to another with the current in 4 hours and back against the current in …
View 1 answer

if positive work is done on an object the object

Questioned by administrator @ in Physics viewed by 25 persons

If the net work done on an object is positive, what can you conclude about the object's motion? - The object is moving with a constant velocity. - The object …
View 1 answer

in an electric shaver the blade moves back and forth

Questioned by administrator @ in Physics viewed by 26 persons

In an electric shaver, the blade moves back and forth over a distance of 2.00 mm. The motion is simple harmonic, with frequency 120 Hz. Find (a) the amplitude, (b) …
View 1 answer

Most viewed questions in Physics


jeevandeep health and physical education std 10 answers pdf

Questioned by administrator @ in Physics viewed by 1538 persons


calculate the total mass of these letters in grams (mxe=131.29amu).

Questioned by maham237 @ in Physics viewed by 726 persons


how to leave nightmare land answer key

Questioned by maham237 @ in Physics viewed by 653 persons



50 tooth sprocket turns at 20 rpm

Questioned by maham237 @ in Physics viewed by 515 persons


at approximately what frequency do most people perceive the least intense sounds?

Questioned by maham237 @ in Physics viewed by 462 persons



a kiddie roller coaster car has a mass 100 kilograms

Questioned by maham237 @ in Physics viewed by 402 persons


a running mountain lion can make a leap 10.0 m long, reaching a maximum height of 3.0 m.

Questioned by administrator @ in Physics viewed by 366 persons



uncertainty of a caliper

Questioned by maham237 @ in Physics viewed by 338 persons


what is the passenger's apparent weight at t=1.0s?

Questioned by administrator @ in Physics viewed by 326 persons



a rocket of mass m is launched straight up with thrust f⃗ thrust.

Questioned by maham237 @ in Physics viewed by 316 persons


which of the following diagrams involves a virtual image?

Questioned by maham237 @ in Physics viewed by 311 persons


what is the direction of the magnetic field b⃗ a at point a?

Questioned by administrator @ in Physics viewed by 238 persons