# Elena Albarran

Physics teacher | Verified Expert

With a Physics degree from the University of West Florida, I'm passionate about unraveling the mysteries of the universe. As a dedicated tutor, I bring clarity to complex concepts, making physics accessible to all. My goal is to ignite curiosity and foster understanding in every student I work with. Let's embark on a journey of discovery together!

## Questions

If #2/5# #L# of a gas at room temperature exerts a pressure of #15# #kPa# on its container, what pressure will the gas exert if the container's volume changes to #7/3# #L#?

What does the slope of a distance-versus-time graph represent?

A bicyclist travels the rate of 8 miles in an hour. If the bicyclist continues at this rate, how many miles can the bicyclist travel in five hours?

A projectile launched with an angle of 45.0° above the horizontal is in the air for 7.5 s. What is the initial velocity of the projectile?

A projectile is shot at an angle of #pi/4 # and a velocity of # 15 m/s#. How far away will the projectile land?

The rate of rotation of a solid disk with a radius of #8 m# and mass of #5 kg# constantly changes from #16 Hz# to #22 Hz#. If the change in rotational frequency occurs over #7 s#, what torque was applied to the disk?

How do hadrons differ from all other subatomic particles?

If a #2 kg# object moving at #1/2 m/s# slows to a halt after moving #5 m#, what is the coefficient of kinetic friction of the surface that the object was moving over?

What is the angular momentum of a rod with a mass of #8 kg# and length of #7 m# that is spinning around its center at #19 Hz#?

How do electric fields accelerate particles?

How could carbon-14 be used to determine the age of a mummy?

How does frictional force affect the velocity of an object?

What torque would have to be applied to a rod with a length of #4 m# and a mass of #3 kg# to change its horizontal spin by a frequency of #12 Hz# over #1 s#?

How do electromagnetic waves transfer energy?

A charge of #1 C# is at #(-7, 1 )# and a charge of #-3 C# is at #(3, -3) #. If both coordinates are in meters, what is the force between the charges?

How much power is produced if a voltage of #3 V# is applied to a circuit with a resistance of #14 Omega#?

How do you calculate specific heat capacity given heat flow, mass and temperature change?

The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/4t) #. What is the speed of the object at #t = 7 #?

How do you measure magnetic force?

What are some examples of convex mirrors?