Physics

Physics, 30.08.2019 08:30, Patricia2121

How is a projectile’s initial speed related to its height and horizontal displacement?

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Physics, 12.07.2019 22:10, stodd9503

Aprojectile is launched with initial speed v and angle ? over level ground. the projectile's maximum height h and horizontal range d are related by the equation d = 1.8h, what was the launch angle of the projectile?

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Physics, 07.09.2019 00:10, kaykay9243

1. an arrow is shot with an initial velocity of 60.0 m/s at an angle of 30.0° above the horizontal. what is the maximum height it will reach? a. 23 m b. 46 m c. 69 m d. 92 m 2. a projectile is launched horizontally from a cliff with an initial speed of 40 m/s. the cliff is 125 m high and the projectile travels a horizontal distance of 200 m from the bottom of the cliff. what is the speed of the projectile right before it hits the ground? a. 48 m/s b. 52 m/s c. 56 m/s d. 60 m/s e. 64 m/s

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Physics, 25.09.2019 05:10, yoda78

1. an arrow is shot with an initial velocity of 60.0 m/s at an angle of 30.0° above the horizontal. what is the maximum height it will reach? a. 23 m b. 46 m c. 69 m d. 92 m 2. a projectile is launched horizontally from a cliff with an initial speed of 40 m/s. the cliff is 125 m high and the projectile travels a horizontal distance of 200 m from the bottom of the cliff. what is the speed of the projectile right before it hits the ground? a. 48 m/s b. 52 m/s c. 56 m/s d. 60 m/s e. 64 m/s

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Physics, 15.10.2019 17:30, Toni1816

Which of the following statements are true of the horizontal motion of projectiles? list all that apply.a. a projectile does not have a horizontal velocity.b. a projectile with a rightward component of motion will have a rightward component of acceleration.c. the horizontal velocity of a projectile changes by 9.8 m/s each second.d. a projectile with a horizontal component of motion will have a constant horizontal velocity.e. the horizontal velocity of a projectile is 0 m/s at the peak of its trajectory.f. the horizontal velocity of a projectile is unaffected by the vertical velocity; these two components of motion are independent of each other.g. the horizontal displacement of a projectile is dependent upon the time of flight and the initial horizontal velocity.h. the final horizontal velocity of a projectile is always equal to the initial horizontal velocity.i. as a projectile rises towards the peak of its trajectory, the horizontal velocity will decrease; as it falls from the peak of its trajectory, its horizontal velocity will decrease.

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