The horizontal range of a projectile fired at an angle of $$15^\circ$$ is $$50$$ m. If it is fired with the same speed at an angle of $$45^\circ$$, its range will be:
1. $$60$$ m
2. $$71$$ m
3. $$100$$ m
4. $$141$$ m

Subtopic: Â Projectile Motion |
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Two particles are projected in the air with speed $$v_0$$, at angles $$\theta_1$$ and $$\theta_2$$ to the horizontal, respectively. If the height reached by the first particle is greater than that of the second, then:

 (a) the angle of the projection: $$\theta_1>\theta_2$$ (b) the time of flight: $$T_1>T_2$$ (c) the horizontal range: $$R_1>R_2$$ (d) the total energy: $$U_1>U_2$$

Choose the correct option:
1. (a), (c), (d)
2. (a), (c)
3. (b), (c), (d)
4. (a), (b)

Subtopic: Â Projectile Motion |
Â 67%
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