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Motion in one dimension
Page 3
Questions (159)
A golf ball is tossed straight down out of an airplane. The downward velocity of the ball at various times is given in the table
2 answers
asked by
mary
717 views
a diver of mass 101 kg jumps upward off a diving board into water. Diving board is 6m above water. Driver has a speed of 1.2m/s.
2 answers
asked by
danaja
739 views
You throw a ball straight into the air from a height of 4 feet and with a speed of 8.22 m/s. The moment the ball leaves your
6 answers
asked by
Mel
716 views
a mass is thrown vertically upwards with an initial velocity of 30m/s. a second mass is dropped 0.5s later from directly above
2 answers
asked by
adii
684 views
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration
4 answers
asked by
Anonymous
689 views
A particle's position is given by
z(t) = −(8.10 m/s^2)t^2k for t ≥ 0. (Express your answer in vector form.) (a) Find the
2 answers
asked by
joy
677 views
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.5 m/s and
1 answer
asked by
mathew
653 views
A car is originally traveling at 15.0 meters per second on a straight horizontal road.The driver applies the brakes causing the
1 answer
asked by
Mary Gertriude
654 views
At an amusement park, a swimmer uses a water slide to enter the main pool. The swimmer slides without friction, and descends
1 answer
asked by
RoCu
672 views
An object is thrown downward with an initial speed of 17 m/s from a height of 96 m above the ground. At the same instant, a
2 answers
asked by
Lucas G
638 views
An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing
4 answers
asked by
Samantha
627 views
A stone is dropped into a river from a bridge 43.8 m above the water. Another stone is thrown vertically down 1.65 s after the
3 answers
asked by
Brian
623 views
Do I just put in 3 for t?
A ball is dropped from a tower 550 meters above the ground with position function s(t) = 4.9t2 + 550.
4 answers
asked by
John
593 views
A mass is dropped from a height of 30m, and at the same time from ground level (and directly beneath the dropped mass), and
1 answer
asked by
Henry
604 views
A thief is trying to escape from a parking garage after completing a robbery, and the thief's car is speeding (v = 14 m/s)
1 answer
asked by
simi
610 views
A subway train is designed with a maximum acceleration of ±0.637 m/s2 , which allows for both passenger safety and comfort.
(a)
2 answers
asked by
HELP
608 views
a person was climbing on a building.he slips 1 metre for every 5 metre he climb up. if the building is 53 metre high and he
2 answers
asked by
Anonymous
589 views
Runner A is initially 2.4 km west of a flagpole and is running with a constant velocity of 8.4 km/h due east. Runner B is
2 answers
asked by
Fiona
565 views
A rocket moves upward, starting from rest with an acceleration of 26.3 m/s2 for 3.91 s. It runs out of fuel at the end of the
2 answers
asked by
ashley
560 views
The acceleration of a certain rocket is given by a=bt where b is positive cnstant, find the position function Xo and Vo at t=o?
2 answers
asked by
sally
543 views
velocity of a ball- if a ball is thrown into the air with a velocity of 40 ft/s, its height (in feet) after t seconds is given
3 answers
asked by
Anonymous
552 views
4. A car accelerates at 0.5 m/s2 starting from rest.
a. After 4 s what is its velocity? b. After 4 s, how far has it traveled
2 answers
asked by
Anonymous
545 views
A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an x-axis. At
2 answers
asked by
Mike
559 views
Somehow two students managed to open two windows at the library. Student A is 17 m above the ground and Student B is 23.5 m
2 answers
asked by
Angel
539 views
An object is thrown upwards at an initial speed of 19.6 m/s from a height of 65m. Determine how long will take for the object to
2 answers
asked by
Anna
556 views
if the displacement of a particle varies with time as root of x=t+7 what is the relation between the velocity and time
2 answers
asked by
Anonymous
517 views
An object with a mass of 49 N falls out of a plane going 20.0 m/s at 300 m above the ground.
1)How do I find the time that the
2 answers
asked by
mw
499 views
A particle travels between two parallel ver-
tical walls separated by 39 m. It moves to- ward the opposing wall at a constant
2 answers
asked by
Bethany
514 views
A stone is thrown vertically upward with an initial speed u.if is the acceleration due to gravity,at what time will the stone
2 answers
asked by
Olushola
516 views
A man with a mass of 64.1 kg stands up in a 61-kg canoe of length 4.00 m floating on water. He walks from a point 0.75 m from
2 answers
asked by
diagne
512 views
A small aircraft requires a speed of 34.0 m/s in order to take off. What minimum constant acceleration does this require if the
2 answers
asked by
Anonymous
513 views
The road runner drops a boulder from a 53 meter high building. When the block is 14 meters above the ground, the 2 meter tall
2 answers
asked by
Zack
517 views
An elevator is initially moving upward at a speed of 11.04 m/s. The elevator experiences a constant downward acceleration of
1 answer
asked by
Delilah
512 views
Using the following equations as a guide (some may be used, some may not-choose wisely)
y1 OR x1= initial position x2 or Y2
2 answers
asked by
Lindsey
507 views
Sam tosses a ball horizontally off a footbridge at 4.3 m/s. How much time passes after he releases it until its speed doubles?
Ca
3 answers
asked by
Megan
500 views
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.56 m/s. The car is a
2 answers
asked by
Dakkota
481 views
A stone A is dropped from the top of a very high platform. At the same time another stone is thrown vertically upward from the
2 answers
asked by
Jefferson Mckinley
498 views
A mass is dropped from a height of 30m, and at the same time from ground level (and directly beneath the dropped mass), and
1 answer
asked by
Sarah
479 views
A car is moving down a street at 67 km/h. A child suddenly runs into the street. If it takes the driver 1.26 s to react and
1 answer
asked by
Jake
480 views
A small mailbag is releassed from a helicopter that is ascending steadily at 5m/s. After 2s. a) what is the speed of the
1 answer
asked by
Tammy
462 views
A stone is thrown vertically upward at a speed of 27.70 m/s at time t=0. A second stone is thrown upward with the same speed
1 answer
asked by
Anna
475 views
A particle moves in a linear motion according to: s = 10 - 6t2. Find the acceleration of the particle at t = 4s.
acceleration in
1 answer
asked by
Brownie
464 views
A stone is thrown downward into a well with an initial speed of 5.00 m/s. The sound of splash is heard 1.50 s later. Find the
1 answer
asked by
Elisa
446 views
A ball is thrown directly downward with an initial speed of 7.00 m/s, from a height of 36.00 m. How long does it take the ball
1 answer
asked by
GraceW1
452 views
A spaceship approaches Starbase Beta with an initial velocity moving in the +x direction. The ensign sets the ship’s computer
1 answer
asked by
Sonya
441 views
Judy, by chance, spots a potted plant falling outside the window at 1.6 m/s. Further down the same building, Judy’s boyfriend
1 answer
asked by
Jazz
470 views
If a car accelerates at a constant rate of -5.60m/s^2 while braking, the velocity changes from +12.5m/s to +3.30m/s.
a) determine
1 answer
asked by
Jack
441 views
A man jumps straight up at 5m/s.
a. Determine the time the man is in the air. b. Determine the maximum height the man would
1 answer
asked by
Carrie
446 views
During a football game, A is 8.0 m behind B and is running at 7.0 m/s when B catches the ball and starts to accelerate away at
1 answer
asked by
Julio
432 views
when maggie applies the brakes of her car, the car slows uniformly from14.3 m/s to 0 m/s in 2.18 s. How far ahead of the stop
1 answer
asked by
katy
446 views
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Parent Categories (6)
Classical mechanics
Dynamics
Kinematics
Mechanics
Motion and Forces
Physics