Chapter 3 – Motion in a Straight Line
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1 kg body explodes into three fragments. The ratio of their masses is 1:1:3. The fragments of same mass move perpendicular to each other with a speed of 30m/s, while the heavier part remains n the initial direction. The speed of heavier part is
24
Aug
1 kg body explodes into three fragments. The ratio of their masses is 1:1:3. The fragments of same mass move perpendicular to each other with a speed of 30m/s, while the heavier part remains n the initial direction. The speed of heavier part is 1 kg body explodes into three fragments. The ratio of their [...]
A player takes 0.1s I catching a ball of mass 150 g moving with velocity of 20 m/s. The force imparted by the bal on the hands of the player is
24
Aug
A player takes 0.1s I catching a ball of mass 150 g moving with velocity of 20 m/s. The force imparted by the bal on the hands of the player is A player takes 0.1s I catching a ball of mass 150 g moving with velocity of 20 m/s. The force imparted by the bal [...]
A boat is sent across a river with a velocity of 8 km hr^-1. If the resultant velocity of boat is 10 km hr^-1, then velocity of the river is
23
Aug
A boat is sent across a river with a velocity of 8 km hr^-1. If the resultant velocity of boat is 10 km hr^-1, then velocity of the river is A boat is sent across a river with a velocity of 8 km hr^-1. If the resultant velocity of boat is 10 km hr^-1 then [...]
The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 min. The velocity of river water is
23
Aug
The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 min. The velocity of river water is The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 [...]
A person aiming to reach the exactly opposite point on the bank of a river. hid speed of swimming with a speed of 0.5 m/s at an angle of 120 degree with the direction of flow of water. The speed of water in the stream is
23
Aug
A person aiming to reach the exactly opposite point on the bank of a river. hid speed of swimming with a speed of 0.5 m/s at an angle of 120 degree with the direction of flow of water. The speed of water in the stream is Two particles A and B are connected by a [...]
The maximum range of a gun or horizontal range is 16 km. If g = 10 ms^-2. The muzzle velocity of the shell must be:-
23
Aug
The maximum range of a gun or horizontal range is 16 km. If g = 10 ms^-2. The muzzle velocity of the shell must be:- The maximum range of a gun or horizontal range is 16 km. If g = 10 ms^-2. The muzzle velocity of the shell must be:- August 23, 2020 Category: Chapter [...]
Two bodies of same mass are projected with the same velocity at an angle 30 degree and 60 degree respectively.The ratio of their horizontal ranges will be
23
Aug
Two bodies of same mass are projected with the same velocity at an angle 30 degree and 60 degree respectively.The ratio of their horizontal ranges will be Two bodies of same mass are projected with the same velocity at an angle 30 degree and 60 degree respectively.The ratio of their horizontal ranges will be August [...]
Two particle are projected with same initial velocities at an angle 30 degree and 60 degree with the horizontal .Then
23
Aug
Two particle are projected with same initial velocities at an angle 30 degree and 60 degree with the horizontal .Then Two particle are projected with same initial velocities at an angle 30 degree and 60 degree with the horizontal .Then August 23, 2020 Category: Chapter 2 - Vectors , Chapter 3 - Motion in a [...]
Two particles A and B are connected by a rigid rod AB. The rod slides on perpendicular rails as shown in figure. The velocity of A to the left is 10m/s. What is velocity of B when α=60 degree ?
23
Aug
Two particles A and B are connected by a rigid rod AB. The rod slides on perpendicular rails as shown in figure. The velocity of A to the left is 10m/s. What is velocity of B when α=60 degree ? Two particles A and B are connected by a rigid rod AB. The rod slides [...]
P is the contact point of a wheel on ground The radius of wheel is 1m. the wheel rolls on the ground without slipping. The displacement of the point P when wheel completes half rotation is
23
Aug
P is the contact point of a wheel on ground The radius of wheel is 1m. the wheel rolls on the ground without slipping. The displacement of the point P when wheel completes half rotation is P is the contact point of a wheel on ground The radius of wheel is 1m. the wheel rolls [...]