1. The position function of a projectile is given by: r(t) = (5.0 t +...
1. The position function of a projectile is given by:
r(t) = (5.0 t + 6.0 t2) m i + (30 – t3) m j
- From what height above the ground was the projectile launched?
- What is the displacement of the particle in magnitude angle form at t = 2.0 s?
- What is the time taken for the projectile to land on the ground?
- What is the horizontal displacement of the projectile when it lands on the ground?
- What is the time taken by the particle to reach the maximum height?
- What is the velocity of the projectile (in magnitude angle form) when it lands on the ground?
Homework Answers
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1. The position
function of a projectile is given by:
r(t) = (5.0 t +...
A projectile is launched with an initial speed of 40 m/s at an angle of 25°...
A projectile is launched with an initial speed of 40 m/s at an angle of 25° above the horizontal. (a) What are the horizontal and the vertical components of initial velocity. (b) Find the time taken by the projectile to reach the highest point and its height at the highest point. (c) How long does it take the projectile to hit the ground after launch and how far from the starting point it hits the ground. (d) Calculate the velocity...
1. A projectile is launched horizontally from a height above level ground of 3 m. When...
1. A projectile is launched horizontally from a height above level ground of 3 m. When it hits the ground, it's horizonta displacement from the launch point is 7 m. a. b. How much time does it spend in flight? With what speed was it launched? Suppose the projectile were now launched from the same point at an angle of 45 above the horizontal. a. b. How much time does it spend in the air? What is its horizontal displacement...
1. 2. Please answer both questions. A projectile is fired up into the air at a...
1. 2.
Please answer both questions.
A projectile is fired up into the air at a speed of 127 m/s at an angle of 38° relative to the horizontal. Ignore air drag A.) Determine the MAXIMUM HEIGHT (above where it was thrown) the projectile will reach X Dimensionally incorrect. Please check the type or dimension of your unit B.) Determine how LONG the projectile will be in the air. Assume it lands at the same height it was launched. C.)Assuming...
A projectile is launched at an angle of 60° from the horizontal and lands 98 s...
A projectile is launched at an angle of 60° from the horizontal and lands 98 s later at the same height from which it was launched (a) What is the initial speed of the projectile (in m/s)? m/s (b) What is the maximum altitude (in m)? (c) What is the range (in m)? (d) Calculate the displacement (in m) from the point of launch to the position on its trajectory at 90 s. (Express your answer in vector form. Assume...
A projectile is shot horizontally off the top of a building at a speed of 5.0...
A projectile is shot horizontally off the top of a building at a speed of 5.0 m/s and lands on the ground 3.0 seconds later. While the projectile is in flight, what is the force on it? (Magnitude and direction) What is the height of the building? How far from the building does the projectile land? What is the y component of the projectile’s velocity just as it lands? What is the x component of the projectile’s velocity just as...
A projectile is shot horizontally off the top of a building at a speed of 5.0...
A projectile is shot horizontally off the top of a building at a speed of 5.0 m/s and lands on the ground 3.0 seconds later. (a) While the projectile is in flight, what is the force on it? (magnitude and direction) (b) What is the height of the building? (d) How far from the building does the projectile land? (e) What is the y component of the the projectile's velocity just as it lands? (f) What is the x component...
A projectile is launched from level ground at an angle of 30 degrees to the horizontal....
A projectile is launched from level ground at an angle of 30
degrees to the horizontal. If the magnitude of the launch velocity
is 30 m/s, calculate the time rate of change in speed and radius of
curvature when t=1, 2, and when the projectile is at its max
height.
Please do the problem how the description says to do it
below and put the answer neatly in a table format. Thank
you.
2) A projectile is launched from level...
At time t = 0, a projectile is launched from ground level. At t = 2.00...
At time t = 0, a projectile is launched from ground level. At t = 2.00 s, it is displaced d = 51 m horizontally and h 76 m vertically above the launch point, what are the (a) horizontal and (b) vertical components of the initial velocity of the projectile? (c) At the instant it reaches its maximum height above ground level, what is its horizontal displacement D from the launch point?
You launch a projectile from level ground at a speed of 25.0 m/s and an angle...
You launch a projectile from level ground at a speed of 25.0 m/s and an angle of 36.9∘ above the horizontal. a) How long after it is launched does the projectile reach its maximum height above the ground? b) What is the maximum height of the projectile? c) How long after the projectile is launched does it return to ground level? d) How far from its launch point does the projectile land?
The position, as a function of time, of a projectile is given as x = 15.0...
The position, as a function of time, of a projectile is given as x = 15.0 m + (6.0 m/s)t y = 30.0 m + (4.9 m/s)t−(4.9 m/s^2)t^2 At what time, in s, is the projectile at its maximum height?
1. A projectile is launched horizontally from a height above level ground of 3 m. When it hits the ground, it's horizonta displacement from the launch point is 7 m. a. b. How much time does it spend in flight? With what speed was it launched? Suppose the projectile were now launched from the same point at an angle of 45 above the horizontal. a. b. How much time does it spend in the air? What is its horizontal displacement...
1. 2.
Please answer both questions.
A projectile is fired up into the air at a speed of 127 m/s at an angle of 38° relative to the horizontal. Ignore air drag A.) Determine the MAXIMUM HEIGHT (above where it was thrown) the projectile will reach X Dimensionally incorrect. Please check the type or dimension of your unit B.) Determine how LONG the projectile will be in the air. Assume it lands at the same height it was launched. C.)Assuming...
A projectile is launched at an angle of 60° from the horizontal and lands 98 s later at the same height from which it was launched (a) What is the initial speed of the projectile (in m/s)? m/s (b) What is the maximum altitude (in m)? (c) What is the range (in m)? (d) Calculate the displacement (in m) from the point of launch to the position on its trajectory at 90 s. (Express your answer in vector form. Assume...
A projectile is launched from level ground at an angle of 30
degrees to the horizontal. If the magnitude of the launch velocity
is 30 m/s, calculate the time rate of change in speed and radius of
curvature when t=1, 2, and when the projectile is at its max
height.
Please do the problem how the description says to do it
below and put the answer neatly in a table format. Thank
you.
2) A projectile is launched from level...
At time t = 0, a projectile is launched from ground level. At t = 2.00 s, it is displaced d = 51 m horizontally and h 76 m vertically above the launch point, what are the (a) horizontal and (b) vertical components of the initial velocity of the projectile? (c) At the instant it reaches its maximum height above ground level, what is its horizontal displacement D from the launch point?
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