Sufiyan Alam

College of Engineering, Pune
Professor

Biography

Hi, I am MTech graduate in Automotive Technology. I have been mentoring students Physics and Mathematics from past 8 years. My research work was on Compressed Air Engine. I always believe that visualizing a concept is better than just understanding it. It make you to apply the concept in real life. My tutoring method is to pass on the information I have to the future generation in the most fruitful manner. I have been working with many websites from past few years. Be ready to experience the knowledge in the most effective way.

Education

MS Mechanical Engineering
College of Engineering, Pune

Educator Statistics

Numerade tutor for 4 years
3715 Students Helped

Topics Covered

Mastering Motion: Achieving Efficiency Along a Straight Line
Mastering Newton's Laws: Tips for Applying Them Effectively
Understanding Moment Impulse and Collisions for Better Physics
Mastering the Rotation of Rigid Bodies: Tips & Techniques

Sufiyan's Textbook Answer Videos

05:07
Practice Problem in Physics for the JEE Main and Advanced

Linear mass density of a rod $A B$ (of length $I$ ) varies with distance $x$ from end $A$ of the rod as given by $\lambda=\lambda_{11} x^{4} .$ Here $\lambda_{0}$ is constant. Find the distance of centre of mass of the rod from end $B$.

Chapter 6: Center of Mass and Collision
Section 6: Section F
Sufiyan Alam
04:42
Practice Problem in Physics for the JEE Main and Advanced

A uniform rod $P Q$ (of mass $m$ and length $l$ ) is pivoted at its end $P$ and is suspended vertically. Now a horizontal force $F$ given by,
$$
\begin{aligned}
&F=F_{n} \text { for } 0 \leq t \leq t_{0} \\
&F=0 \text { for } t>t
\end{aligned}
$$
acts on the rod as shown. Considering $t_{0}$ is a very small value, find the speed of the centre of mass of rod at $t=t_{0}$.

Chapter 6: Center of Mass and Collision
Section 6: Section F
Sufiyan Alam
06:41
Practice Problem in Physics for the JEE Main and Advanced

$\Lambda$ body of mass $m_{1}$ moving with certain velocity strikes a body of mass $m_{2}$ at rest. $\Lambda$ ssuming the collision to be elastic, calculate the fraction of $K . E$. transmitted by the first body to the second body.

Chapter 6: Center of Mass and Collision
Section 6: Section F
Sufiyan Alam
04:16
Practice Problem in Physics for the JEE Main and Advanced

$\Lambda$ small mass falls vertically and strikes an inclined plane of inclination $30^{\circ} .$ \Lambdafter impact velocity of ball becomes horizontal. Consider the inclined plane to be fixed, find the coefficient of restitution.

Chapter 6: Center of Mass and Collision
Section 6: Section F
Sufiyan Alam
1

Sufiyan's Quick Ask Videos

02:03
Physics 101 Mechanics

Two astronauts, of masses 60 kg and 90 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved 12 m? Group of answer choices: 12 m, 9.0 m, 16 m, 8.0 m, 21 m.

Sufiyan Alam
03:49
Physics 101 Mechanics

A truck on a straight road starts from rest, accelerating at
2.00 m/s2 until it reaches a speed
of 45.0 m/s. Then the truck travels for 22.0 s
at constant speed until the brakes are applied, stopping the truck
in a uniform manner in an additional 5.00 s.
(a) How long is the truck in motion?
What is the average velocity of the truck for the motion
described?

Sufiyan Alam
01:31
Physics 101 Mechanics

2 Children of masses 10kg and 15kg are playing
on a seesaw of length L. The 10 kg child is sitting
on one end. In order to balance the seesaw, at
what distance from the pivot point should the 15 kg child
sit?
(1) L/2
(2) L/3
(3) L/4
(4) L/5

Sufiyan Alam
00:43
Physics 101 Mechanics

A runner changes her velocity from 10 m/s to 130 m/s in a time of 2 min. What is her average acceleration?

Sufiyan Alam
05:51
Physics 101 Mechanics

An object of radius R, moment of inertia I, and mass m is spinning with an angular speed ω₀. At t=0, this object is placed on a surface with a coefficient of kinetic friction μₖ. The point of contact between the wheel and the ground is sliding, but as the wheel begins to move forward, v_cm increases and ω decreases until the object starts to roll without slipping, at which point it rolls with a speed v_f. What is v_f in terms of I, M, R, and ω₀?

Sufiyan Alam
03:36
Physics 101 Mechanics

The electric field in the atmosphere is about 110 N/C, downward.
(a) What is the direction of the force on a positively charged particle?
Which: towards the right, upward, downward, or towards the left?
(b) Find the electric force on a proton with charge +1.6 × 10^-19 C.
___N
(c) Compare the force in part (b) with the force of gravity on the same proton (mass = 1.7 × 10^-27 kg).
___N

Sufiyan Alam
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