Su calu
Alb. 14
, 6
B. 2075 Set B Q. No. 9d A body is projected upwards makings
angle with the horizontal with a velocity of 300 ms -1
the value of angle so that the horizontal range will be maxim
Hence find its range and time of flight.
Ans: 45°, 9000 m, 42.42 se

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

If a star is moving toward earth, it is

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.