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Motion
Page 9
Questions (5,200)
Someone in a car going past you at the speed of 35 m/s drops a small rock from a height of 1.5 m. How far from the point of the
5 answers
asked by
Melissa
2,228 views
A rocket-powered hockey puck moves on a horizontal frictionless table. The figure below shows the graphs of vx and vy, the x-
7 answers
asked by
Eric
20,831 views
A stream is 30. meters wide and its current flows southward at 1.5 meters per second. A toy boat is launched with a velocity of
5 answers
asked by
elana
9,252 views
A train can deccerate at 0.4 m/s. It's traveling at 160km/hr. How far in advance should it apply brakes to come to a full stop.
5 answers
asked by
Jas
2,711 views
A 69.5kg football player is gliding across very smooth ice at 2.15m/s . He throws a 0.470kg football straight forward.
A) What is
4 answers
asked by
David
12,577 views
A swimmer, capable of swimming at a speed of 1.44 m/s in still water (i.e., the swimmer can swim with a speed of 1.44 m/s
4 answers
asked by
Ashley
2,895 views
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 22.7 m/s. At the same time, it
4 answers
asked by
Frank
2,176 views
If a sprinter accelerates from rest at a constant rate of 2.0m/s/s how fast will they be running after 4.0s?
6 answers
asked by
phinigan
2,025 views
an adult 68 kg cheetah can accelerate from rest to 20.1 m/s (45 mph) in 2.0 s. Assuming constant acceleration, (a) find the net
9 answers
asked by
Adam
4,502 views
An electric train leaves a station starting from rest and attains a speed of 72km/hr in 10 second. Then it undergoes uniform
5 answers
asked by
Amrit
5,546 views
A ball is dropped from a roof of a building and strikes the ground in 3 seconds. If a second ball is thrown horizontally from
5 answers
asked by
Josh
2,074 views
A truck travels due east for a distance of 1.7 km, turns around and goes due west for 7.1 km, and finally turns around again and
4 answers
asked by
Arielle
13,552 views
A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling
5 answers
asked by
Vince
3,485 views
A velocityof magnitude 40m/s is directed at an angle of 40 degree East of North.draw a vector on paper to represent this
14 answers
asked by
Feben
5,832 views
A car runs at a constant speed of 15m/s for 300s and then accelerates uniformly to a speed of 25m/s over a period of 20s this
6 answers
asked by
Anonymous
1,352 views
If an arrow is shot upward on Mars with a speed of 52 m/s, its height in meters t seconds later is given by
y = 52t − 1.86t2.
5 answers
asked by
John
17,289 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
3,626 views
A particle, starting from point A in the drawing at a height h0 = 3.2 m, is projected down the curved runway. Upon leaving the
6 answers
asked by
Anonymous
11,208 views
a hot-air balloon is tethered to the ground and only moves up and down. You and a friend take a ride on the balloon for
5 answers
asked by
Dee
1,630 views
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. The cliff is 52 m above the
3 answers
asked by
Mari
770 views
The ceiling of a classroom is 3.75 m above the floor. A student tosses an apple vertically upward, releasing it 0.5 m above the
4 answers
asked by
Sam
2,814 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
2,601 views
an airplane has a takeoff speed of 80 meters per second which it reaches 35 seconds after starting from rest. What is the
4 answers
asked by
shirley
1,596 views
The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table.
4 answers
asked by
thaokieu
4,845 views
A biker first accelerates from 0.0 m/s to 6.0 m/s in 6 s, then continues at this speed for 5 s. What is the total distance
5 answers
asked by
faisaldlg
1,496 views
An object is dropped from a bridge.A second object is thrown downwards 2.00s later.They both reach the water 35.0m below at the
4 answers
asked by
cobalt
3,162 views
a pulley of 5cm radius on a motor is turning at 30 rev/s and slows down uniformly to 20 rev/s in 2s. calculate the angular
4 answers
asked by
Anonymous
3,287 views
Which of these physical settings makes sense for an object moving along the x-axis? Its position at any time is given by x(t) =
6 answers
asked by
James
1,909 views
A ball thrown straight up takes 5.80 seconds to go up and come back down to its starting point. Neglecting air resistance, how
5 answers
asked by
Juan Carlos
1,621 views
A person driving her car at 45km/h approaches an intersection just as the traffic light turns yellow. She knew that the yellow
4 answers
asked by
Lee
6,771 views
Horse canters away from its trainer in a straight line moving 130 m away in 16.0 s. It then turns abruptly and gallops halfway
5 answers
asked by
Joshua
3,316 views
You throw a glob of putty straight up toward the ceiling. Which is 3.60 m above the point where the putty leaves your hand. The
4 answers
asked by
Dave Ang
7,390 views
If an object is moving at a constant velocity, which must be true?(1 point)
Its acceleration is increasing. Its acceleration is a
5 answers
asked by
madisson
2,249 views
Two block are connected by a lightweight, flexible cord that passes over friction less pulley. If m1=3.6 kg amd m2= 9.2kg, and
4 answers
asked by
acer
2,037 views
An athlete starts at point A and runs at a constant speed of 5.40 m/s around a round track 250 m in diameter.
Find the x
4 answers
asked by
Josh
4,975 views
I really cannot understand how to get to the answer. Thank you!
Two cars are traveling, Car A is behind the other, on a straight
4 answers
asked by
Darius
2,401 views
A stone is dropped from the roof of a high building. A second stone is dropped 1.00s laterHow far apart are the stones when the
4 answers
asked by
cuzer
4,852 views
An object has an average acceleration of +5.49 m/s2 for 0.276 s . At the end of this time the object's velocity is +9.52 m/s .
4 answers
asked by
micheal
876 views
a pet truck is moving at 25m/s north, a dog inside moves at 1.75 m/s at angle 35 degrees east of north. What is the velocity of
5 answers
asked by
anna
10,802 views
An object is dropped from rest. What is its instantaneous speed when it has
been in motion for 5 s? The acceleration of gravity
4 answers
asked by
reb
3,511 views
A small first aid kit is dropped by a rock climber who is descending steadily at 1.3 m/s. After 2.5 s, what is the velocity of
7 answers
asked by
Stephanie
5,880 views
A woman on the ground sees an airplane climbing at an angle of 35o above the horizontal. She gets into her car and by driving at
4 answers
asked by
kate
835 views
car comes to a stop over distance of 30.0m after the driver applies brakes. If the car decelerates @ contant rate of 3.50m/s2,
6 answers
asked by
cait
2,031 views
An object initially at rest experiences an acceleration of 1.4 m/s² for 5.6 s then travels at that constant velocity for
4 answers
asked by
Austin
2,137 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
5,833 views
A rock is thrown straight up with an initial velocity of 15m/s. ignore the effect of air resistance , how high will the rock
21 answers
asked by
Mahmoud
5,094 views
A skydiver falls d1 = 495 meters in t1 = 22 s before opening his parachute. After the chute opens, he falls an additional d2 =
4 answers
asked by
joe 22
4,133 views
A child drops a ball onto the road 28 m in front of a car travelling at 50 km/h. If the car can decelerate at a rate of 3.5
4 answers
asked by
Jayy
1,475 views
A rock is dropped from rest into a well. The sound of the splash is heard 2.40 s after the rock is
released from rest. (a) How
4 answers
asked by
JULIET
5,845 views
. A train is traveling down a straight track at 20 m/s when the engineer applies the brakes,
resulting in an acceleration of -1.0
4 answers
asked by
Jay
3,327 views
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