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Motion
Page 8
Questions (5,191)
a weather station releases a weather balloon.The balloon's buoyancy accelerates it upward at 15m/s sq.At the same time,a wind
4 answers
asked by
ren
1,838 views
A caiman swims 185 meters at a speed of 6 m/s. It then enters a stream and slows to 2 m/s for 310 meters. What is the average
4 answers
asked by
Carlos
1,910 views
a jogging path is 400 meters long. a jogger travels the entire length in 90 seconds.what is the speedof the jogger?
5 answers
asked by
lakshimi
1,722 views
A ball rolling down an incline travels 6.0 cm in the first 0.25 econds, and 24 cm in the first 0.50 seconds. Find:
a)The average
4 answers
asked by
Carlos
3,319 views
If you drop a golf ball, how far does it fall in 0.5s?
Is the correct formula to use?: D = V1 + t + 1/2at^2. But the problem is
5 answers
asked by
-Untamed-
2,259 views
The displacement (in meters) of a particle moving in a straight line is given by the equation of motion
s = 6/t2, where t is
3 answers
asked by
Yuxiang Nie
1,161 views
A car slows down from 23 m/s to rest in a distance of 85 m. What was its acceleration, assumed constant?
3 answers
asked by
Roze
2,715 views
A rubber ball is dropped from the top of a hole.Exactly 3.0 seconds later, the sound of the rubber ball hitting bottom is
4 answers
asked by
Davone
2,663 views
Vivian is walking to the hairdresser’s at 1.3 m/s when she glances at her
watch and realizes that she is going to be late for
5 answers
asked by
lunes
808 views
what would the maximum slope possible for a v vs t graph of acar released from rest on an air track elevated at one end?
~I know
4 answers
asked by
~christina~
755 views
State in words how acceleration is calculated.
4 answers
asked by
Jennifer
1,048 views
if an object is projected upward from ground level with an initial velocity of 64 ft per sec,its height h in feet t seconds
4 answers
asked by
glenda
3,832 views
a model airplane flies 18 feet in 2 seconds. What is the airplane's speed in miles per hour?
5 answers
asked by
Giovanna
1,956 views
1.If a particle moves in a plane so that its position is described by the functions x=A*cos(wT) and y=A*sin(wT), the particle is
4 answers
asked by
Kelly
2,318 views
a bullet is fired horizontally with an initial velocity of 600 m/s at a target located 300 m from the rifle. how much time is
3 answers
asked by
us
2,363 views
A ball is thrown upward with an initial velocity of 4 ft/sec from a height of 10 feet. What is the maximum height that the ball
4 answers
asked by
Ryan
2,012 views
A stationary 100-kg person is initially holding a 50-kg ball while standing on a skateboard. The person throws the ball to the
4 answers
asked by
Jammie K.
1,565 views
A turtle and a snail are 300 feet apart when they start moving towards each other. The turtle is moving at a speed of 5 feet per
13 answers
asked by
stuff
2,445 views
If a ball that is freely falling has attained a velocity of 19.6 m/s after two seconds, what is its velocity five seconds later?
7 answers
asked by
Anonymous
4,796 views
The resistance to the motion of a bus is partly constant and partly varies as the square of the speed of 30km/he the resistance
5 answers
asked by
Okwonna
660 views
A computerized spin balance machine rotates a 35-inch-diameter tire at 400 revolutions per minute.
(a) Find the road speed (in
5 answers
asked by
Jesse
4,048 views
Let s ( t ) = 4 t 3 + 48 t 2 + 180 t be the equation of motion for a particle. Find a function for the velocity.
v ( t ) = Where
4 answers
asked by
Juan
1,215 views
If a line of dominos is knocked down, which statement can be concluded about the dominos?
An increase in acceleration caused an
12 answers
asked by
ashley
7,756 views
A sprinter explodes out of the starting block with an acceleration of +2.3 m/s^2, which she sustains for 1.2 s. Then, her
5 answers
asked by
Heather
14,159 views
You ride your bike at a constant speed of 5 m/s for 300 s from your house to the mailbox. What was your acceleration for the
5 answers
asked by
HELP
1,632 views
Five motorboats are being tested to see which reaches the highest velocity in the same amount of time. After graphing the
7 answers
asked by
ashley
4,389 views
5. Figure 2.31 shows how the velocity of four cars changed as they
travelled along a straight road. Give reasons for your answers
13 answers
asked by
Biniam
3,359 views
A ball is thrown straight downward with a speed of 0.50 m/s from a height of 4.0 meters. What is the speed of the ball 0.70
11 answers
asked by
Priscilla
19,567 views
A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child push the cart down an aisle with a
5 answers
asked by
Ciera
6,215 views
A ball is shot from the top of a building with an initial velocity of 19m/s at an angle theta = 45 above the horizontal.
Vxo and
5 answers
asked by
Kaan
5,306 views
3. A car speeds up from 10.0 m/s to 30.0 m/s in 3.0 s. What is its acceleration? In your response, show your work, the given and
4 answers
asked by
Anonymous
3,137 views
A boat’s speed in still water is 1.95m/s . The boat is to travel directly across a river whose current has speed 1.20m/s .
Dete
5 answers
asked by
Kaan
5,548 views
If a car rolls gently(vo=0) off a vertical cliff, how long does it take to reach 85km/h?
5 answers
asked by
john
11,055 views
A model rocket leaves the ground, heading straight up at 47 m/s.
(a) What is its maximum altitude? m What are its speed and
4 answers
asked by
Jen
6,600 views
During a baseball game, a batter hits a high
pop-up. If the ball remains in the air for 6.36 s, how high does it rise? The
5 answers
asked by
sam
8,545 views
A body moving in the positive x direction passes the origin at time t = 0. Between t = 0 and t = 1 second, the body has a
7 answers
asked by
chris
4,315 views
As a train accelerates from a station, it reaches a speed of 4.7m/s in 5.0s. If a train acceleration remains constant what is
5 answers
asked by
Lesh
8,095 views
A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.5 m/s squared. At the same instant, a
5 answers
asked by
Laura
7,748 views
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 20 m/s. The cliff is h = 53 m
4 answers
asked by
Trisha
6,867 views
You are driving your car and the traffic light ahead turns red. You applied the brake for 3.00 seconds and the velocity of the
5 answers
asked by
Jino
10,639 views
A race driver has made a pit stop to refuel. After refueling, he leaves the pit area with an acceleration whose magnitude is
4 answers
asked by
Harry
9,683 views
A car of mass 1200 kg is traveling at 55.0 km/hour. It enters a banked turn covered in ice. The road is banked at 20.0 degrees
4 answers
asked by
Ember
10,348 views
⦁ A ball thrown horizontally at 25 m/s travels a horizontal distance of 50 m before hitting the ground. From what height was
4 answers
asked by
chidera
6,156 views
Cars A and B are racing each other along a straight path in following manner: Car A has head start and is a distance dA beyond
5 answers
asked by
help
11,409 views
As you hurry to catch your flight at the airport, you encounter a moving walkway that is 85m long and has a speed of 2.2 m/s
5 answers
asked by
Erin
6,086 views
A ball is dropped from an upper floor, some unknown distance above your apartment. As you look out of your window, which is 1.5
4 answers
asked by
ryan
8,433 views
The speed limit in a school zone is 40km/h. A driver traveling at this speed sees a child run into the road 13m ahead of his
4 answers
asked by
Majiri
5,475 views
a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s?
7 answers
asked by
Katie
8,096 views
A small block has a horizontal velocity of 4.00 m/s as it slides off the edge of a table. The table is a vertical distance of
4 answers
asked by
sunny
2,090 views
A spring-loaded toy gun is used to shoot a ball of mass m=1.5 kg straight up in the air. The spring has spring constant k=667
5 answers
asked by
Eden
18,035 views
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