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A shot is fired at an angle theta to the horizontal such that it strikes the hill while moving horizontally. Find the initial angle of projection theta.
24
Sep
A shot is fired at an angle theta to the horizontal such that it strikes the hill while moving horizontally. Find the initial angle of projection theta. A shot is fired at an angle theta to the horizontal such that it strikes the hill while moving horizontally. Find the initial angle of projection theta. September [...]
Jai is standing on the top of a building of height 25 m he wants to throw his gun to Veeru who stands on top of another building of height 20 m at distance 15 m from first building. For which
24
Sep
Jai is standing on the top of a building of height 25 m he wants to throw his gun to Veeru who stands on top of another building of height 20 m at distance 15 m from first building. For which Jai is standing on the top of a building of height 25 m he [...]
An aeroplane is flying vertically upwards. When it is at a height of 1000 m above the ground and moving at a speed of 367 m/s. a shot is fired at it with a speed of 567 m/s from a point directly below it.
24
Sep
An aeroplane is flying vertically upwards. When it is at a height of 1000 m above the ground and moving at a speed of 367 m/s. a shot is fired at it with a speed of 567 m/s from a point directly below it. Two guns on a battleship simultaneously fire two shells with same [...]
Two identical balls are set into motion simultaneously from equal heights h. While the ball A is thrown horizontally with velocity v, the ball B is just released to fall by itself. Choose the alternative that best
24
Sep
Two identical balls are set into motion simultaneously from equal heights h. While the ball A is thrown horizontally with velocity v, the ball B is just released to fall by itself. Choose the alternative that best the ball B is just released to fall by itself. Choose the alternative that best Two identical balls [...]
The initial and final velocities of an object are as shown in Fig. A.23(a). Which arrows shown in Fig. A.23(b) can represent average acceleration vector?
24
Sep
The initial and final velocities of an object are as shown in Fig. A.23(a). Which arrows shown in Fig. A.23(b) can represent average acceleration vector? The initial and final velocities of an object are as shown in Fig. A.23(a). Which arrows shown in Fig. A.23(b) can represent average acceleration vector? September 24, 2020 Category: Uncategorised [...]
Two guns on a battleship simultaneously fire two shells with same speed at enemy ships. If the shells follow the parabolic trajectories as shown in Fig. A.22, which ship will get hit first?
24
Sep
Two guns on a battleship simultaneously fire two shells with same speed at enemy ships. If the shells follow the parabolic trajectories as shown in Fig. A.22, which ship will get hit first? Two guns on a battleship simultaneously fire two shells with same speed at enemy ships. If the shells follow the parabolic trajectories [...]
A car is moving in east direction. It takes a right turn and move along south direction without change in its speed. What is the direction of average acceleration of the car?
24
Sep
A car is moving in east direction. It takes a right turn and move along south direction without change in its speed. What is the direction of average acceleration of the car? A car is moving in east direction. It takes a right turn and move along south direction without change in its speed. What [...]
Figure A.21 shows path followed by a particle and position of a particle at any instant. Four different students have represented the velocity vectors and acceleration vectors at the given instant. Which vector diagram cannot be true
24
Sep
Figure A.21 shows path followed by a particle and position of a particle at any instant. Four different students have represented the velocity vectors and acceleration vectors at the given instant. Which vector diagram cannot be true A particle is thrown at time t = 0 with a velocity of 10 m/s at an angle [...]
Figure A.20 shows the velocity and acceleration of a point line body at the initial moment of its motion. The acceleration vector of the body remains constant. The minimum radius of curvature of trajectory of the body is
24
Sep
Figure A.20 shows the velocity and acceleration of a point line body at the initial moment of its motion. The acceleration vector of the body remains constant. The minimum radius of curvature of trajectory of the body is A particle is thrown at time t = 0 with a velocity of 10 m/s at an [...]
Two particles P and Q are projected simultaneously away from each other from a point A as shown in figure. The velocity of P relative to Q in m/s at the instant when the motion of P is horizontal is
24
Sep
Two particles P and Q are projected simultaneously away from each other from a point A as shown in figure. The velocity of P relative to Q in m/s at the instant when the motion of P is horizontal is Two particles P and Q are projected simultaneously away from each other from a point [...]