13. A sky diver in free fall reaches a speed of 65.2 m/s when she opens her parachute.re The parachute quickly slows her down to 7.30 m/s at a constant rate of 29.4 m/s2. During this period of acceleration, how far does she fall?
13. A sky diver in free fall reaches a speed of 65.2 m/s when she opens her parachute.re The parachute quickly slows her down to 7.30 m/s at a constant rate of 29.4 m/s2. During this period of acceleration, how far does she fall?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 114CP: A cyclist sprints at the end of a race to clinch a victory. She has an initial velocity of 11.5 m/s...
Related questions
Question
Please answer #13, #15, and #18, thanks!!
![12.0 m/s for 1.20 min and then coasts
down in a canyon. The friend caught it
21.2 s later. If the total distance traveled
is 1321 m, then what is the acceleration
the rock have a velocity of 48 m/s toward
3.00 m above the water. A diving instruc-
18. A hiker tossed a water bottle to a friend
19. A rock is thrown upward with a speed of
Additional Problems
17. A Cyclist rides at a constant speed of
11. The v-t graph of a car is shown in the accom-
panying figure. What is the displacement
of the car from t = 0.00 s to t= 15.0 s?
to a stop with uniform acceleration
aboaqor o R
amo otom
while the bike coasts to a stop?
30.0
15.0 E
4.78 s later. What is the height of the
d or orlt tol le
canyon?
0.00
8.00
16.00
26 m/s. How long after it is thrown wi
4.00
12.00
Time (s)
baog adrai Wsonsteias
the ground?
20. The high-dive board at most pools is
-15.0
io bolls si
faldigilgon at DS|do
diiw gnivom aisu A .8
12. Suppose a car rolls down a 52.0-m-long
inclined parking lot and is stopped by a
fence. If it took the car 11.25 s to roll
down the hill, what was the acceleration
of the car before striking the fence? .e
13. A sky diver in free fall reaches a speed of
65.2 m/s when she opens her parachute.
The parachute quickly slows her down to
7.30 m/s at a constant rate of 29.4 m/s2.
During this period of acceleration, how
-30.0 F
tor dives off the board and strikes th
water 1.18 s later,
a. What was the initial velocity of the
diver?
b. How high above the board did the
diver rise?mit
Chapter 4 0
VET 1adi l
1. Draw a free-body diagram for the space
shuttle just after it leaves the ground.
Identify the forces acting on the shuttle.
Make sure that you do not neglect air
mo resistance. Also be sure that you indicate
the direction of the acceleration, as well
as the net force.mon TO , ligt intig
2. Draw a free-body diagram for a goldfish
that is motionless in the middle of a fish-
bowl. Identify the forces acting on the
fish. Indicate the direction of the net force
on the fish and the direction of the accel-
eration of the fish.ow JsdvW2
far does she fall?
14. A child rolls a ball up a hill at 3.24 m/s.
If the ball experiences an acceleration of
2.32 m/s², how long will it take for the
ball to have a velocity of 1.23 m/s down
the hill?
15. A cheetah can accelerate from rest to a
speed of 27.8 m/s in 5.20 s. The cheetah
can maintain this speed for 9.70 s before
it quickly runs out of energy and stops.
What distance does the cheetah cover
during this 14.9-s run?
16. A cab driver in a hurry is sitting at a red
light. When the light turns green she rap-
0. idly accelerates for 3.50 s at 6.80 m/s².
di no
e\m 0. 16 cngb ini
The next light is still red. She then slams
on the brakes, accelerating at a rate of
16-9.60 m/s² before coming to rest at the
stop light. What was her total distance for
this trip?081 lo sonleaisvos bns
bnuojt im o
id l
160 lo- /
Appendix B
Appendix B
Velocity (m/s)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa54864fa-9927-4000-a3c3-5023f8c97f17%2F65ac337a-8184-4248-9129-65ab1f9de33c%2Fawobkpi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:12.0 m/s for 1.20 min and then coasts
down in a canyon. The friend caught it
21.2 s later. If the total distance traveled
is 1321 m, then what is the acceleration
the rock have a velocity of 48 m/s toward
3.00 m above the water. A diving instruc-
18. A hiker tossed a water bottle to a friend
19. A rock is thrown upward with a speed of
Additional Problems
17. A Cyclist rides at a constant speed of
11. The v-t graph of a car is shown in the accom-
panying figure. What is the displacement
of the car from t = 0.00 s to t= 15.0 s?
to a stop with uniform acceleration
aboaqor o R
amo otom
while the bike coasts to a stop?
30.0
15.0 E
4.78 s later. What is the height of the
d or orlt tol le
canyon?
0.00
8.00
16.00
26 m/s. How long after it is thrown wi
4.00
12.00
Time (s)
baog adrai Wsonsteias
the ground?
20. The high-dive board at most pools is
-15.0
io bolls si
faldigilgon at DS|do
diiw gnivom aisu A .8
12. Suppose a car rolls down a 52.0-m-long
inclined parking lot and is stopped by a
fence. If it took the car 11.25 s to roll
down the hill, what was the acceleration
of the car before striking the fence? .e
13. A sky diver in free fall reaches a speed of
65.2 m/s when she opens her parachute.
The parachute quickly slows her down to
7.30 m/s at a constant rate of 29.4 m/s2.
During this period of acceleration, how
-30.0 F
tor dives off the board and strikes th
water 1.18 s later,
a. What was the initial velocity of the
diver?
b. How high above the board did the
diver rise?mit
Chapter 4 0
VET 1adi l
1. Draw a free-body diagram for the space
shuttle just after it leaves the ground.
Identify the forces acting on the shuttle.
Make sure that you do not neglect air
mo resistance. Also be sure that you indicate
the direction of the acceleration, as well
as the net force.mon TO , ligt intig
2. Draw a free-body diagram for a goldfish
that is motionless in the middle of a fish-
bowl. Identify the forces acting on the
fish. Indicate the direction of the net force
on the fish and the direction of the accel-
eration of the fish.ow JsdvW2
far does she fall?
14. A child rolls a ball up a hill at 3.24 m/s.
If the ball experiences an acceleration of
2.32 m/s², how long will it take for the
ball to have a velocity of 1.23 m/s down
the hill?
15. A cheetah can accelerate from rest to a
speed of 27.8 m/s in 5.20 s. The cheetah
can maintain this speed for 9.70 s before
it quickly runs out of energy and stops.
What distance does the cheetah cover
during this 14.9-s run?
16. A cab driver in a hurry is sitting at a red
light. When the light turns green she rap-
0. idly accelerates for 3.50 s at 6.80 m/s².
di no
e\m 0. 16 cngb ini
The next light is still red. She then slams
on the brakes, accelerating at a rate of
16-9.60 m/s² before coming to rest at the
stop light. What was her total distance for
this trip?081 lo sonleaisvos bns
bnuojt im o
id l
160 lo- /
Appendix B
Appendix B
Velocity (m/s)
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