A bullet is fired from the ground with an initial velocity of 50 m/s that makes with the horizontalan angle of 30°. The y-component of the velocity (v,) of this object after 1 second is:(Take g = 10 m/s²).A. O m/sB. 10 m/sC. 15m/sD. 25m/sE. 50m/s Practice Sheet 2A block of mass m = 6 kg moves along a rough horizontal surface with a constant speeddue to the presence of an applied force F = 20 N as shown in the figure. The coefficientof kinetic friction 4gbetween the block and the surface is equal to:(g = 10m/s*)A. H = 0.33B. H = 0.44C. Hk = 0.25D. Hk=0.5constant speedE. Hk = 0.65

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A bullet is fired from the ground with an initial velocity of 50 m's that makes with the horizontal an angle of 30°. The y-component of the velocity (v,) of this object after I second is: (Take g = 10 m/s²). A. O m/s B. 10 m/s C. 15m/s D. 25m/s E. S0m/s

A bullet is fired from the ground with an initial velocity of 50 m's that makes with the horizontal an angle of 30°. The y-component of the velocity (v,) of this object after I second is: (Take g = 10 m/s²). A. O m/s B. 10 m/s C. 15m/s D. 25m/s E. S0m/s

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 19P

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

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A bullet is fired from the ground with an initial velocity of 50 m/s that makes with the horizontal
an angle of 30°. The y-component of the velocity (v,) of this object after 1 second is:
(Take g = 10 m/s²).
A. O m/s
B. 10 m/s
C. 15m/s
D. 25m/s
E. 50m/s

Practice Sheet 2
A block of mass m = 6 kg moves along a rough horizontal surface with a constant speed
due to the presence of an applied force F = 20 N as shown in the figure. The coefficient
of kinetic friction 4gbetween the block and the surface is equal to:
(g = 10m/s*)
A. H = 0.33
B. H = 0.44
C. Hk = 0.25
D. Hk=0.5
constant speed
E. Hk = 0.65

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