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Science and Physics
Page 2
Questions (291)
Drag each item to the correct location, so that each contribution to the theory of universal gravitation is matched with the
7 answers
asked anonymously
144 views
a scientist dropped an object from a height of 200 feet. She recorded thee height of the object in 0.5 second intervals.
4 answers
asked by
Anonymous
1,317 views
A swimming pool is drained at the end of each summer. Fifteen gallons of water are removed per minute. How much does the amount
5 answers
asked by
Animegirl
859 views
After you pick up a spare, your bowling ball rolls without slipping back toward the ball rack with a linear speed of v = 3.27
4 answers
asked by
Emily
1,483 views
two forces of 10N and 7N respectively are applied simultaneously to an object . The minimum value of their resultant is, in
4 answers
asked by
star
1,197 views
If a bicyclist of mass 68.0 kg (including the bicycle) can coast down a 7.00° hill at a steady speed of 6.20 km/h because of
3 answers
asked by
Nick
682 views
To balance a see saw how do you figure how far from the fulcrum should you put the weight.
3 answers
asked by
Kim
923 views
Imagine a person is lifting a refrigerator using a lever. What is the purpose of using the lever?
3 answers
asked by
alexslver
79 views
A beaker of hot water is carefully placed on a cold tabletop. What will
happen after the beaker is placed on the tabletop?
3 answers
asked by
Ali
87 views
Explain how image is formed by a plane mirror
2 answers
asked by
Ande
870 views
Calculate the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 2600 km.
4 answers
asked by
Dani
2,176 views
A plastic sphere has a density that is greater than oil but less than water when itis placed in cylinder containing water, it is
2 answers
asked by
sachi
674 views
Silver has a density of 10.5 g/cm3 and gold has a density of 19.3 g/cm3. Which would have a greater mass, 5 cm3 of silver or 5
3 answers
asked by
Monique
1,493 views
is the force exerted by the wall on the person’s hand passive or active?
3 answers
asked by
brian
778 views
The postulates of the Bohr model of the hydrogen atom can be stated as follows:
I. The electron can exist only in discrete states
3 answers
asked by
anonymous
1,290 views
Why does a pencil look broken if you hold it at an angle in a beaker of water?
4 answers
asked by
Nabiha
590 views
A car starts from rest and undergoes uniform acceleration. During the first second it travels 6 m.
a) what is the car's
2 answers
asked by
Tammy
499 views
Im having trouble identifying forces. I have pictures of things like a man parachuting and a girl skating. I have to draw arrows
3 answers
asked by
Laura
480 views
What's inertia?
Inertia is the tendency of an object at rest to remain at rest; or the tendency of an object to continue moving
3 answers
asked by
Jacob
722 views
Grace is doing an experiment on forces. She is testing to see how mass affects how far a piece of elastic can be stretched.
four
2 answers
asked anonymously
86 views
This sentence is from the passage.
"With an audacious step in the service of scientific hegemony, Newton united the physics
2 answers
asked by
Leah фото
39 views
Potential of kinetic energy ?
Water at the top of a waterfall
2 answers
asked anonymously
21 views
An cyclist on an asphalt road is to make a turn about a curve. What are the forces present causing the circular motion?
The
4 answers
asked anonymously
101 views
Considering the law of conservation of energy, we believe that a super-duper bouncy ball should keep bouncing - forever. Yet, we
1 answer
asked by
A
76 views
When the pitch of a wave increases, the wavelength of the wave
a doubles. b increases. c stays the same. d decreases.
1 answer
asked by
Anonymous ;)
65 views
Force and work unit test
What is the relationship among force, mass, and acceleration?
2 answers
asked by
Some lady
139 views
Force and unit test unit 2 lesson 8
4 answers
asked by
Needs help
69 views
How would you calculate power given mass, joules and time?
do you need to incorporate mass into the equation?
1 answer
asked by
gabi
83 views
Describe a situation where you have applied a lot of force (and maybe even felt tired afterward) but did no work in the sense we
1 answer
asked by
connexus student #626
116 views
Describe the motion represented on a distance time graph
1 answer
asked by
Hi
73 views
What is the difference in value between the temperature and absolute temperature
1 answer
asked by
Teja Sri
60 views
If a spring have a stiffness of 950n/m what work will be done in extending the spring by 60mm
1 answer
asked by
Wum
196 views
Why do the temperatures of the molecules in a substance vary, when they have an average temperature? What caused this variation?
1 answer
asked by
khun aguero agnes
183 views
What Is Motion?
1 answer
asked by
Anonymous
459 views
How would playing a game of soccer, baseball, or basketball be different if inertia didn’t exist?
Can someone explain it to me
2 answers
asked by
Madison/kayla
585 views
the 440Hz and the 441 Hz tone bars are to be placed horizontally on stable surface. strike both tone bars with the hammer.
10.
4 answers
asked by
Anthony
484 views
If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it
3 answers
asked by
erika
428 views
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC?
Joules do i addition everything?
2 answers
asked by
jake
523 views
a car start from rest and sccelerates uniformly at 2 ms-2 for 10s what is its velocity at the end of 10s
1 answer
asked by
sneha
383 views
(a) Suppose 10 astronauts are sent to Mars and then back to Earth. The average power usage of
each astronaut is 10,000,000 joules
2 answers
asked by
tom
551 views
What is a newton?(1 point)
Responses a non-contact force a non-contact force the unit in which force is measured the unit in
3 answers
asked by
Lettuce?
98 views
how fast will a sled go on a 30 degree snow covered hill?
how fast will a sled go steep 60 degree angle? how fast would a sled go
1 answer
asked by
Carrie
373 views
Name any object around the house that has 6 forces acting on it.
1 answer
asked by
adigun.
443 views
Einstein sought to discover a unified field theory that would explain the behaviour of all fields. What evidence have you seen
1 answer
asked by
Liz
413 views
When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has
1 answer
asked by
Tenshi
884 views
8.01xers Can anybody help with the falling ruler. I submission left(
23 answers
asked by
Andy
479 views
Show that 480W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2m in a time
1 answer
asked by
bbragg
439 views
A typical bathtub can hold 93 gallons of
water. Calculate the mass of natural gas that would need to be burned to heat the water
6 answers
asked by
Gabriella
1,060 views
What is the difference between speed and velocity when it comes to describing movement?
2 answers
asked by
STAN ATEEZ
2,972 views
What is happening to total energy as the ball is falling?(1 point)
Responses Total energy is decreasing. Total energy is
3 answers
asked by
DABABY
51 views
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