A cart is moving horizontally along a straight line with constant speed 30 m/s. A projectile is to be fired from the moving cart in such a way that it will return to the cart after the cart has moved 80 m. At what speed (relative to the cart) must the projectile be fired (Take g = 10 m/s2) - VgyanHub

Question:

A cart is moving horizontally along a straight line with constant speed 30 m/s. A projectile is to be fired from the moving cart in such a way that it will return to the cart after the cart has moved 80 m. At what speed (relative to the cart) must the projectile be fired (Take g = 10 m/s2)

Options :

(a) 10 m/s
(b) 10√8 m/s
(c) 40/3 m/s
(d) None of the above

Answer :

(c) 40/3 m/s

Answer Steps :

Video Tutorial

Related Questions

If a high power heater is connected to electric mains, then the bulbs in the house become dim, because there is a

Two wires ‘A’ and ‘B’ of the same material have their lengths in the ratio 1: 2 and radii in the ratio 2: 1. The two wires are connected in parallel across a battery. The ratio of the heat produced in ‘A’ to the heat produced in ‘B’ for the same time is

A piece of fuse wire melts when a current of 15 ampere flows through it. With this current, if it dissipates 22.5 W, the resistance of fuse wire will be

Explore Our Courses