# Charles Aeschliman

Physics teacher | Verified Expert

I hold a degree in Physics from Belmont University, where I delved into the intricacies of the universe. With a passion for unraveling its mysteries, I guide students through the wonders of physics, igniting curiosity and understanding. My journey through academia has equipped me with a deep understanding of various subjects beyond physics, ensuring a comprehensive approach to education. From classical mechanics to quantum theory, I strive to make complex concepts accessible and engaging. Let's embark on a journey of discovery together, where questions are welcomed, and knowledge knows no bounds.

## Questions

How fast will an object with a mass of #3 kg# accelerate if a force of #27 N# is constantly applied to it?

An electric toy car with a mass of #1 kg# is powered by a motor with a voltage of #12 V# and a current supply of #7 A#. How long will it take for the toy car to accelerate from rest to #5 m/s#?

What is the speed of a 0.148 kg baseball if its kinetic energy is 107 J ? Answer in units of m/s.

How do you calculate the absolute index of refraction?

An object with a mass of #1 kg# is pushed along a linear path with a kinetic friction coefficient of #u_k(x)= e^x-1 #. How much work would it take to move the object over #x in [1, 3], where x is in meters?

What is the angle of refraction (relative to the boundary normal) of a diamond in contact with water according to Snell's law? The indices of refraction for water and diamond are respectively #1.33# and #2.42#.

A container with a volume of #7 L# contains a gas with a temperature of #120^o K#. If the temperature of the gas changes to #360 ^o K# without any change in pressure, what must the container's new volume be?

The force applied against an object moving horizontally on a linear path is described by #F(x)= cospix+x #. By how much does the object's kinetic energy change as the object moves from # x in [ 0, 2 ]#?

If an object is moving at #4 m/s# over a surface with a kinetic friction coefficient of #u_k=12 /g#, how far will the object continue to move?

An object, previously at rest, slides #15 m# down a ramp, with an incline of #pi/3 #, and then slides horizontally on the floor for another #12 m#. If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?

An object's two dimensional velocity is given by #v(t) = ( sin(pi/3t) , 2cos(pi/2t )- t )#. What is the object's rate and direction of acceleration at #t=5 #?

A ball with a mass of #17 kg# moving at #9 m/s# hits a still ball with a mass of #21 kg#. If the first ball stops moving, how fast is the second ball moving? How much kinetic energy was lost as heat in the collision?

What will be the volume of a copper nugget, if its weight is equal to that of a piece of lead having volume #2.62cm^3#?

A solid disk, spinning counter-clockwise, has a mass of #6 kg# and a radius of #3/5 m#. If a point on the edge of the disk is moving at #1 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?

What is an example of heat in a thermodynamic practice problem?

What are some examples of forces?

Two charges of # -7 C # and # -2 C# are positioned on a line at points # -3 # and # 6 #, respectively. What is the net force on a charge of # -8 C# at # -2 #?

How can I calculate the temperature of the Sun?

A spring with a constant of #6 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #1 kg# and speed of #4 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?

An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 640KJ# over #t in [0, 3 s]#. What is the average speed of the object?