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Which pole of a compass needle points to a south pole of a magnet?

What is a motor pathway primarily concerned with volitional control of body parts called?

When the Hoover Dame was completed and the reservoir behind it filled with water, did the moment of inertia of the Earth increase, decrease, or stay the same?

Object displays from 5 metre height reaches at a ground distance of 10 metre what is the final velocity?

A boat pushes off from a pontoon and travels 5m/s East while the pontoon floats away at 2m/s south. Calculate the velocity of the boat relative to the pontoon????? .

A kit is 100 ft high. There are 260 ft of string out and it is being let out at a rate of 5 ft/sec. If this results in the kite being carried along horizontally, what is the horizontal speed of the kite?

On a surface I have two point charges Qa and Qb, 1C and 4C respectivly and are placed at A(3,0) B(3,0). Find all the points (locus) (except those that are too far away) where V=0.?

A force of 63N acting upon a given object results in an acceleration of 9 m/s^2. If the magnitude of the force acting upon the same object is changed to 28 N, what will the object's acceleration become?

If a steel cable holding a cable car has stress xkpa. If four more cables are attached to the car,what is the stress on each cable?1) x/4. 2)x/5 3)x/3

A block weighing #9 kg# is on a plane with an incline of #(7pi)/12# and friction coefficient of #1/3#. How much force, if any, is necessary to keep the block from sliding down?

How can we draw magnetic field lines?

If one neutron is added to Helium nucleus, the result is?
a) Lithium b) Helium c) Hydrogen d) Carbon

How Can Bonding And Antibonding Electron Can Be Identified In 2p Orbital?

A force #vecF = (3xy 5z)hatj + 4zhatk# is applied on a particle. The work done by the force when the particle moves from point #(0,0,0)# to point #(2,4,0)# along the path #y = x^2# is?

Question #3394d

Question #4aba8

How many moles are in #4.5 xx 10^24# molecules of sodium fluoride, NaF?

Question #89cf1

What is the critical value of μs?

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Question #87f21

Can someone verify my answer?

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An object is thrown with half of the kinetic energy needed to free an object from the attraction of the earth. How far will the object reach from the earth's surface?

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Question #c2c8e

Can you tell me an example where you can use both Newton's laws and energy conservation to solve the problem and the priorities of each method?

A boy is sat at a semisphere with a ray of 18.4 m. He starts sliding. On what height will the boy loose contact with the sphere? There is no friction.

Help me please ??

Question #6826a

What is the frequency of the body at the centre of the earth?

Why the amplitude is small in forced vibration?

What happens when a transverse wave is reflected from the boundary of denser medium?of crest strike with medium ,it return as
A)crest b)trough c)compression d)rarefaction e)not

What is the form of energy acquired from food?

After 2 seconds of flight,the velocity of a projectile is (12i4j)m/s,Find its speed and elevation at moment of projection?

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Question #39ff1

How can i derive newton's law of cooling?

What is the mechanical advantage of a ramp that is 9 m long and 3 m high?

Physics help question3?

On a force versus elongation graph, what is represented by the point where the slope of the bestfit line intercepts the xaxis?

Question #b82c6

The total uncertainty in the average value of many measurements can be calculated as?

How to resolve power of an object on inclined planes?

Question #fae13

How potential energy is equal to dU/dx ?

5 cells each of EMF E and resistance r each are connected in series. If one cell is connected wrongly then potential difference across this cell will be?

Question #1425d

When the velocity of a relativistic charged particle increases, its specific charge?

Question #d02ff

Question #8284d

Objects A and B are at the origin. If object A moves to #(3 ,7 )# and object B moves to #(1 ,4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.

Question #7bc46

Which of the following is the image of the number in the mirror?

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Question #e3d6f

Help! I'm not good in circuits! Can you please explain the answer to me?

If there is a nonzero net force acting on an object, what is happening to the motion of that object?

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Question #fadc0

Consider sun as black body, then predict the temperature at Sun by assuming wavelength maximum at 500nm?

Threshold wavelength for photoelectric emission of a metallic surface is 3800Armstrong.A beam of light of wavelength 2600armstrong is incident on the surface.what will be the work function of the metal?

The rate of rotation of a solid disk with a radius of #2 m# and mass of #2 kg# constantly changes from #5 Hz# to #9 Hz#. If the change in rotational frequency occurs over #4 s#, what torque was applied to the disk?

It is said that at higher temperatures an object radiates red color the most. So does an object that is red in color is supposed to have a higher temperature?

Question #71967

Is there material that heat moves through in only one direction?

Question #1d2c0

What is the net interaction force between two opposite charges in a uniform electric field, when (1) the dipole is aligned along the electric field direction, and (2) when it is not?

Question #d61af

If a #2 kg# object is constantly accelerated from #0m/s# to #16 m/s# over 6 s, how much power musy be applied at #t=3 #?

Question #ddcfa

How can you calculate solar luminosity of the Sun using Earth's solar constant?

Two smaller spherical raindrops collide and merge into one larger spherical raindrop. What is the radius and surface energy of this larger drop, compared to the two smaller ones?

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Question #8df7c

Hi there! I would like someone to check this for me and complete the answer. Thanks!?!

An ideal gas system undergoes an adiabatic process in which it expands and does 20 J of work on its environment. How much energy is transferred to the system as heat?

An object travels North at #6 m/s# for #5 s# and then travels South at #7 m/s# for # 5 s#. What are the object's average speed and velocity?

An astronaut moves on a circular orbit around the earth.what is the average speed for a whole revolution?

Why pair production and annihilation cannot occur in free space?

Calculate the height from the Earth's surface that a satellite must attain in order to be in geosynchronous orbit and the satellite's velocity?

Question #0c378

What does the slope of an force vs. displacement time represent?

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Question #eb843

What is the reference angle when theta is 1.8? and Why?

If an electron is placed in an electric field with a potential difference of (1.35x10^2) V, the maximum speed the electron can attain is?

Question #88df0

Question #43ce0

Can you explain in detail why the answer is D ?

Question #c79bd

How much work does it take to pump the oil to the rim of the tank if the conical tank from #y=2x# is filled to within 2 feet of the top of the olive oil weighing #57(lb)/(ft)^3#?

How do you find the critical numbers of #y = cos x  sin x#?

What is the antiderivative of #x(sinx)^2#?

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