Ask Question
Jared Payne
PhysicsPhysics
The speed of sound in air depends on temperature.

a. True

b. False
Answer Answers (1)
Pierre
PhysicsPhysics
Drag each statement to the correct location on the table.

Match the characteristics with the states of matter.

does not have

a definite shape

or volume

has definite volume

but does not have a

definite shape

has a definite shape

and volume

changes to liquid

on heating

changes to liquid

on cooling

changes to solid

on cooling

Solid

Liquid

Li

Gas
Answer Answers (2)
Christine Chambers
PhysicsPhysics
Which of the following changes can happen when the forces on an object are unbalanced?

a. The object speeds up

b. the object slows down

c. the object changes direction

d. all of the above
Answer Answers (1)
Alia Gallegos
PhysicsPhysics
Technician A says that engine parts should be be cleaned before a thorough test can be done to detect cracks. Technician B says that pressure testing can be used to find cracks in blocks or cylinder heads. Who is right?
Answer Answers (1)
Lauryn Griffin
PhysicsPhysics
How are mathematics and science related?
Answer Answers (1)
Rayan
PhysicsPhysics
Radio telescopes detect waves with a wavelength of roughly 10 m.

True

False
Answer Answers (1)
Ismael
PhysicsPhysics
2. A 0.30 kg ball is dropped onto a concrete driveway. The ball's velocity before impact is 4.5 m/s and after impact is 4.2 m/s. What is the change in the ball's momentum?
Answer Answers (1)
Haleigh Boyle
PhysicsPhysics
If we start with 400 atoms of a radioactive substance, how many would remain after one half-life? After 2 half-lives? After 3 half-lives? After 4 half-lives?
Answer Answers (1)
Malia Williams
PhysicsPhysics
How many significant digits are in the measurement 143,000
Answer Answers (2)
Amara Owens
PhysicsPhysics
Which term is defined as the tendency of an atom to attract a pair of electrons that will bond?
Answer Answers (1)
Carmelo Hayden
PhysicsPhysics
An astronaut wing 580 N on earth notices that an astronaut wing 580 N on earth notices that he Waze only 98 N on the moon is mass on the moon is blank KG
Answer Answers (1)
Valerie Knight
PhysicsPhysics
How many newtons of force are presented by the following amount:3 kg * m/sec squared? Select the correct answer

a) 6 newtons

b) 3 newtons

c) 1 newton
Answer Answers (1)
Kenley Booker
PhysicsPhysics
a 20 hp electric motor pumps water from a walk that is 10m deep into a water tank 3m above the ground level. how long does it take the pump to fill a 2000 L water tank.
Answer Answers (1)
Moriah Whitney
PhysicsPhysics
What is the name of the big guy on gravity falls?
Answer Answers (1)
Angel Stephenson
PhysicsPhysics
Suppose you have a pendulum clock which keeps correct time on Earth (acceleration due to gravity = 1.6 m/s2). For ever hour interval (on Earth) the Moon clock:

A) (9.8/1.6) h

B) 1 h

C) the square root of 9.8/1.6 h

D) (1.6/9.8) h

E) the square root of 1.6/9.8 h
Answer Answers (1)
1 ... 82 83 84 85 86 ...
Home » Physics » Page 84
Sign Up Forgot Password?