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
An object with a mass of #4 kg# is on a plane with an incline of # - pi/4 #. If it takes #7 N# to start pushing the object down the plane and #5 N# to keep pushing it, what are the coefficients of static and kinetic friction?
A charge of #12 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #60 J# to #35 J#, what is the voltage between points A and B?
A projectile is shot from the ground at an angle of #pi/6 # and a speed of #5 /9 m/s#. Factoring in both horizontal and vertical movement, what will the projectile's distance from the starting point be when it reaches its maximum height?
If an object is moving at #6 m/s# over a surface with a kinetic friction coefficient of #u_k=20 /g#, how far will the object continue to move?
A helicopter’s speed increases from 25 m/s to 60 m/s in 5 seconds. What is the acceleration of this helicopter?
What happens when light passes through a diffraction grating?
A ball starting from rest accelerated uniformly at 5.0 m/s as it rolls 40 meters down an incline. How much time is required for the ball to roll the 40 meters?
A truck pulls boxes up an incline plane. The truck can exert a maximum force of #6,800 N#. If the plane's incline is #(5 pi )/8 # and the coefficient of friction is #4/5 #, what is the maximum mass that can be pulled up at one time?
The gas inside of a container exerts #18 Pa# of pressure and is at a temperature of #360 ^o K#. If the pressure in the container changes to #27 Pa# with no change in the container's volume, what is the new temperature of the gas?
The gas inside of a container exerts #27 Pa# of pressure and is at a temperature of #150 ^o K#. If the pressure in the container changes to #30 Pa# with no change in the container's volume, what is the new temperature of the gas?
Find the resultant vector? 1/6 of 240 m/s directed east ?= 1/4 of 240 m/s 1/5 of 250 degrees south of west
An object's two dimensional velocity is given by #v(t) = ( t-2 , 5t^2-3t)#. What is the object's rate and direction of acceleration at #t=1 #?
How to calculate the value of g at surface of Earth? (5.97x10^24 kg, 6378 km) , Moon ? (7.35x1022 kg, 1738 km) and Mars? (0.642x1024 kg, 3396 km)
An object with a mass of #10 kg# is on a plane with an incline of # - pi/4 #. If it takes #12 N# to start pushing the object down the plane and #6 N# to keep pushing it, what are the coefficients of static and kinetic friction?
What is the moment of inertia of a pendulum with a mass of #5 kg# that is #10 m# from the pivot?
An object with a mass of # 1 kg# is lying still on a surface and is compressing a horizontal spring by #1 m#. If the spring's constant is # 7 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?
How is projectile motion affected by gravity?
An object with a mass of #7 kg# is pushed along a linear path with a kinetic friction coefficient of #u_k(x)= 1-cos(x/2) #. How much work would it take to move the object over #x in [0, 8pi], where x is in meters?
An object with a mass of #12 kg# is revolving around a point at a distance of #12 m#. If the object is making revolutions at a frequency of #17 Hz#, what is the centripetal force acting on the object?
If an object is moving at #3 m/s# and accelerates to #51 m/s# over 12 seconds, what was the object's rate of acceleration?