For an object thrown into then air at a 15 degree angle above the horizontal, the...
For an object thrown into then air at a 15 degree angle above the horizontal, the acceleration of the object due to gravity is: a) positive as the object rises and negative as it falls. b) negative as the object rises and positive as it falls. c )constant throughout the motion. d) zero at the instant the object reaches its highest point. e) both (c) and (d) are correct.
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For an object thrown into then air at a 15 degree angle above
the horizontal, the...
A ball is thrown with a speed of 20 m/s at an angle of 37# above...
A ball is thrown with a speed of 20 m/s at an angle of 37# above the horizontal (neglect air resistance). Which of the following is true: A. at the highest point its acceleration is zero. B. the velocity of the object is zero at the point of maximal elevation. C. the velocity in the horizontal direction is constant. D. the acceleration depends on the mass of the object.
A 2 kg rock is fired at an angle of 60 degree above the horizontal with...
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An object is thrown straight up from a height of one meter above the floor with...
An object is thrown straight up from a height of one meter above the floor with an initial speed of 10 m/s. the object rises to its highest point and falls back to the floor. Plot v-vs-t and a-vs-t for this motion on separate graphs.
An object is thrown at an angle of 35 degrees above horizontal with a velocity of...
An object is thrown at an angle of 35 degrees above horizontal with a velocity of 30 m/s. it hits the ground at an elevation that is 5 meters higher that elevation thrown from (a) what is the lowest combined velocity of the object during its travel (b) how far horizontally from the position thrown will itstrike the ground? (c) how long will it take to hit the ground?
An object is thrown upword verticlly, at the highiest point the object 1. has zero velocity...
An object is thrown upword verticlly, at the highiest point the object 1. has zero velocity and negative acceleration 2. has zero velocity and zero acceleration 3. has zero velocity and positive acceleration 4. has positive velocity and positive acceleration 5. has negative velocity and negative acceleration
6) A ball is thrown in a projectile motion trajectory with an initial velocity v at...
6) A ball is thrown in a projectile motion trajectory with an initial velocity v at an angle θ above the ground. If the acceleration due to gravity is which of the following is the correct expression of the time it takes for the ball to reach its highest point, y, from the ground? a. vsin c. vsie
A ball is thrown up in the air at an angle of 30 degrees. Which of...
A ball is thrown up in the air at an angle of 30 degrees. Which of the following is the correct equation for the horizontal motion of the ball (A) x = lvol2 (C) x xolol gt2 D x To+ 1vol gt2 (В) х%3D
An object with mass m is dragged along a horizontal plane by a force acting along a rope attached to the object as shown below mass horizontal plane If the rope makes an angle θ with the plane, then...
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A ball thrown horizontally with speed vi = 20.0 m/s travels a horizontal distance of d...
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1. If a rock is thrown into the air at a 30° degree angle with an...
1. If a rock is thrown into the air at a 30° degree angle with an velocity of 20m/s, what is the maximum height reached by the rock? 2. If a bullet is fired from an gun at a 60° angle with a velocity of 300m/s, how far does it reach before hitting the ground? 3. If the velocity function of an object is t)(t2-1)i+ (2t+2)js what is the instantancous speed of the object at t 2s 4. If the...
An object is thrown upword verticlly, at the highiest point the object 1. has zero velocity and negative acceleration 2. has zero velocity and zero acceleration 3. has zero velocity and positive acceleration 4. has positive velocity and positive acceleration 5. has negative velocity and negative acceleration
6) A ball is thrown in a projectile motion trajectory with an initial velocity v at an angle θ above the ground. If the acceleration due to gravity is which of the following is the correct expression of the time it takes for the ball to reach its highest point, y, from the ground? a. vsin c. vsie
A ball is thrown up in the air at an angle of 30 degrees. Which of the following is the correct equation for the horizontal motion of the ball (A) x = lvol2 (C) x xolol gt2 D x To+ 1vol gt2 (В) х%3D
An object with mass m is dragged along a horizontal plane by a force acting along a rope attached to the object as shown below mass horizontal plane If the rope makes an angle θ with the plane, then the magnitude of the force required to overcome friction is where g is the acceleration due to gravity and μ is a positive constant called the coefficient of riction, and we assume θ [0, π/2) Use the second derivative t tan...
1. If a rock is thrown into the air at a 30° degree angle with an velocity of 20m/s, what is the maximum height reached by the rock? 2. If a bullet is fired from an gun at a 60° angle with a velocity of 300m/s, how far does it reach before hitting the ground? 3. If the velocity function of an object is t)(t2-1)i+ (2t+2)js what is the instantancous speed of the object at t 2s 4. If the...
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