Latest IIT-JEE Aptitude Question SOLUTION: A point mass of 1 kg collides elastically with a stationary point mass of 5 kg. After their collision, the 1 kg mass reverses its direction and moves with a speed of 2 ms–1. Whic

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Previous Question: Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature, 100 W, 60 W and 40 W bulbs have filament resistances R100, R60 and R40, respectively, the relation between these resistances is Next Question: A few electric field lines for a system of two charges Q1 and Q2 fixed at two different points on the x–axis..These lines suggest that (A) |Q1| > |Q2| (B) |Q1| < |Q2| (C) at a finite distance to the left of Q1 the electric field is zero (D) at a finite distance to the right of Q2 the electric field is zero.

(#M40027888) IIT-JEE question 2010 question Keep an EYE

A point mass of 1 kg collides elastically with a stationary point mass of 5 kg. After their collision, the 1 kg
mass reverses its direction and moves with a speed of 2 ms–1. Which of the following statement(s) is (are)
correct for the system of these two masses ?
(A) total momentum of the system is 3 kg ms–1
(B) momentum of 5 kg mass after collision is 4 kg ms–1
(C) kinetic energy of the center of mass is 0.75 J
(D) total kinetic energy of the system is 4 J.: Asked In IIT-JEE MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature, 100 W, 60 W and 40 W bulbs have filament resistances R100, R60 and R40, respectively, the relation between these resistances is Next Question: A few electric field lines for a system of two charges Q1 and Q2 fixed at two different points on the x–axis..These lines suggest that (A) |Q1| > |Q2| (B) |Q1| < |Q2| (C) at a finite distance to the left of Q1 the electric field is zero (D) at a finite distance to the right of Q2 the electric field is zero.

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