BIO Spiraling Up. Birds of prey typically rise upward on thermals. The paths these birds take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume that a bird completes a circle of radius 6.00 m every 5.00 s and rises vertically at a constant rate of 3.00 m/s. Determine (a) the bird’s speed relative to the ground: (b) the bird s acceleration (magnitude and direction); and (c) the angle between the bird’s velocity vector and the horizontal.
BIO Spiraling Up. Birds of prey typically rise upward on thermals. The paths these birds take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume that a bird completes a circle of radius 6.00 m every 5.00 s and rises vertically at a constant rate of 3.00 m/s. Determine (a) the bird’s speed relative to the ground: (b) the bird s acceleration (magnitude and direction); and (c) the angle between the bird’s velocity vector and the horizontal.
BIO Spiraling Up. Birds of prey typically rise upward on thermals. The paths these birds take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume that a bird completes a circle of radius 6.00 m every 5.00 s and rises vertically at a constant rate of 3.00 m/s. Determine (a) the bird’s speed relative to the ground: (b) the bird s acceleration (magnitude and direction); and (c) the angle between the bird’s velocity vector and the horizontal.
A projectile is fired horizontally with speed 6.0 m/s from the top of a cliff of height 14
m. It immediately enters a fixed tube with length 5.Om, as shown in Figure. There is
friction between the projectile and the tube, the effect of which is to make the
projectile decelerate with constant acceleration -3. 0 m/s². After the projectile leaves
the tube, it undergoes normal projectile motion down to the ground. Calculate the total
horizontal distance, I, that the projectile travels. (g-9.8 m/s²)
Vo
Starting from point A with an initial velocity v₁=5 m/s, a small ball begins to move on a
smooth inclined plane. The direction of the initial velocity is parallel to the base line CD of the
slope as shown. Knowing that = 30°, determine: ℗ the time required for the small ball to
reach point B; 2 the distance d between points B and D.
v=5m/s
Br
D
d
B
Im
A rocket accelerates at 25m/s2 from rest on a frictionless inclined surface. The inclined ramp has a height of 70m and makes a 32 degrees angle above the ground. The rocket stops accelerating at the instant it leaves the incline. If air resistance is negligible, what is the horizontal distance 'R' from the end of the ramp to the point of impact (where it hits the ground)?
a) Draw a diagram of this situation and be sure to include the distance 'R'
b) Calculate the distance 'R' from the end of the ramp to the point of impact.
1.Draw the clear diagram
2. Give the indicating distance 'R'
3. Show your work
4. Find vertical and horizontal components of velocity when rocket leaves ramp
5. Find distance 'R'
Chapter 3 Solutions
University Physics with Modern Physics (14th Edition)
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