Which of the following statements is true? a. when a hang fire or misfire happens, immediately eject the cartridge or shell to clear the chamber. b.magnum loads should be fired occasionally in all firearms to clean out the barrel. c.never carry more than one caliber or gauge of ammunition at the same time. d.a hang fire is when the primer fails to ignite the powder.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car