# Carson Alexander

Physics teacher | Tutor for 10 years

I'm a Physics graduate from the University of Wisconsin-Oshkosh. With a passion for unraveling the mysteries of the universe, I bring deep insight and expertise to my tutoring sessions. My goal is to empower students to conquer complex concepts and excel in their studies. Whether it's classical mechanics, quantum physics, or astrophysics, I'm dedicated to fostering a deeper understanding and appreciation for the wonders of the cosmos. Let's embark on this educational journey together and unlock the boundless potential of the universe.

## Questions

The tension in a 2 m length of string that whirls a 1 kg mass at 4 m/s in a horizontal circle is calculated to be 8 N. How do you alculate the tension for the following case: twice the length of string?

How does the right hand rule apply to the current in a long straight wire?

Two objects, no matter what their mass is, will reach the ground at the same time, because...?

An object with a mass of #5"kg"# is hanging from a spring with a constant of #3 "kg/s"^2#. If the spring is stretched by #3"m"#, what is the net force on the object?

An object with a mass of # 2 kg# is traveling in a circular path of a radius of #2 m#. If the object's angular velocity changes from # 2 Hz# to # 5 Hz# in # 1 s#, what torque was applied to the object?

A spring with a constant of #12 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #6 kg# and speed of #3 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?

How much power is produced if a voltage of #3 V# is applied to a circuit with a resistance of #45 Omega#?

What would be the effect of dropping a penny onto someone's head from the top of the tallest building?

An object travels North at #1 m/s# for #8 s# and then travels South at #6 m/s# for # 4 s#. What are the object's average speed and velocity?

An electric toy car with a mass of #5 kg# is powered by a motor with a voltage of #12 V# and a current supply of #5 A#. How long will it take for the toy car to accelerate from rest to #3 m/s#?

A ball with a mass of # 5 kg# is rolling at #6 m/s# and elastically collides with a resting ball with a mass of #9 kg#. What are the post-collision velocities of the balls?

A container with a volume of #25 L# contains a gas with a temperature of #150^o K#. If the temperature of the gas changes to #320 ^o K# without any change in pressure, what must the container's new volume be?

Objects A and B are at the origin. If object A moves to #(3 ,6 )# and object B moves to #(6 ,-5 )# over #1 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.

What is the speed of an object that travels from #( -9,4,-6) # to #( -9,-9,2) # over #3 s#?

A container with a volume of #18 L# contains a gas with a temperature of #270^o C#. If the temperature of the gas changes to #150 ^o K# without any change in pressure, what must the container's new volume be?

How much work would it take to push a # 12 kg # weight up a # 6 m # plane that is at an incline of # pi / 3 #?

Is the angle of refraction measured from the boundary?

An object with a mass of #8 kg# is hanging from an axle with a radius of #27 m#. If the wheel attached to the axle has a radius of #24 m#, how much force must be applied to the wheel to keep the object from falling?

How does specific heat relate to how fast a substance changes temperature?

If a projectile is shot at an angle of #(5pi)/12# and at a velocity of #16 m/s#, when will it reach its maximum height??