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Motion
Page 2
Questions (5,176)
A particle moves along a straight line with a velocity, v m s-1, given by v =4-8sin2t, where t is the time in seconds after
3 answers
asked by
Anonymous
952 views
what would happen to the number of rotations if the circumference of the tire were increased by 20%
what would happen to the
4 answers
asked by
Stacy B.
1,183 views
Vectors, Magnitude, and Direction of Force Quick Check
3 of 53 of 5 Items Question The steepness of a line segment on a distance
3 answers
asked by
.
131 views
A ball is dropped a high cliff, and two second later another ball was thrown vertically downwards with an initial speed of 30
4 answers
asked by
Anonymous
2,873 views
A cars starts from rest and after 20 seconds its velocity becomes 108 km-1 find the acceleration of the car
5 answers
asked by
hamza
2,272 views
the height , h(t) in metres of the trajectory of a football is given by h(t) = 2+28t-4.9t^2, where t is the time in flight, in
4 answers
asked by
Poppy
2,488 views
Which situation is an example of negative acceleration?
A. A car moving a constant velocity B. A jogger slowing down at the end
5 answers
asked by
Erica
83 views
A courier is delivering a 5kg package to an office high in a tall building.
(a) What upwards force does the courier apply to the
4 answers
asked by
tamara
2,527 views
Describe the speed of the remote-control car over time.
A. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3
62 answers
asked by
Summer
11,475 views
When a 644 lb boat is moving at 10fps, the motor conks out. How much farther will the boat
glide, assuming its resistance to
5 answers
asked by
sam
1,937 views
DISTANCE-TIME for RUNNERS
Time(s) 1 2 3 4 Sally's Distance(m) 2 4 6 8 Alonzo's Distance(m) 1 2 2 4 Make a distance-time graph
6 answers
asked by
Ashley
4,712 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
7 answers
asked by
Karina
9,216 views
A ship is heading due north at 12km/h in a tide moving 5km/h westward. Determine the magnitude and direction of the resultant
4 answers
asked by
secrated
2,011 views
A man travels a distance of 84km in 1hr 20mins.Find his average speed
1 answer
asked by
Tes
102 views
A truck with 40-in.-diameter wheels is traveling at 50 mi/h.
a) Find the angular speed of the wheels in rad/min b) How many
4 answers
asked by
Ray
3,721 views
What does the horizontal line mean in Pete's Journey?
* 1 point Captionless Image Pete is accelerating. Pete remains still. Pete
3 answers
asked by
Ieasha30
188 views
Help Please??
If an ant walks for 10 minutes, how far will it travel? _______ meters *My answer is 180* If an ant traveled 22.5
7 answers
asked by
lib
2,061 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
1,717 views
Matt is walking at 1.25 miles per hour to the east. Jaime is walking at 1.25 miles per hour to the south. Which statement
5 answers
asked by
Ieasha30
677 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
4,792 views
Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 8.50 m/s, and the second lands at a speed
5 answers
asked by
Sam
5,026 views
A car moves on a level horizontal road in
a circle of radius 30.5 m. the coefficient of friction between the tires and the road
7 answers
asked by
Troi
7,910 views
1) can the position-time graph for the motion of an object be a horizontal line?explain
- so its yes? 2) can the positon-time
5 answers
asked by
anonymous
2,200 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
18,029 views
A balloon is rising at 3.6 m/s at same time is blown by wind for 5.4 m/s from east. Find the actual velocity and direction of
5 answers
asked by
noona
4,010 views
When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.6 m/s in 0.11 s .
Distance?
4 answers
asked by
S
3,619 views
A boat moving at 5 mi/h is to cross a river in which the current is flowing at 3 mi/h. In what direction should the boat head to
4 answers
asked by
J
2,589 views
the speed of an object at the end of 4 successive seconds is 20,25,30 and 35 meters per second,respectively.the acceleration of
6 answers
asked by
komal yaseen
2,268 views
A package is dropped from a helicopter moving upward at 15 m/s. If it takes 16.0 s before the package strikes the ground, how
5 answers
asked by
Britney
5,824 views
the diagram show the position of a skydiver over the past 5 sec of her descent time.
0 1 20 ft every second 2 3 4 5 drag a label
4 answers
asked by
herman
1,199 views
A ball is thrown into the air with an upward velocity of 40 feet per second. Its height, h, in feet after t seconds is given by
7 answers
asked by
Hannah
3,957 views
Ship A is moving east at 20 miles per hour, while ship B is moving north at 15 miles per hour. At noon ship A was 5 miles east
4 answers
asked by
Allie
2,938 views
Q.1 A ball is thrown 233 m upward and then falls back to earth.
Neglecting air resistance, how long will it be in the air? The
4 answers
asked by
Lucas G
1,989 views
A bicycle wheel is accelerating at the constant rate of 1.4 rev/s2
(a) If it starts from rest, what is the rotational velocity
4 answers
asked by
Anonymous
1,301 views
You are traveling in your car at a velocity of 24.0m/s east when you slam on your brakes. The
force of friction on your car tires
4 answers
asked by
wow
694 views
A rocket expels gas at the rate of 0.5kg/s.If the force produced by the rocket is 100N,what is the velocity with which the gas
6 answers
asked by
somebody
3,798 views
A 90.0 N grocery cart is pushed 14.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all
4 answers
asked by
katieee
2,323 views
A truck moving at 100 km /h carries a steel girder that rest on its wooden floor. what is the minimum time in which the truck
4 answers
asked by
caphas
2,098 views
use a(t) = -32 ft per second squared as the acceleration due to gravity.An object is thrown vertically downward from the top of
4 answers
asked by
sammi
3,192 views
A helicopter drops a box of supplies after a disaster. The function represents the height y (in feet) of the box t seconds after
4 answers
asked by
Robert
2,280 views
A 5.0 kg model vehicle travelling at 14 m/s experiences a rocket boost of 85 N ( in the direction of motion) for 20 s
What is the
4 answers
asked by
Danny
1,938 views
A boy travels a distance of 10 m towards south and then he runs towards east and travels 12 m in that direction. Calculate (i)
4 answers
asked by
Rahul
2,090 views
A skydiver jumped out of an airplane and deployed her parachute 60 seconds later. This table shows her altitude over time.
Time
4 answers
asked by
A
221 views
A boy drops a coin from the top of a tower 50 metres high find the time taken by the coin to reach the ground
4 answers
asked by
Samarth bhayani
2,117 views
"Margaret has found that by a proper choice of gears she can steadily increase her speed on her bike. One day she sets out and,
5 answers
asked by
Stuck
1,603 views
The distance to the nearest 100,000 km from the earth to the moon is given as 400,000 km. The average speed to the Nearest
4 answers
asked by
Fay
1,061 views
An aeroplane flies horizontally at 80m/s in still air. If the aviator wishes to fly due south and the wind is blowing from
4 answers
asked by
Nigel
926 views
A golf ball is it with the initial velocity of 50.0 m/s at an angle of 55 degrees above the horizontal. (a) How high will the
4 answers
asked by
Christine
978 views
A 70kg man stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 90kg
Is the elevator
4 answers
asked by
help
2,371 views
Suppose we launch a scientific rocket straight up from sea level (at standard conditions) with a
pressure measuring device
3 answers
asked by
jane
1,507 views
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