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Physics
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Questions (151,751)
1.)if an object is dropped from a height of 144 ft the function h(t)=-16t^2+144 gives the height of the object after t seconds.
7 answers
asked by
Hannah
7,118 views
Use the equation to answer the prompt.
10 6C→10 5B+ 0+1e A student claims that the equation models beta-minus decay because the
5 answers
asked by
berry's and cream
8,063 views
The headlamp of a car takes a current of 0.4A from a 12V supply. The energy produced in 5Minute is ?
18 answers
asked by
Oywumi yemi
5,561 views
What mass of ice at -14°C will be needed to cool 200cm³ of an orange drink(essentially water) from 25°C to 10°C?
7 answers
asked by
ayo
5,036 views
X:22
Y:18 Z:18 Air will move from______. Área z to area y Área y to área z Área x to área z Área y to área X========
54 answers
asked by
Nice
18,702 views
maria's bicycle has a diameter of 64 cm. as she rides at the speed of 21.6 km/h, she picks up a stone in her tire. draw a graph
6 answers
asked by
Allison
2,868 views
A player throws a ball at an initial velocity of 36 m/s. The maximum distance the ball can reach (assume ball is caught at the
11 answers
asked by
Yass
14,092 views
The difference in length between a brass and an iron is 14CM at 10°C what must be the length of the iron for this difference to
10 answers
asked by
Elia
5,062 views
Hi guys how do I calculate residual driving force, driving force is 3000 air resistance is 370 N and rolling resistance is 160
7 answers
asked by
Anonymous
2,427 views
Blake and Drew are playing horseshoes. Blake takes the first turn, and his horseshoe lands three-fourths of the way to the
8 answers
asked by
Potatoe
3,453 views
Two pullies are connected by a belt, Pulley A has a radius of 3 cm and pulley B has a radius of 6cm. As Pulley A rotates, a drop
4 answers
asked by
Anonymous
1,775 views
What does it mean that a material transmits waves?(1 point)
Waves will bounce off the surface of the material. Waves will pass
33 answers
asked by
DeprEsSiOn
15,127 views
1.Which car has the greatest efficiency?(1 point)
a 900 kg car that travels 15 km per liter of fuel a 900 kg car that travels 20
64 answers
asked by
willy wonka
24,075 views
Use the table to answer the question.
Sample Observation 1 The drop of food coloring spreads slowly. 2 The drop of food coloring
81 answers
asked by
Daniel
26,976 views
When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of
13 answers
asked by
who dat
2,338 views
Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of
7 answers
asked by
lost in life
8,108 views
a small piston in a hydraulic system has a force of 10 n and moves a distance of 100mm.calculate the force reqiured to move the
6 answers
asked by
noxolo
2,558 views
The Design World Unit Test
1,Which statement is true about the two metals used in batteries? The two metals have opposite
4 answers
asked by
Irisslove
1,568 views
If a force of 100n stretches a spring by 0.1cm. Find
(A) the elastic constant (B) the work done in stretching the spring 0.3cm if
5 answers
asked by
Gabriel
1,733 views
What is the function of the core of an electromagnet?(1 point)
Responses The core provides the conductor through which electric
5 answers
asked by
meli
1,039 views
A ball rolls down an inclined track 2m long in 4s.find time taken to cover the second metre of the track
7 answers
asked by
Anonymous
7,593 views
a roller whose diameter is 20 in weight 72 lbs. what horizontal force is necessary to pull the roller over a brick 2 in high
5 answers
asked by
peter
4,104 views
The coefficient of expansion of a certain steel is 0.000012 per C^(degree) . The coefficient of volume expansion, in
6 answers
asked by
jay
6,162 views
Sally puts on wool socks and rubs her feet on a nylon carpet. How does static electricity build up in Sally?(1 point)
Responses
4 answers
asked by
the real BARNY THE DINO :)
1,159 views
Which has more air resistance: a flat sheet of paper or a paper airplane?
a paper airplane because it has a less wide area a
17 answers
asked by
htsrhtdyjy
16,327 views
Strength of Electrical Forces Quick Check
Question 1: A student observes interactions between two sets of electrically charged
9 answers
asked by
for connexus kids
6,865 views
Which unit is used to measure force?(1 point)
11 answers
asked by
sebastian chapa
2,929 views
A mechanic wants to use a compound pulley to lift a go-kart from the ground to work table, a distance of 1.2 meters. Without the
4 answers
asked by
the real BARNY THE DINO :)
734 views
One object is traveling northeast with a momentum of 12 kg-m/s, while a second object is traveling southwest on the same path as
7 answers
asked by
Student
2,957 views
Compared to wave A, wave B has a _____.
7 answers
asked by
sammybear*-*
3,379 views
How do the frequencies and the speeds of yellow light and blue light compare?(1 point)
Which of the following is the best answer?
25 answers
asked by
Iwannaknow
1,557 views
A daredevil drives a motorcycle around a circular vertical wall 100 ft in diameter. The coefficient of friction between tires
5 answers
asked by
16
5,356 views
Which phrase describes radioactive decay?(1 point)
the triggering of one reaction by the products of another the joining of small
10 answers
asked by
DesperateScienceHelper
4,070 views
Give the scientific term for a wire that gets longer due to heat
4 answers
asked by
Kaay gee
240 views
Two postal delivery workers have different routes. They both travel from the post office, to neighborhoods to deliver mail, and
6 answers
asked by
TWO
2,952 views
What is water that vanish out of an open container in terms of kinetic molecular theory of matter
4 answers
asked by
Given
381 views
A person drive an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a
7 answers
asked by
maria
14,850 views
How much thermal energy is released when 500g of steam at 100° C condenses into water and cools to 50°C
Givens: m=0.5 kg t = 50
6 answers
asked by
AlphaStrike
7,504 views
A ringing alarm clock is put under a glass jar. The air is slowly removed from the space around it. What will happen as the air
17 answers
asked by
Anonymous ;)
4,228 views
Investigating Gravity quick check
A student is investigating gravity and falling objects. She drops three balls and times how
43 answers
asked by
CocoMelon
25,686 views
CHECK MY ANSWERS!!!
Strength of Magnetic Forces 1) Which electromagnet will produce the strongest magnetic force? A)
32 answers
asked by
ale
12,816 views
which phase describes gravitational attraction?
33 answers
asked by
i studied
25,118 views
When would a transformation of chemical energy to electrical energy occur?
5 answers
asked by
stackz
2,620 views
The linear magnification produced by a spherical mirror is -1.Analysing this value state the type of the mirror and position of
4 answers
asked by
Snem
2,285 views
A gardener holds a hose 0.75 m above the ground such that water shoots out horizontally and hits the ground at a point 2 m away.
7 answers
asked by
Hababa
9,456 views
1.A catapult launches a boulder with an upward velocity of 120 ft/s. The height of the boulder, h, in feet after t seconds is
7 answers
asked by
GummyBears
8,111 views
The weight of a body varies inversely as the square of its distance from the center of the earth. If the radius of the earth is
6 answers
asked by
MJ
8,660 views
Which statement explains why astronauts appear to bounce when they are walking on the moon? Gravity and Air Resistance Quick
29 answers
asked by
Not gonna say my name
17,937 views
Calculate the force required to move a small pistons that has an area of 2m2,if the force of a large piston is 20n with an as
6 answers
asked by
Anonymous
2,483 views
A spiral spring loaded with a piece of metal extends by 10.5cm in air. When the mental is fully submerged in water, the spring
6 answers
asked by
Joker
4,061 views
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