Question Answers
Sahay Sir > Question Answers
A stationery body explodes into two fragments of masses m1 and m2 . If momentum of one fragment is P, the energy of explosion is
21
Sep
A stationery body explodes into two fragments of masses m1 and m2 . If momentum of one fragment is P, the energy of explosion is A stationery body explodes into two fragments of masses m1 and m2 . If momentum of one fragment is P the energy of explosion is September 21, 2020 Category: Uncategorised [...]
A ball is thrown at different angles with the same speed u and from the same points and it has same range in both the cases. If y1 and y2 be the heights attained in the two cases, then find the value of y1 + y2.
21
Sep
A ball is thrown at different angles with the same speed u and from the same points and it has same range in both the cases. If y1 and y2 be the heights attained in the two cases, then find the value of y1 + y2. A ball is thrown at different angles with the [...]
Two bodies are projected with the same velocity. If one is projected at an angle of 30 and the other at an angle of 60 to the horizontal, find the ratio of the maximum heights reached.
21
Sep
Two bodies are projected with the same velocity. If one is projected at an angle of 30 and the other at an angle of 60 to the horizontal, find the ratio of the maximum heights reached. find the ratio of the maximum heights reached. Two bodies are projected with the same velocity. If one is [...]
A stationary body explodes in to four identical fragments such that three of them fly mutually perpendicular to each other, each with same KE (E0). The energy of explosion will be
21
Sep
A stationary body explodes in to four identical fragments such that three of them fly mutually perpendicular to each other, each with same KE (E0). The energy of explosion will be A stationary body explodes in to four identical fragments such that three of them fly mutually perpendicular to each other each with same KE [...]
A vessel at rest explodes breaking it into three pieces. Two pieces having equal mass fly off perpendicular to one another with the same speed of 30m/s. The third piece has three times the mass of each of the other two pieces. What is the direction (w.r.t. the pieces having equal masses) and magnitude of its velocity immediately after the explosion?
21
Sep
A vessel at rest explodes breaking it into three pieces. Two pieces having equal mass fly off perpendicular to one another with the same speed of 30m/s. The third piece has three times the mass of each of the other two pieces. What is the direction (w.r.t. the pieces having equal masses) and magnitude of [...]
Pankaj and Sudhir are playing with two different balls of masses m and 2m, respectively. If Pankaj throws his ball vertically up and Sudhir at an angle theta, both the balls stay in our view for the same period.
21
Sep
Pankaj and Sudhir are playing with two different balls of masses m and 2m, respectively. If Pankaj throws his ball vertically up and Sudhir at an angle theta, both the balls stay in our view for the same period. both the balls stay in our view for the same period. Pankaj and Sudhir are playing [...]
A projectile is thrown with an initial velocity of v = ai + bj. If the range for projectile is double the maximum height reached by it. Find the ration b/a
21
Sep
A projectile is thrown with an initial velocity of v = ai + bj. If the range for projectile is double the maximum height reached by it. Find the ration b/a A projectile is thrown with an initial velocity of v = ai + bj. If the range for projectile is double the maximum height [...]
An object initially at rest explodes into three fragments A,B and C.The momentum of A is piˆ and that of B is 3–√pjˆ where p is a + ve number. The momentum of C will be
21
Sep
An object initially at rest explodes into three fragments A,B and C.The momentum of A is piˆ and that of B is 3–√pjˆ where p is a + ve number. The momentum of C will be An object initially at rest explodes into three fragments A B and C.The momentum of A is piˆ and [...]
A grasshopper can jump a maximum distance of 1.6 m. It spends negligible time on the ground. How far can it go in 10 s?
21
Sep
A grasshopper can jump a maximum distance of 1.6 m. It spends negligible time on the ground. How far can it go in 10 s? A grasshopper can jump a maximum distance of 1.6 m. It spends negligible time on the ground. How far can it go in 10 s? September 21, 2020 Category: Uncategorised [...]
A variable current flows through a 1 ohm resistor for 2 seconds. Time dependence of the current is shown in the graph.
21
Sep
A variable current flows through a 1 ohm resistor for 2 seconds. Time dependence of the current is shown in the graph. A variable current flows through a 1 ohm resistor for 2 seconds. Time dependence of the current is shown in the graph. September 21, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]