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Physics
Page 9
Questions (146,359)
A group of students sets up an electric circuit with wires, a battery, and a light bulb. Why is their circuit called a direct
3 answers
asked by
Hlo
392 views
Gravity Unit Test
8th Grade Connections Academy Please only use this to check your answers. 1. On which object will Earth’s
4 answers
asked by
Pichu0008
557 views
the distance from the sun to earth is about 1.5x10^11 meters. suppose light travels at a speed of 3x10^8 meters per second.
7 answers
asked by
shirly
9,695 views
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft
5 answers
asked by
Mithun
1,465 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
3,329 views
if it takes 31,500 joules of heat to warm 750g of water, what was the temperature change?
My answer: Q = (M) (DeltaT) (c) Delta
5 answers
asked by
sam
6,006 views
How is a joule defined?(1 point)
It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter.
12 answers
asked by
Evieeee
2,327 views
An airplane leaves Atlanta at 2 PM and flies north at 250 miles per hour. A second airplane leaves Atlanta 30 minutes later and
5 answers
asked by
Zara
4,939 views
An airplane has a speed of 400 km/h with no wind. The airplane flies 2140 km with the wind. The airplane can only fly 1860 km
4 answers
asked by
Muneer
2,123 views
A person is riding a skateboard on a U-shaped ramp. At which point does the person have the greatest potential energy?(1 point)
i
14 answers
asked by
Jimmy
6,530 views
make m the subject of the formula mg-t= ma
5 answers
asked by
esther edomoh
508 views
Kevin and Jason are riding identical bicycles to school. The boys both have the same amount of mass. Kevin is traveling at 20
7 answers
asked by
anonymous
2,012 views
The temperture of a mixture decrease at the rate of 1degree per 30 mins the twmperature of mixture at 3oclock was 5degree
At what
5 answers
asked by
ibanrihun
2,280 views
A ball falls from a tall bridge. The ball has a mass of 0.15 kg. The air density is 1.225 kg/m3
. The ball’s surface area is
4 answers
asked anonymously
510 views
An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the
6 answers
asked by
Hannah
6,372 views
What displacement must be added to a 50cm displacement in the +x-direction to give a resultant displacement of 85cm at 25
7 answers
asked by
Harry
8,906 views
An ideal massless spring is fixed to the wall at one end. A block of mass M attached to the other end of the spring oscillates
4 answers
asked by
Tammy
13,947 views
how large a force is required to accelerate a 1300 kg car from rest to a speed of 20 m/s in a horizontal distance of 80 m ? I'm
6 answers
asked by
courtland
7,762 views
A simple wheel and axle is used to lift a bucket of water from a well the radii of the wheel and axle are 20cm and 4cm
5 answers
asked by
Rodas
3,141 views
A small pebble is heated and placed in a foam cup calorimeter containing 25.0 mL of water at 25.0 degrees Celsius.The water
5 answers
asked by
Anonymous
5,229 views
Batman was driving the Batmobile at 90 mph (=132 ft/sec), when he sees a brick wall directly ahead. When the Batmobile is 400
5 answers
asked by
Meme
2,627 views
Three capacitors, each of capacitance 120 pF, are each charged to 500 V and then connected in series. Determine (a) the
5 answers
asked by
Jobs
3,374 views
You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. Determine
5 answers
asked by
Dominique
9,381 views
An inductor used in a dc power supply has an inductance of 12 H and a resistance of 180 ohms and carries a current of .300 A.
4 answers
asked by
J
2,600 views
A car slows down from 108 km/h to 90 km/h over the course of 4 s and 0.1 km. The force of the brakes was 1000 N. What is the
5 answers
asked by
Markous
2,678 views
State the physical quantities one has to measure in order to determine the young's modulus of a wire?
7 answers
asked by
Ashwariyya
3,090 views
A 1.5-kg cart is pulled with a force of 7.3 N at an angle of 40° above the horizontal. If a kinetic friction force of 3.2 N
4 answers
asked by
joe
3,956 views
For the next part, you will need to know that the position d of an object attached to a spring that oscillates with period
5 answers
asked by
k
4,789 views
A car starts from rest and moves along the path OAB as shown. It moves with a speed of 35 miles per hour along OA and 50 miles
7 answers
asked by
Kenyell
2,851 views
Explain why you don’t need a displacement vs. distance graph for light, but you do for other traveling waves.
4 answers
asked by
rosalinda
2,341 views
If the temperature of a 500.0-g sample of liquid water is raised 2.00c how much heat is absorbed by the water?The specific heat
6 answers
asked by
gabriella
5,760 views
A uniform AB weighing 40g can be balanced horizontally on a knife edge at 2 cm from the end A when mass of 60 is hung from this
5 answers
asked by
Janeth
922 views
a piano string has a length of 2m and a density of 8,000kg/m3. when the tension in the string produces a strain of 1%, the
5 answers
asked by
Prince
3,288 views
At the top of a frictionless inclined plane, a .50 kilogram block of ice possesses 6.0 joules of gravitational potential energy
5 answers
asked by
Gonzalez
3,456 views
A cylinder with a movable piston contains gas at a temperature of 27 degrees celsius, a volume of 1.50 meters cubed, and an
7 answers
asked by
Clay
4,160 views
A body falls freely from rest for a 6sec find the distance traveled in the last 6sec.
4 answers
asked by
Dave Ang
1,551 views
Two reasons why displacement method is not suitable when determining the volume of a charcoal?
5 answers
asked by
Michael
2,797 views
A non-rotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. Assuming
5 answers
asked by
Aja
4,531 views
When a person is given intravenous fluid, the bag containing the fluid is typically held about 1.2 m above the person's body. If
4 answers
asked by
Amanda
1,558 views
A uniform cylindrical spool of mass M and radius R unwinds an essentially
massless rope under the weight of a mass m. If R = 12
4 answers
asked by
Nora
2,503 views
A spring of natural length 30cm is stretched to 35cm by a load of 15N. Calculate the extension produced,the elastic constant of
5 answers
asked by
Anonymous
1,245 views
To leave Nicholson, you exit via the door to the quad. The door is 40 inches wide and has a mass of 200 kg.
You push the door
4 answers
asked by
Kim
1,923 views
forty 2.0 kg blocks 20.0 cm thick are used to make a retaining wall in a backyard. Each row of the wall will contain 10 blocks.
4 answers
asked by
AlphaPrimes
3,662 views
State gauss's theorem draw a graph showing the variation of electric field, as one moves from the centre of charge metal ball to
4 answers
asked by
shaista
1,961 views
A ball thrown by a boy in the street is caught 5 s later by another boy on the balcony of the house 10 m away and 3 m above the
4 answers
asked by
Kadu
1,924 views
n order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful?
a Meter
3 answers
asked by
6th g=rade
135 views
Which is the best description of how to build an electromagnet?(1 point)
Responses Wrap a wire around an iron or steel core at
4 answers
asked by
the real BARNY THE DINO :)
295 views
You are told 3 things...1. That there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a
16 answers
asked anonymously
925 views
An elastic string of length 20cm extends to 24cm when it supports a weight of 50N. Calculate the energy stored in the string.
5 answers
asked by
Shola
1,560 views
Dark matter_____ absorb light,______ emit radiation, and_____ been observed directly.
3 answers
asked anonymously
216 views
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