Question
In: Physics
A blue ball is thrown upward with an initial speed of 22.2 m/s, from a height...
A blue ball is thrown upward with an initial speed of 22.2 m/s, from a height of 0.5 meters above the ground. 2.7 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 10.7 m/s from a height of 26.9 meters above the ground. The force of gravity due to the earth results in the balls each having a constant downward acceleration of 9.81 m/s2
a. What is the height of the red ball 3.51 seconds after the blue ball is thrown?
b. How long after the blue ball is thrown are the two balls in the air at the same height?
c. Which plot correctly shows the velocity of the two balls as a function of time?
d. Which statement is true about the blue ball after it has reached its maximum height and is falling back down?
The acceleration is positive and it is speeding up
The acceleration is negative and it is speeding up
The acceleration is positive and it is slowing down
The acceleration is negative and it is slowing down
Solutions
genius_generous answered 1 year agoRelated Solutions
A blue ball is thrown upward with an initial speed of 24.3 m/s, from a height...
A blue ball is thrown upward with an initial speed of 24.3 m/s,
from a height of 0.9 meters above the ground. 3 seconds after the
blue ball is thrown, a red ball is thrown down with an initial
speed of 8.2 m/s from a height of 33.3 meters above the ground. The
force of gravity due to the earth results in the balls each having
a constant downward acceleration of 9.81 m/s2.
4) What is the height of the...
•A ball is thrown upward from an initial height of 4.9 m with an initial speed...
•A ball is thrown upward from an initial height of
4.9 m with an initial speed of 9.8 m/s
•How high is the ball 2.0 s later?
•What is the velocity of the ball at its highest point
•When does it reach Its highest point
•How high does the ball go?
•When does the ball hit the ground?
•How fast is it going when (right before) it hits the
ground?
Ball Thrown upward with an initial speed of 14.7m/s from a height of 89m a)Draw the...
Ball Thrown upward with an initial speed of 14.7m/s from a
height of 89m
a)Draw the sketch of this motion
b) State the theory that describes this motion
c) Write the velocity and position kinematics equations with the
number obtained from the sketch
d) Solve all unknowns
- Final velocity
- How long it takes that ball hit the ground
- Maximum Height
- Acceleration (I think its gravity)
e) Draw the velocity vs time and position vs time graphs
A red ball is thrown down with an initial speed of 1.4 m/s from a height...
A red ball is thrown down with an initial speed of 1.4 m/s from
a height of 29 meters above the ground. Then, 0.6 seconds after the
red ball is thrown, a blue ball is thrown upward with an initial
speed of 25.6 m/s, from a height of 1 meters above the ground. The
force of gravity due to the earth results in the balls each having
a constant downward acceleration of 9.81 m/s2.
1)
What is the speed of...
A red ball is thrown down with an initial speed of 1.3 m/s from a height...
A red ball is thrown down with an initial speed of 1.3 m/s from
a height of 27 meters above the ground. Then, 0.5 seconds after the
red ball is thrown, a blue ball is thrown upward with an initial
speed of 23.9 m/s, from a height of 0.7 meters above the ground.
The force of gravity due to the earth results in the balls each
having a constant downward acceleration of 9.81
m/s2.
1)
What is the speed of...
A red ball is thrown down with an initial speed of 1.3 m/s from a height...
A red ball is thrown down with an initial speed of 1.3 m/s from
a height of 27 meters above the ground. Then, 0.5 seconds after the
red ball is thrown, a blue ball is thrown upward with an initial
speed of 24.8 m/s, from a height of 0.7 meters above the ground.
The force of gravity due to the earth results in the balls each
having a constant downward acceleration of 9.81
m/s2.
1) What is the speed of...
A 0.300 kg ball is thrown vertically upward with an initial speed of 10.0 m/s. The...
A
0.300 kg ball is thrown vertically upward with an initial speed of
10.0 m/s. The initial potential energy is taken as zero (y1 = 0).
(a) Find the ball’s speed at 2.50 m above the initial position. (b)
Find the maximum height of the ball.
A 1.5 kg ball is thrown vertically upward with an initial speed of 15 m/s. If...
A 1.5 kg ball is thrown vertically upward with an initial speed
of 15 m/s. If the initial potential energy is taken as zero, find
the ball’s kinetic, potential, and mechanical energies (a) at its
initial position, (b) at 5 m above the initial position, and (c) at
its maximum height.
. A 0.56-kg ball is thrown vertically upward with an initial speed of 15.5 m/s. What...
. A 0.56-kg ball is thrown vertically upward with an initial
speed of 15.5 m/s. What is the speed of the ball when it has
travelled one-half of the distance to its maximum height?
The trajectory of a rock thrown from a height with an initial speed of 19.7 m/s...
The trajectory of a rock thrown from a height with an initial
speed of 19.7 m/s is shown in the figure below. Evaluate the
magnitude of the gravitational field at the surface of the planet.
The planet has no atmosphere.
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