Answers created by Akshay W.
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Question #c9987

What is the difference between acceleration, average acceleration and constant acceleration???

Question #3e944

Which has more thermal energy, a 5kg bowling all that has been resting on a hot driveway for 4 hours on a 35° day, or the same bowling ball rolling down a lane on an airconditioned bowling alley?

Why is electricity generated as alternating current and not as DC?

Question #99314

Question #e2ec5

Are permanent magnets ferromagnetic?

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Question #c11d1

How do you solve and check your solution given #b1 1/2=4 1/4#?

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Question #03714

How are electromagnetic waves usually drawn?

What is Newton's third law?

If #19 L# of a gas at room temperature exerts a pressure of #4 kPa# on its container, what pressure will the gas exert if the container's volume changes to #7 L#?

Question #1a79d

A projectile is shot from the ground at a velocity of #86 m/s# and at an angle of #(2pi)/3#. How long will it take for the projectile to land?

Question #026bf

Question #dd076

What is an insulator?

Question #0b840

Question #9a243

An electric toy car with a mass of #4 kg# is powered by a motor with a voltage of #7 V# and a current supply of #9 A#. How long will it take for the toy car to accelerate from rest to #3/2 m/s#?

What determines the frequency of photons?

Question #14b04

Which condition will cause a charged particle in a uniform magnetic field to move in a helix?

Question #1665c

An object with a mass of #8 kg# is on a plane with an incline of #  pi/12 #. If it takes #12 N# to start pushing the object down the plane and #9 N# to keep pushing it, what are the coefficients of static and kinetic friction?

Two boats defined by vectors? (See picture)

A model train, with a mass of #4 kg#, is moving on a circular track with a radius of #3 m#. If the train's kinetic energy changes from #4 j# to #15 j#, by how much will the centripetal force applied by the tracks change by?

Question #b7483

After absorbing a neutron, a Uranium235 nucleus can fission to produce Barium141 and krypton92. Calculate the energy that would be released from this fission of a Uranium235 atom. How do you work this out?

An object with a mass of #5 kg# is pushed along a linear path with a kinetic friction coefficient of #u_k(x)= e^x+x #. How much work would it take to move the object over #x in [1, 2], where x is in meters?

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Question #a053f

Two charges of # 1 C # and # 3 C# are positioned on a line at points # 2 # and # 12 #, respectively. What is the net force on a charge of # 4 C# at # 1 #?

Question #9a373

Is it possible to see real images without a screen?

How much work would it take to horizontally accelerate an object with a mass of #8 kg# to #7 m/s# on a surface with a kinetic friction coefficient of #2 #?

Question #b8ad5

Question #6aed0

An object is thrown vertically from a height of #2 m# at #4 m/s#. How long will it take for the object to hit the ground?

If a projectile is shot at an angle of #(7pi)/12# and at a velocity of #9 m/s#, when will it reach its maximum height?

Question #16856

What is the average speed of an object that is not moving at #t=0# and accelerates at a rate of #a(t) =t+2# on #t in [3, 5]#?

Question #004f2

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Question #94ad3

The force applied against a moving object travelling on a linear path is given by #F(x)=3x^2+x #. How much work would it take to move the object over #x in [2,3 ] #?

How does carbon14 form?

What is the mass of #4.22 x 10^23# atoms of lead?

How do you graph #xy>=0#?

Question #34f1c

Why do larger instruments create lower frequencies than smaller instruments?

An object with a mass of # 2 kg# is traveling in a circular path of a radius of #4 m#. If the object's angular velocity changes from # 1 Hz# to # 6 Hz# in # 3 s#, what torque was applied to the object?

An object with a mass of #12 kg# is on a surface with a kinetic friction coefficient of # 2 #. How much force is necessary to accelerate the object horizontally at # 17 m/s^2#?

Question #f7e9a

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Question #7ba22

How do you solve #m+10=2#?

How do you simplify #7sqrt32sqrt2+3sqrt2+5sqrt3#?

Question #9747b

How do you solve #x – 4 + 7 = 4#?