# Leo Abeyta

Physics teacher | Verified Expert

With a passion for unraveling the complexities of the universe, my expertise lies in Physics. I earned my degree from Wayne State University, delving into the intricacies of the physical world. As your dedicated tutor, I bring a profound understanding of physics principles to answer your questions across diverse subjects. Let's embark on a journey of knowledge together, where curiosity meets clarity.

## Questions

A charge of #12 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #58 J# to #42 J#, what is the voltage between points A and B?

What is #|| <7, 3, -1> - < -2 , 5, 3 > ||#?

What torque would have to be applied to a rod with a length of #5 m# and a mass of #2 kg# to change its horizontal spin by a frequency of #24 Hz# over #8 s#?

What is the unit vector that is orthogonal to the plane containing # (20j +31k) # and # (32i-38j-12k) #?

Why is it that alternating current cannot be stored?

What is the difference between a meson and a boson?

A #3.70×106 kg# piece splits off an iceberg of mass of 5.96×107 kg. How do you calculate the mass of the remaining iceberg and express the answer in scientific notation?

A wire of length #0.680 m# carries a current of #21.0 A#. In the presence of a #0.470 T# magnetic field, the wire experiences a force of #5.41 N#. What is the angle (less than #90°#) between the wire and the magnetic field?

An object with a mass of #1# #kg# is lying still on a surface and is compressing a horizontal spring by #1/4# #m#. If the spring's constant is #3# #kgs^-2#, what is the minimum value of the surface's coefficient of static friction?

A balanced lever has two weights on it, the first with mass #7 kg # and the second with mass #3 kg#. If the first weight is # 2 m# from the fulcrum, how far is the second weight from the fulcrum?

If an object is moving at #150 m/s# over a surface with a kinetic friction coefficient of #u_k=2250 /g#, how far will the object continue to move?

It is question about forces and equilibrium ?

How much power is produced if a voltage of #6 V# is applied to a circuit with a resistance of #54 Omega#?

An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 42KJ# over #t in [0, 9 s]#. What is the average speed of the object?

A bicycle wheel rotates uniformly through 2.0 revolutions in 4.0 s. What is the frequency of the wheel's rotation?

A ball with a mass of #150 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #90 (kg)/s^2# and was compressed by #4/3 m# when the ball was released. How high will the ball go?

Springs: what is the height bounced by a spring, mass *m*, initial length #l_0# compressed length #l_1#, spring constant *k*?

What is the force, in terms of Coulomb's constant, between two electrical charges of #-2 C# and #-3 C# that are #5 m # apart?

A girl who weighs 30 kg is inline skating at a speed of 5 m/s. What is the girl's kinetic energy?

What is the projection of # <3,-6,4># onto #<1,2,-4>#?