A dart gun has a spring of spring constant k = 13 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.7 m/s after the spring is compressed 1 cm. What is the weight, Fg in Newtons, of the dart? What is the dart’s speed when it hits the floor vf, in m/s, if it is fired horizontally at a height of h = 2 meters? What angle, θ in degrees, does the dart's final velocity make with the horizontal?

A dart gun has a spring of spring constant k = 13 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.7 m/s after the spring is compressed 1 cm. What is the weight, Fg in Newtons, of the dart? What is the dart’s speed when it hits the floor vf, in m/s, if it is fired horizontally at a height of h = 2 meters? What angle, θ in degrees, does the dart's final velocity make with the horizontal?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 37P: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an...

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A dart gun has a spring of spring constant k = 13 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.7 m/s after the spring is compressed 1 cm.

What is the weight, F_g in Newtons, of the dart?

What is the dart’s speed when it hits the floor v_f, in m/s, if it is fired horizontally at a height of h = 2 meters?

What angle, θ in degrees, does the dart's final velocity make with the horizontal?

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