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Motion and Forces
Page 9
Questions (1,354)
Mary needs to row her boat across a 120 m -wide river that is flowing to the east at a speed of 1.4 m/s. Mary can row the boat
3 answers
asked by
Melissa
2,134 views
A marble of mass m is placed on top of a bowling ball of radius r and allowed to roll from rest. derive the angle from centre of
3 answers
asked by
Andrew
820 views
A jet airliner moving at 500 mph due east moves into a region where the wind is blowing at 120 mph in a direction north . What
3 answers
asked by
brandon
1,966 views
A scuba diver was at a depth of 15 meters below the surface when she saw something interesting about 10 meters lower. She made
3 answers
asked by
h
138 views
An airplane is flying at 550 km/h on a heading of 080 degrees. The wind is blowing at 60 km/h from a bearing of 120 degrees.
4 answers
asked by
Sam
2,421 views
.just before the ball hits the ground how are it's speed and kinetic energy related
3 answers
asked anonymously
43 views
suppose you are pulling a wagon with the handle at an angle. How can you make your task easier?
3 answers
asked by
sophie
1,370 views
A cord connected at one end to a block which can slide on an inclined plane has its other end wrapped around a cylinder resting
4 answers
asked by
gdfg
1,134 views
A cat crouches on the floor, at a distance of 1.6 m from a desk chair of height .45 m. The cat jumps onto the chair, landing
4 answers
asked by
Michael
870 views
a hand exerts a constant horizontal force on a block that is free to slide on a frictionles surface. the block starts from rest
4 answers
asked by
Steve
2,264 views
a hot air balloonist, rising vertically with a constant velocity of magnitude 5m/s releases a sandbag at an instant when the
7 answers
asked by
anonymous
2,004 views
Suppose the water near the top of Niagara Falls has a horizontal speed of 2.3 m/s just before it cascades over the edge of the
3 answers
asked by
Hawkins
682 views
True/False
3)The position-time graph of an object moving with a constant average velocity is always a straight line. True 4)A
2 answers
asked by
Jon
754 views
To stop a car, first you require a certain reaction time to begin braking. Then the car slows down at a constant rate. Suppose
3 answers
asked by
Lance
583 views
A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The
3 answers
asked by
John
554 views
I need help solving the problem below. Please respond.
At the local swimming hole, a favorite trick is to run horizontally off a
3 answers
asked by
Jim
566 views
The space shuttle has a mass of 2,000,000 kg. At liftoff, the engines generate a force of 32,000,000 N. What is the velocity of
3 answers
asked by
tiarra
531 views
A student drops a basketball into a pool from a height of 5 m while a friend records, the approximate Splashlight, then they
3 answers
asked anonymously
102 views
A motorboat traveling at a speed of 2.1 m/s shuts off its engines at t = 0. How far does it travel before coming to rest if it
5 answers
asked by
Anonymous
4,655 views
Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.0 km/s to −19.4 km/s
4 answers
asked by
Brett
4,538 views
sorry here is actual question:
A 285-kg stunt boat is driven on the surface of a lake at a constant speed of 13.5 m/s toward a
3 answers
asked by
lost
686 views
1. Which statement below is true?
a. If a car is traveling eastward, its acceleration is eastward. b. If a car's speed is
9 answers
asked by
Alex Graham
2,145 views
a) Calculate the P.E. a pile driver has if it is raised 4.5 meters by a mechanical winch. If the 510
kilogram pile driver is
6 answers
asked by
Anonymous
818 views
A baseball is hit straight up into the air at an initial velocity of 35 m/s. How long does it take for the
baseball to reach its
3 answers
asked by
Nathan
983 views
What was the dependent variable (what is being ?
The distance the object was shot The force created by the object The angle the
2 answers
asked anonymously
28 views
The crash test technicians gave you the following data from their experiments. They crashed each of these cars into a 1200 kg
2 answers
asked anonymously
49 views
A bird is flying at an average altitude of 10 meters above the ground. After 3 seconds, it settles on a branch that is 3 meters
2 answers
asked by
Kee
28 views
Ping dove off a 10 meter platform. He reached a depth of 6 meters in the water. What was the change in height?(1 point)
Responses
2 answers
asked anonymously
73 views
A parachutist's elevation changes by -91 ft in 13 seconds. What is the change in the parachutist's elevation each
2 answers
asked by
i
48 views
What is a inertia?
A. An object resistance to a change its motion B. The motion of an object C. The speed and direction of an
4 answers
asked by
Joe
129 views
The graph shows the motion of a horse during the first portion of a race. Which statement is true about the horse's motion? (1
3 answers
asked anonymously
67 views
Which characteristic is constant for the car as it travels around the roundabout pictured below? (1 point) Responses Position
3 answers
asked anonymously
101 views
A cat chases a mouse across a 1.7 m high
table. The mouse steps out of the way, and the cat slides off the table and strikes the
1 answer
asked by
Joel Vasquez
88 views
A car slows down as it comes to a red light. Does it describe acceleration
1 answer
asked by
Anonymous
64 views
if the mine winch drum diameter is 6m ,calculate how far the cage will drop for each single rotation of the drum
1 answer
asked by
Nonyameko Patience Yashe
96 views
An object is thrown upward at a speed of 148 feet per second by a machine from a height of 20 feet off the ground. The height
h
1 answer
asked by
Aidana Ryasbekova
376 views
Describe the trip from your home to school using the words position, distance, displacement, speed, acceleration and momentum
1 answer
asked by
Kamille
285 views
A car of mass 1100kg stands on an incline of 8 degrees. If the hand brake is released, what will be the velocity of the car
1 answer
asked by
Anna
191 views
A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles. Because he is flying into a head
4 answers
asked by
James
463 views
Two velocities, each 5 m/s,are inclined to each other at 60° ,find their resultant.
1 answer
asked by
SADANANDA PRUSTY
339 views
I'm very confused about a question and I don't really know how to answer it, so can someone help? The question and my answer are
1 answer
asked by
Glex
292 views
hello please help with this. i can't understand how to complete these questions
2. The height, H meters, of a falling object is
2 answers
asked by
mingyu
504 views
if a car is driving on a flat road at a constant speed. the driver drives off a cliff which is 180 m above a river it lands in
1 answer
asked by
jack
436 views
in suv of which the total mass is 800 kg is travelling with an initial velocity of 200m/s suddenly observe a stationary dog 50m
1 answer
asked by
Emmanuel
432 views
A small object of mass m = 2.25 kg is released, starting at rest, from a height h above the ground on a ramp inclined at 45.0o
2 answers
asked by
physics help
1,002 views
A student holds a water balloon outside of an open window and lets go. The window is 10 meters above the ground, and the balloon
3 answers
asked by
.
353 views
A pilot is flying a Cessna airplane at 180 mph (airspeed).He would like to fly in the direction N45W, but there is a 32 mph wind
2 answers
asked by
Waleed
747 views
Felix Baumgartner, an Austrian skydiver, jumped from a balloon at an altitude of 38,963.3 meters, and fell into history. He was
2 answers
asked by
cynthia
642 views
You drop a rock from a cliff, and 6.56s later you see it hit the ground. How high is the cliff
3 answers
asked by
Mahari
684 views
A disk of radius 30 cm is spinning about it axis at 60rmp it deacelerate at a constant rate of 2.0 rad/s^2 until it reaches 20
1 answer
asked by
Anonymous
386 views
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Parent Categories (18)
Classical mechanics
Dynamics
Engineering/Physics-Mechanics
Forces
Kinematics
Mechanics
Mechanics or Kinematics
Newton's Laws of Motion
Newtonian Mechanics
Physical Science
Physical Sciences
Physics
Physics and Mechanics
Physics and Sports
Science and Physics
Science/Earth Science
Science/Physics
Tennis