unu TIU IRitial vertical velocity as it enters a deflector inside a´TV tube. The electron strikes the screen after traveling 17.0 ćm horizontally and 40.0 cm vertically upward with no horizontal´acceleratión. What is the / constant vertical acceleration provided by the deflector? (The effects of gravity can be ignored.) ANS 2.5 × 1014 m/s2 2) What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible? ANS: 0.79 m 3) A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground and experience negligible air resistance. (a) What is the magnitude of the ball's velocity just before it hits the ground? (b) At what angle below the horizontal does the ball approach the ground? Answer: (a) 9.14 m/s (b) 47.9° 4) A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x = 60.0 m/s = 175 m/s, as shown in the figure. The 175 %3D and voy

unu TIU IRitial vertical velocity as it enters a deflector inside a´TV tube. The electron strikes the screen after traveling 17.0 ćm horizontally and 40.0 cm vertically upward with no horizontal´acceleratión. What is the / constant vertical acceleration provided by the deflector? (The effects of gravity can be ignored.) ANS 2.5 × 1014 m/s2 2) What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible? ANS: 0.79 m 3) A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground and experience negligible air resistance. (a) What is the magnitude of the ball's velocity just before it hits the ground? (b) At what angle below the horizontal does the ball approach the ground? Answer: (a) 9.14 m/s (b) 47.9° 4) A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x = 60.0 m/s = 175 m/s, as shown in the figure. The 175 %3D and voy

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 4.4CYU: Check Your Understanding If the two golf shots in Example 4.9 were bunched at the same speed, which...

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