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Kinematics
Page 5
Questions (15,755)
A ball is dropped from $405$ meters and rebounds two-thirds the distance it falls each time it bounces. How many meters will the
5 answers
asked by
Brendan Zankowski
2,122 views
Mariano is standing at the top of a hill when he kicks a soccer ball into the air. The height of the hill is h feet, and the
5 answers
asked by
rainy
1,789 views
A rubber ball is dropped from the top of a building, which is 40 ft. above the ground. Each time the ball hits the sidewalk, it
7 answers
asked by
Max
4,620 views
You are at a point x=x(t) along a horizontal line, representing the ground. You are flying a kite which maintains a constant
4 answers
asked by
Kritish
1,638 views
A mouse in a maze scurries 41 cm south and then takes a 90-degree turn and scurries 64 cm west to get a piece of cheese. Find
10 answers
asked by
I NEED HELP FAST PLS!!!!!
1,548 views
An object is launched at 9.8 meters per second from a 73.5-meter tall platform. The object's height s (in meters) after t
5 answers
asked by
Joe
4,640 views
A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by
s(t) = -16t^(2)+128t At
4 answers
asked by
Keonn'a
3,746 views
A ball is thrown vertically downward with a velocity of 12m/s How far has the ball fallen 1 s later?. 2s later?
5 answers
asked by
Anonymous
2,212 views
the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin
4 answers
asked by
sarah
3,847 views
A rocket is launch from the top of an 40 foot cliff with an initial velocity of 140 feet per second, the height h of the rocket
4 answers
asked by
Wes
2,009 views
A plane is flying horizontally with speed
193 m/s at a height 2010 m above the ground, when a package is dropped from the
7 answers
asked by
Anonymous
12,743 views
A helicopter is ascending vertically with a speed of 5.20 m/s. AT the height of 125m above the earth, a package is dropped from
6 answers
asked by
Bunty
24,260 views
If a ball is thrown into the air with a velocity of 48 ft/s, its height in feet t seconds later is given by y = 48t − 16t2.
(a)
6 answers
asked by
Dann
14,495 views
A woman on a bridge 75.0m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an
4 answers
asked by
Bob
9,867 views
As a baseball is being caught, it's speed goes from 30.0m/s to 0m/s in about 0.0050s. The mass of the baseball is 0.145kg
A) what
5 answers
asked by
Sandara
3,826 views
A ball mass 1000g is drop from a height Of 5m and rebounded to a height Of 25 m. Find i it kintentic just before impact ii its
9 answers
asked by
Anonymous
3,336 views
The velocity function (in meters per second) is given for a particle moving along a line.
v(t) = 3t − 7, 0 ≤ t ≤ 3 (a) Find
4 answers
asked by
Anonymous
13,127 views
A grasshopper leaps into the air from the edge of a cliff at a 50 degree angle. He reaches a maximum height 6.74 cm above the
7 answers
asked by
Sarah
19,846 views
A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 140 . How far does the
5 answers
asked by
colleen
8,470 views
A stone is thrown vertically upward with a speed of 18.0 m/s.
(a)How fast is it moving when it reaches a height of 11.0 m? (b)How
4 answers
asked by
Anonymous
6,994 views
Two planes are about to drop an empty fuel tank. At the moment of release each plane has the same speed of 135 m/s, and each
4 answers
asked by
Anonymous
15,346 views
A car travels 20.2 km due north and then
31.3 km in a direction φ = 61.2◦ west of north. Find the magnitude of the car’s
4 answers
asked by
Aurora
4,627 views
A body which is uniformly retarded comes to rest in 10 s after travelling a distance of 20m.calculate its initial velocity
14 answers
asked by
Samuel Oti
2,653 views
A baseball player leads off the game and hits a long home run. The ball leaves the bat
at an angle of 30.0o from the horizontal
6 answers
asked by
Charles
11,908 views
Amechanic pushes a 2.50*10^3 kg car from rest to a speed of v, doing 5.00*10^3 Jof work in the process, During this time, the
4 answers
asked by
Anynomous
4,644 views
A particle starts at the point (5,0) at t=0 and moves along the x-axis in such a way that at time t>0 its velocity v(t) is given
5 answers
asked by
Rasheda
5,446 views
A ball is dropped from a height of 10 feet and bounces. Each bounce is ¨ú of the height of the bounce before. Thus, after the
6 answers
asked by
Sandy
7,776 views
A ball was thrown with a velocity of 150 ft/ s at angle of 45 degrees above the horizontal.
a)Find the range and the time of
5 answers
asked by
lee
1,341 views
A car moving at 15 m/s skids to a stop after 20 m. How far will it skid if it is moving at 45 m/s, assuming that the braking
4 answers
asked by
unowen
4,083 views
a meteor falls from the sky into the earth. the meteor already had an initial velocity downward when it was spotted. if it hit
5 answers
asked by
Jeremy Bearimy
2,554 views
A spaceship in deep space has a velocity of 4000 km/s and an acceleration in the forward direction of 6 m/s2. What is the
5 answers
asked by
Kay
979 views
A child traveling 5m/s on a sled passes her younger brother.if her average acceleration on the sledding hill is 2m/s,how fast is
4 answers
asked by
rally
2,290 views
A 65 kg sprinter completes a 100 m race in 9.83 s. Calculate the average kinetic energy of the sprinter.
4 answers
asked by
Onyeka
1,667 views
A ball is shot straight up into the air with initial velocity of 47 ft/sec. Assuming that the air resistance can be ignored, how
4 answers
asked by
Anonymous
10,421 views
A rock is thrown upward with a velocity of 15 meters per second from the top of a 49 meter high cliff, and it misses the cliff
5 answers
asked by
pam
2,555 views
At t=0 , a particle starts at the origin with a velocity of 6 feet per second and moves along the x-axis in such a way that at
5 answers
asked by
illy
3,868 views
A shotputter accelerates a 7.3kg shot from rest to 14m/s. If this motion takes 2.0s what average power was developed?
5 answers
asked by
maria
7,170 views
If you throw a ball straight up at 10 m/s and release it 2m above the ground:
a) What height will the ball reach V^2=u^2+2as
4 answers
asked by
Lisa
1,878 views
a car is traveling at 40.0 m/s. the drivers sees an emergeny ahead and 0.50 s later slams on the brakes. the acceleration of the
5 answers
asked by
jel
1,679 views
A cage descends a mine shaft with an acceleration of 0.5 m/s2. After the cage has travelled 25 metres,
a stone is dropped from
4 answers
asked by
joel
4,081 views
A boy starts at rest and slides down a frictionless slide as in the figure below. The bottom of the track is a height h above
7 answers
asked by
Brandon
4,150 views
An arrow slows down from 43 m/s to 28 m/s as it passes through an apple. If the 493 g apple was originally at rest and sped up
5 answers
asked by
Mike
2,047 views
An block of mass m , starting from rest, slides down an inclined plane of length L and angle θ with respect to the horizontal.
5 answers
asked by
Anonymous
1,980 views
make m the subject of mg-t=ma
7 answers
asked by
Anonymous
1,592 views
The path of a particle moving in a straight line is given by s=t^3-6t^2+9t+4.
a. Find s and a when v=0. b. Find s and v when a=0.
5 answers
asked by
eyyy
2,708 views
A stone of mass 20g is release from a catapult whose rubber has been stretched through 4cm, if the force constant of the rubber
12 answers
asked by
Justice
5,579 views
a package is released from a helicopter flying horizontally at a constant soeed of 40m/s. the oackage takes 3.0s to reacg the
5 answers
asked by
anonymous
2,983 views
An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground?
5 answers
asked by
diane
2,189 views
Maria throws a ball straight up with an initial velocity of 10 m/s.
What is its velocity at the highest point? What is its
7 answers
asked by
Joyce
14,259 views
A small sandbag is dropped from rest from a hovering hot air balloon. After 2.0 s, how far below the balloon is the sand bag?
5 answers
asked by
Zenon02
4,060 views
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