Isabella Alvarez
Physics teacher | Tutor for 10 years
I hold a degree in Physics from New Mexico Tech. With a passion for unraveling the mysteries of the universe, I thrive on sharing my knowledge with curious minds. Through interactive sessions, I simplify complex concepts, making physics accessible and engaging for students. Whether it's classical mechanics or quantum theory, I foster a supportive environment where questions are encouraged and critical thinking flourishes. My goal is to inspire a lifelong love of learning and empower students to explore the wonders of science. Let's embark on a journey of discovery together!
Questions
Why is a knife a wedge?
Why is electric force represented as a vector?
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 = 4 #?
Why is law of conservation of momentum important?
How much work does it take to raise a #7 kg # weight #23 m #?
A cylinder has inner and outer radii of #9 cm# and #16 cm#, respectively, and a mass of #4 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #9 Hz# to #4 Hz#, by how much does its angular momentum change?
A car 1500 kg is turning a flat curve while moving at constant speed. The radius of the curve is 35.0 m. If the coefficient of static friction between tires and dry pavement is 0.523. Determine the maximum speed of car to negotiate the turn successfully?
Calculate resistance of a bulb and highest current flowing through it having rating of #220V - 100W# ?
An object's two dimensional velocity is given by #v(t) = ( e^t-2t , 2t-4e^2 )#. What is the object's rate and direction of acceleration at #t=a #?
What particles are formed by radioactive processes?
How does electromagnetism affect the human body?
A model train, with a mass of #8 kg#, is moving on a circular track with a radius of #1 m#. If the train's rate of revolution changes from #3/5 Hz# to #5/6 Hz#, by how much will the centripetal force applied by the tracks change by?
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?
An object with a mass of #14 kg# is acted on by two forces. The first is #F_1= < 5 N , 6 N># and the second is #F_2 = < 3 N, 4 N>#. What is the object's rate and direction of acceleration?
A projectile is shot at a velocity of #15 m/s# and an angle of #pi/12 #. What is the projectile's maximum height?
A balanced lever has two weights on it, the first with mass #15 kg # and the second with mass #80 kg#. If the first weight is # 16 m# from the fulcrum, how far is the second weight from the fulcrum?
If #7/5 L# of a gas at room temperature exerts a pressure of #6 kPa# on its container, what pressure will the gas exert if the container's volume changes to #2/3 L#?
How do fiber optics work?
An object is at rest at #(2 ,1 ,6 )# and constantly accelerates at a rate of #1/4 m/s^2# as it moves to point B. If point B is at #(6 ,4 ,5 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
An object with a mass of #5 kg# is pushed along a linear path with a kinetic friction coefficient of #u_k(x)= x+3 #. How much work would it take to move the object over #x in [2, 3], where x is in meters?