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Motion and Forces
Page 4
Questions (1,354)
A 22 cm diameter bowling ball has a terminal speed of 85 m/s. What is the ball's mass?
5 answers
asked by
Kara
3,327 views
You are driving 2500 Kg car at a constant speed of 14 m/s along an icy, but stright and lvel road. While approaching a traffic
5 answers
asked by
Lena
4,894 views
An object rolls off a tabletop with a horizontal velocity v0x = 2.5 m/s. The table is at a height y0 = 0.55 m, above the floor.
4 answers
asked by
HELPPLEASE
1,844 views
A 4.0 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 19.6◦ with the horizontal. An
4 answers
asked by
Artemis
1,641 views
A car can decelerate at -4.80 m/s^2 without skidding when coming to rest on a level road. What would its deceleration be if the
4 answers
asked by
Jake
2,735 views
When you are running and want to stop quickly, you must decelerate quickly. What is the origin of the force that causes you to
4 answers
asked by
perry
1,958 views
A skateboarder, with an initial speed of 3.2 m/s , rolls virtually friction free down a straight incline of length 16 m in 3.3
4 answers
asked by
gal
4,021 views
A river flows toward 90 degrees. A river boat pilot heads the boat at 297 degrees and is able to go straight across the river at
4 answers
asked by
dfsfsd
2,797 views
(a) Calculate the linear acceleration of a car, the 0.280 m radius tires of which have an angular acceleration of 15.0 rad/s2.
4 answers
asked by
Michelle
4,129 views
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be
4 answers
asked by
Randy
2,390 views
Tarzan swings through the jungle by hanging from a vine. At the lowest point of a swing, Tarzan's acceleration is....
A. zero B.
4 answers
asked by
sam
2,632 views
A tennis ball with a speed of 26.3 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the
3 answers
asked by
Luca
1,782 views
Compare the slope of the velocity-time graph to the average of all your acceleration values. Are they close? What does the slope
4 answers
asked by
Hope Grey
2,012 views
How far x does it move down the incline before coming to rest? Suppose the incline is frictionless. The angle of inclination is
6 answers
asked by
Alex
1,812 views
A plane leaves Seattle, flies 84.0{\rm mi} at 21.0^\circ north of east, and then changes direction to 52.0^\circ south of east.
4 answers
asked by
Julio
4,322 views
What displacemtn at 70 degrees has an x-component of 450m? What is its y-component?
I know the answers are 1.3 and 1.2... but
4 answers
asked by
Kim
2,893 views
292 kg motorcycle is accelerating up a ramp that is 30 degrees above the horizontal.
Propulsion force pushing the motorcycle up
5 answers
asked by
Jenn
2,731 views
A ball is dropped 2.75 m to the floor below. What is the acceleration of the ball while it is on the floor if it is on the floor
4 answers
asked by
Emma
571 views
A sky diver, with parachute unopened, falls 625 m in 15.0 s. Then she opens her parachute and falls another 348 m in 146 s. What
3 answers
asked by
demi
1,361 views
A rocket is fired into the air with an initial velocity of 98 m/s. The height ( h ) of the rocket after t seconds is given by
4 answers
asked by
sdtvds
2,578 views
A Martian rover is moving up a hill sloped at 30.0° with the horizontal. If it has a constant velocity of 1.50 meters/second,
4 answers
asked by
dddddd
2,510 views
A stone is dropped into a deep canyon and is heard to strike the bottom 15s after release. How deep is the canyon? The speed of
4 answers
asked by
Anonymous
1,415 views
In a lecture demonstration , a 3.0 m long vertical string wuth ten bolts tied to it at equal intervals is dropped from the
3 answers
asked by
Bunty
2,439 views
A car starts rolling down a 1-in-8 hill (1-in-8 means that for each 8 m traveled along the road, the elevation change is 1 m).
A)
4 answers
asked by
Brody
1,715 views
A power boat of mass 465 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The
4 answers
asked by
Xavier
1,386 views
A jumbo jet taxiing down the runway receives word that it must return to the gate to pick up an important passenger who was late
5 answers
asked by
confusedd!
4,262 views
A car comes to a stop in 6s from a velicity of 30m/s. what is its acceleration? At the same acceleration, how long would it take
4 answers
asked by
Laarni jhuzel Navidad
2,415 views
Bob, who has a mass of 60 , can throw a 800 rock with a speed of 26 . The distance through which his hand moves as he
4 answers
asked by
Bob
2,175 views
Consider the freight train. Suppose 15 boxcars pass by in a time of 14.0 s and each has a length of 14.0 m.
(a) What is the
4 answers
asked by
Sarah
4,650 views
A man of mass 50kg ascends a flight of stairs 5m high in
5seconds. If acceleration due to gravity is 10ms -2, the power of the
9 answers
asked by
IfeJesu
1,854 views
m1 = 2.3 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 45 N/m) as shown in
4 answers
asked by
john
1,520 views
The flat circular disc rotates about a vertical axis through O with a constant angular velocity of 240rpm. Prior to rotation,
2 answers
asked by
Anonymous
714 views
A curve in a road 8m wide has a radius of 60 m. How much higher than its inner edge should be the other edge of the road be if
4 answers
asked by
Amanda
955 views
A speed boat is travelling from Florida to Cuba (distance of approximately 380 km), it is directly affected by
the water current.
4 answers
asked by
mehwish
424 views
A model sailboat is slowly sailing west across a pond at 0.342 m/s. A gust of wind blowing at 28.7° south of west gives the
4 answers
asked by
Liz
986 views
A bee flies to a flower 568 m due south of its
hive. The bee’s speed in still air is 0.71 m/s, and there is a wind blowing
4 answers
asked by
Gabe
1,537 views
You are driving at the speed of 31.8 m/s (71.1498 mph) when suddenly the car in front of you (previously traveling at the same
4 answers
asked by
Michael Gomez
994 views
staring from rest, a 3.5 kg object is acted upon by an unbalanced force and acquires a speed of 14.0 m/s after moving a distance
4 answers
asked by
john
2,889 views
A car is traveling at 60 mi/h down a highway. a)What magnitude of acceleration does it need to have to come to a complete stop
3 answers
asked by
sarasoni
2,812 views
The position time-graph for the motion of a certain particle is a smooth curve, like a parabola.At a given instant of time the
4 answers
asked by
anonymous
1,421 views
Tarzan, mass 85kg swings down from a tree limb on the end of a 20m vine. his feet touch the ground 4.0m below the limb.
A. how
5 answers
asked by
Fizzylicous
4,101 views
Two people are on a playground bridge, above a fresh layer of snow. They each drop an object into the snow from a height of 2
4 answers
asked anonymously
197 views
On spring break in Puerto Vallarta you are feeling adventurous and decide to try ocean kayaking. You ate too much and now your
4 answers
asked by
Nickolas
791 views
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 16.0 m/s. The cliff is h =
4 answers
asked by
lisa
645 views
Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of
4 answers
asked by
cody
2,897 views
An arrow is shot straight up in the air with speed of 20m/s. How long is t in the air? How high will the arrow rise?
4 answers
asked by
Jake
2,736 views
You are driving through a town at 12m/s when suddenly a baby rolls out in front of you. You apply the brakes and begin
3 answers
asked by
bean
638 views
A car is brought to rest in additions of 484 m using a constant acceleration of -8.0 m/s squared. What was the velocity of the
3 answers
asked by
Will
2,103 views
A car travels 3km due North, then 5km East.Represent these displacements grafically and determine the resultant displacement
13 answers
asked by
Abdulhakim
6,120 views
Assume that the stopping distance of a van varies directly with the sqaure of the speed . A van traveling 40 miles per hour can
3 answers
asked by
Kyla
5,071 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