PW Solutions

PW Solutions

Views:
5,495,530
Subscribers:
252,000
Videos:
353,226
Duration:
948:02:00:58

PW Solutions is a content creator on YouTube with more than 252 thousand subscribers, publishing over 353.23 thousand videos which altogether total around 5.5 million views.

Created on ● Channel Link: https://www.youtube.com/@pw-solutions





All Videos by PW Solutions



PublishedVideo TitleDurationViewsCategoryGame
2024-05-11Two rods each of mass \(m\) and length \(\ell\) are joined at the centre to form a cross. The mo....1:404
2024-05-11By the theorem of perpendicular axes, if a body be in \(X-Z-\) plane then:....1:470
2024-05-11A wheel starts rotating from rest and attains an angular velocity of \(60 \mathrm{rad} / \mathrm....2:233
2024-05-11Figure shows a small wheel fixed coaxially on a bigger one of double the radius. The system rota....2:171Show
2024-05-11A body is in pure rotation. The linear speed \(v\) of a particle, the distance \(r\) of the part....1:336
2024-05-11State the law of conservation of angular momentum and prove that torque is given by the product ....7:221
2024-05-11Four masses are fixed on a massless rod as shown in fig. The moment of inertia about the axis \(....1:330Show
2024-05-11A particle is moving with a constant angular velocity about an exterior axis. Its linear velocit....1:455
2024-05-11The linear and angular acceleration of a particle are \(10 \mathrm{~m} / \mathrm{sec}^{2}\) and ....1:171
2024-05-11Obtain an expression for the instantaneous power of a particle in terms of torque \((\tau)\) and....3:442
2024-05-11Two bodies of mass \(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) moving in concentric orbits of rad....1:500
2024-05-11Do the comparison between translational motion and rotational motion by making a list of variabl....2:462
2024-05-11Give the expression for the total kinetic energy of a rigid body rolling down an inclined plane ....2:031
2024-05-11Define moment of inertia of a rigid body....3:205
2024-05-11What is the relation between moment of inertia (I), angular momentum (L) and angular velocity \(....1:490
2024-05-11Which physical quantity is expressed by the rate of change of angular velocity?....1:300
2024-05-11Which rule is used to determine the direction of torque?....1:440
2024-05-11Name the physical quantity, which is conserved when no external torque acts on a body. ....1:120
2024-05-11If a point \(A(x, y)\) lies in the region bounded by the \(y\)-axis, straight lines 2y+x=6 ....7:230
2024-05-11The cross product of two vectors is zero. What is the angle between them? ....1:381
2024-05-11Assertion: When a rigid body rotates about any fixed axis, then all the particles of it move in ....1:240
2024-05-11Assertion: If angular momentum of an object is constant about a point, then net torque on it abo....1:310
2024-05-11A number is chosen at random from the set {1,2,3…,2000}. Let \(\mathrm{p}\) be the probab....7:551
2024-05-11The moment of inertia of a body depends o....0:591
2024-05-11A horizontal disc rotating freely about a vertical axis through its centre makes 90 revolutions ....3:591
2024-05-11A hollow sphere of mass \(1 \mathrm{~kg}\) and radius \(10 \mathrm{~cm}\) is free to rotate abou....2:441
2024-05-11A quarter disc of radius \(R\) and mass \(m\) is rotating about the axis \(O O^{\prime}\) (perpe....1:210
2024-05-11A force \(\vec{F}=(2 \hat{i}+3 \hat{j}-5 \hat{k}) \mathrm{N}\) acts at a point \(\vec{r}_{1}=(2 ....3:311
2024-05-11Let \(N\) denotes the sum of the numbers obtained when two dice are rolled. If the probability t....6:301
2024-05-11If two discs of moment of inertia \(I_{1}\) and \(I_{2}\) rotating about collinear axis passing ....1:460
2024-05-11A swimmer while jumping into river from a height easily form a loop in air if....1:270
2024-05-11Three rods each of mass \(m\) and length \(L\) are joined to form an equilateral triangle as sho....3:492
2024-05-11Two equal and opposite forces are applied tangentially to a uniform disc of mass M and radius R ....1:370
2024-05-11With respect to a particular question on a multiple choice test (having 4 alternatives with only....5:222
2024-05-11Die \(A\) has four red faces and two white faces, dieB has two red and four white faces. A ....3:450
2024-05-11A circular disc is to be made by using iron and aluminium so that it possesses maximum moment of....2:060
2024-05-11A hotel packed breakfast for each of the three guests. Each breakfast should have consisted of t....3:523
2024-05-11A jar contains \(2 n\) thoroughly mixed balls, \(n\) white and \(n\) black balls. \(n\) persons ....4:032
2024-05-11A pair of students is selected at random from a probability class. The probability that the pair....2:465
2024-05-11Integers \(a, b, c\) and \(d\) not necessarily distinct, are chosen independently and at random ....2:220
2024-05-11Let 6p-15x2+(p-5)p2-4p+3x+p-23=0where \(\{y\}\) and \([y]\) denote fractional part function....3:390
2024-05-11A game is played with a special fair cubic die which has one red side, two blue sides, and three....2:210
2024-05-11Consider three vectors \(\vec{v}_1=\alpha \hat{i}+\beta \hat{j}+\gamma \hat{k}, \quad \vec{v}_2=....4:112Let's Play
2024-05-11Consider 4 functions f(x)=x2sin1x,x≠00, x=0,g(x)=x2+1|x+1| h(x)=sgnx2-4x+5&nbs....4:352
2024-05-11A box contains 15 transistors, 5 of which are defective. An inspector takes out one transistor a....1:280
2024-05-11If \(A\) and \(B\) are two events such that \(P(B) \neq P \bar{B}\) denotes the event complement....3:435
2024-05-11Let \(P(E)\) denote the probability of occurrence of event \(E\). If \(A\) and \(B\) are two eve....3:301
2024-05-11A student has to match three historical events i.e. Dandi March, Quit India Movement and Mahatma....2:474
2024-05-11Let 0<P(A)<1,0<P(B)<1&P(A∪B)=P(A)+P(B) - P(A)·P(B), then:....1:411
2024-05-11Let a function f:X→Y is defined where X={0,1,2,3,…,9}, Y={0,1,2,…,1....3:441
2024-05-11Consider all functions that can be defined from the set \(A=\) {1,2,3} to the setB={1,2,3,4....3:490
2024-05-11Two numbers \(n_1\) and \(n_2\) are chosen at random (with out replacement) from the set {1....3:120
2024-05-11A covered basket of flowers has some lilies and roses. In search of rose, Sweety and Shweta alte....8:053
2024-05-11A student appears for tests I, II and III. The student is successful if he passes either in test....2:180
2024-05-11Two squares are chosen from the squares of a ordinary chess board. It is given that the selected....3:351
2024-05-11A bag contains four tickets marked with numbers 112,121 , 211,222 . One ticket is drawn at rando....3:230
2024-05-1116 players take part in a tennis tournament. The order of the matches is chosen at random. There....4:410
2024-05-11Three ordinary and fair dice are rolled simultaneously. The probability of the sum of outcomes b....3:020
2024-05-11\(A\) and \(B\) are two events such that P(A)=12,P(B)=23. Then which of the following is not cor....2:040
2024-05-11Three fair dice are rolled once. Given that atleast one of them shows up the face 6 . The chance....6:543Show
2024-05-11Let S={1,2,3,4,…,10} and f(x)=4(x+1-3-x)x-1.If an element is selected from the set \(....4:472
2024-05-11For three events \(A, B, C\). Probability that atmost two events happen....2:124
2024-05-11If \(\mathrm{a}\) and \(\mathrm{b}\) are chosen randomly by throwing a pair of fair dice then th....4:365
2024-05-11Two integers R and S (not necessarily distinct) are chosen at random between 1 and 100 inclusive....6:001
2024-05-11A real estate man has eight master keys to open several new houses. Only one master key will ope....4:302
2024-05-11A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or....2:572
2024-05-11A purse contains 100 coins of unknown value, a coin drawn at random is found to be a rupee, The ....3:111
2024-05-11A speaks truth in 75% case and B in 80% cases. What is the probability that they contradict each....2:222
2024-05-11A and B throw with one dice for a stake of Rs. 99/- which is to be won by the player who first t....4:274
2024-05-11A bag contains 2 white and 4 black balls. A ball is drawn 5 times, each being replaced before an....4:023
2024-05-11A card is drawn from a well shuffled ordinary deck of 52 -playing cards. The card drawn is found....2:110
2024-05-11Two cards are drawn from a well shuffled pack of 52 playing cards one by one. If \(\mathrm{A}\) ....2:522
2024-05-11Before a race the chance of three runners, \(\mathrm{A}, \mathrm{B}, \mathrm{C}\) were estimated....4:290
2024-05-11In a series of 3 independent trials the probability of exactly  2 success is 12 times as la....2:141
2024-05-11Odds in favour of A's speaking the truth are \(1: 2\) and odds against B's speaking the truth ar....5:180
2024-05-11A and B having equal skill, are playing a game of best of 5 points. After \(\mathrm{A}\) has won....2:151
2024-05-11A is one of the 6 horses entered for a race and is to be ridden by one of two jockeys B or C. It....2:271
2024-05-11\(A\) and \(B\) are two independent events such that P(A¯)=0.7,P(B¯)=a and P(A&cu....2:065
2024-05-11A fair die is tossed. If the number is odd, find the probability that it is prime is....2:130
2024-05-11The probabilities of events, A∩B,A,B andA∪B are respectively in \(A . P\). with pro....2:101
2024-05-11Out of 13 applicants for a job, there are 5 women and 8 men. It is desired to select 2 persons f....2:455
2024-05-11In drawing of a card from a well shuffled ordinary deck of playing cards the events ‘card ....2:281
2024-05-11A bowl has 6 red marbles and 3 green marbles. The probability that a blind folded person will dr....1:231
2024-05-11A pair of dice is thrown. If total of numbers turned up on both the dies is 8 , then the probabi....1:190
2024-05-11A quadratic equation is chosen from the set of all quadratic equations which are unchanged by sq....4:032
2024-05-115 persons entered the lift cabin on the ground floor of an 8 floor building. Suppose that each o....2:330
2024-05-11The chance that a 13 card combination from a pack of 52 playing cards is dealt to a player in a ....2:280
2024-05-11There are ten prizes, five A’s, three B’s and two C’s, placed in identical sea....2:510
2024-05-11In a hurdle race, a player has to cross 8 hurdles. The probability that he will clear a hurdle i....5:263
2024-05-11Three persons A, B and C apply for a job of Manager in a private company. Chances of their selec....6:411
2024-05-11A couple has 2 children. Find the probability that both are boys, if it is known that the older ....2:123
2024-05-11Two dies are rolled simultaneously. The probability that the sum of the two numbers on the top f....2:300
2024-05-11Two dice are thrown. Find the probability that the numbers appeared have a sum 9 if it is known ....2:190
2024-05-11A bag contains 3 white, 3 black and 2 red balls. One by one three balls are drawn without replac....2:011
2024-05-11A can hit a target 4 times in 5 shots, B three times in 4 shots and C twice in 3 shots. They fir....5:016
2024-05-11A 9 digit number using the digits \(1,2,3,4,5,6,7,8\) and 9 is written randomly without repetiti....2:224
2024-05-11A black and a red die are rolled together. Find the conditional probability of obtaining the sum....2:470
2024-05-11The probability that atleast one of the two events \(A\) and \(B\) occurs is 0.15 . If \(A\) and....3:061
2024-05-11Probabilities of solving a specific problem independently by \(A\) and \(B\) are 12 and 13,....2:430
2024-05-11A bag contains 4 red and 6 black balls. A ball is drawn at random from the bag, its colour is ob....4:312