I. Fig. 4: Projectile Motion IV Suppose that the motion of the projectile shown in the figure above is ideal without friction. Choose the correct statements on the motion in 1 and 2 below for this assumption. 1. (a) The value of vx is continuously positive and decreases only marginally over time. (b) The value of Vx varies from positive to negative over time. (c) The value of v, is always negative and increases marginally over time. (d) The value of Vx is still positive and constant over time. (e) The value of vx varies from negative to positive over time. 2. (a) The value of vy is still positive and decreases only marginally over time. (b) The value of vy is changed from positive to negative over time. (c) The value of v, is always negative and increases only slowly over time. (d) The value of vy is still positive and constant over time. (e) The value of vy is changed from negative to positive over time.

I. Fig. 4: Projectile Motion IV Suppose that the motion of the projectile shown in the figure above is ideal without friction. Choose the correct statements on the motion in 1 and 2 below for this assumption. 1. (a) The value of vx is continuously positive and decreases only marginally over time. (b) The value of Vx varies from positive to negative over time. (c) The value of v, is always negative and increases marginally over time. (d) The value of Vx is still positive and constant over time. (e) The value of vx varies from negative to positive over time. 2. (a) The value of vy is still positive and decreases only marginally over time. (b) The value of vy is changed from positive to negative over time. (c) The value of v, is always negative and increases only slowly over time. (d) The value of vy is still positive and constant over time. (e) The value of vy is changed from negative to positive over time.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section17.5: The First Law Of Thermodynamics

Problem 17.4QQ

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Question

I.
Fig. 4: Projectile Motion IV
Suppose that the motion of the projectile shown in the figure above is ideal without friction.
Choose the correct statements on the motion in 1 and 2 below for this assumption.
1.
(a) The value of vx is continuously positive and decreases only marginally over time.
(b) The value of Vx varies from positive to negative over time.
(c) The value of v, is always negative and increases marginally over time.
(d) The value of Vx is still positive and constant over time.
(e) The value of vx varies from negative to positive over time.
2.
(a) The value of vy is still positive and decreases only marginally over time.
(b) The value of vy is changed from positive to negative over time.
(c) The value of v, is always negative and increases only slowly over time.
(d) The value of vy is still positive and constant over time.
(e) The value of vy is changed from negative to positive over time.

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