Layla Ahmed
Physics teacher | Tutor for 7 years
I hold a degree in Physics from the University of San Diego. My passion lies in unraveling the mysteries of the universe and making complex concepts understandable to all. With a solid foundation in physics, I offer clear explanations and insightful guidance to students across various topics. Whether it's mechanics, electromagnetism, or quantum physics, I'm dedicated to fostering a deep understanding and appreciation for the wonders of the natural world. Let's explore the boundless possibilities of physics together and embark on a journey of discovery and enlightenment.
Questions
How much work does it take to push an object with a mass of #4 kg # up a #9 m # ramp, if the ramp has an incline of #(5pi)/12 # and a kinetic friction coefficient of # 2 #?
A projectile is shot from the ground at a velocity of #65 m/s# and at an angle of #(5pi)/12#. How long will it take for the projectile to land?
A box with an initial speed of #5 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #3/4 # and an incline of #(5 pi )/12 #. How far along the ramp will the box go?
An object with a mass of #4 kg# is acted on by two forces. The first is #F_1= < -2 N , 4 N># and the second is #F_2 = < 3 N, 5 N>#. What is the object's rate and direction of acceleration?
If #12 L# of a gas at room temperature exerts a pressure of #9 kPa# on its container, what pressure will the gas exert if the container's volume changes to #3 L#?
A model train, with a mass of #32 kg#, is moving on a circular track with a radius of #9 m#. If the train's kinetic energy changes from #18 j# to #27 j#, by how much will the centripetal force applied by the tracks change by?
For surveying, earth satellites are sometimes launched into orbits only about 150. km above the earth’s surface. How to find the period ?
An arbitrarily shaped piece of plywood can be suspended from a string attached to the ceiling. How could you use a plumb bob to find its center of mass?
What is the force, in terms of Coulomb's constant, between two electrical charges of #-4 C# and #19 C# that are #12 m # apart?
If the length of a #40 cm# spring increases to #64 cm# when a #7 kg# weight is hanging from it, what is the spring's constant?
A charge of #24 C# passes through a circuit every #4 s#. If the circuit can generate #45 W# of power, what is the circuit's resistance?
How does acceleration change with time?
How much power is produced if a voltage of #2 V# is applied to a circuit with a resistance of #10 Omega#?
A container has a volume of #24 L# and holds #32 mol# of gas. If the container is compressed such that its new volume is #9 L#, how many moles of gas must be released from the container to maintain a constant temperature and pressure?
An object is at rest at #(9 ,7 ,5 )# and constantly accelerates at a rate of #5/4 m/s^2# as it moves to point B. If point B is at #(1 ,9 ,2 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
A bulb of resistance R=16 ohms is attached in series with an infinite resistor network with identical resistances r ohms. A 10 V battery drives current in the circuit. What should be the value of 'r' such that the bulb dissipates about 1 W of power?
An object, previously at rest, slides #4 m# down a ramp, with an incline of #pi/12 #, and then slides horizontally on the floor for another #4 m#. If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?
An object travels North at #2 m/s# for #8 s# and then travels South at #3 m/s# for # 2 s#. What are the object's average speed and velocity?
What is displacement as related to work?
How much work would it take to push a # 1 kg # weight up a # 3 m # plane that is at an incline of # (5pi) / 12 #?