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Kinematics
Page 2
Questions (15,755)
an athlete of mass 70.0kg runs a 100m race in 10s. calculate the kinetic energy possessed by the athlete.
5 answers
asked by
Emmanuel
1,650 views
The height of an object moving up and down is described by y=72+40cos18t (in degree mode). To at least three decimal places,
4 answers
asked by
maath
1,885 views
a rock is dropped from a high brige.at the end of 3 seconds of free fall the speed of the rock is:[in centimeters per
5 answers
asked by
komal
5,504 views
A child is standing on a platform of a station.
A train travelling at 30m/s takes 3.0 secs to pass the child.What is the length
7 answers
asked by
sarah
9,032 views
Two identical cars
approach an intersection at the same speed at the same time as shown in the diagram. Car A takes a left turn
4 answers
asked by
james
1,332 views
The driver of a 1.00X103 kg car traveling on the interstate at 35.0 m/s slams on his brakes to avoid hitting a second vehicle in
4 answers
asked by
kate
3,943 views
A car of mass 400kg starts from rest and attains a velocity of 30m/s in 5s
(i) find its acceleration (ii)calculate the resultant
2 answers
asked by
Mary
212 views
At a distance L equals to 400m from the traffic light, brakes are applied to a locomotive moving at a velociy VEquals to 54
7 answers
asked by
Kapil
4,191 views
A bird drops a stick to the ground from a height of 68ft. The function h=-16t^2+68 gives the stick's approximate height h above
5 answers
asked by
Gray
1,183 views
An airplane is flying at an airspeed of 345 km/h on a heading of 040 degrees. The wind is blowing at 18 km/h from a bearing of
4 answers
asked by
Anonymous
1,574 views
at t=0, a particle moving in the xy plane with constant acceleration has a velocity of vi=(3.00i-2.00j) m/s and is at the
7 answers
asked by
arnold
4,004 views
A volleyball is served at an angle of 35 degrees with an initial speed of 5 m/s. What is the maximum height reached by the ball?
5 answers
asked by
Please help
5,685 views
A person kicks a rock off a cliff horizontally with a speed of 20.0 m/s. It takes 7.0 seconds to hit the ground, find:
a. height
5 answers
asked by
Anonymous
3,537 views
A stone is thrown vertically upwards from the top of a tower 50.0m high with an intial velocity of 20.0m/s. (a) whats the
4 answers
asked by
Jess
2,742 views
A ball is thrown upward from the top of a building which is 96ft tall w/ Initial velocity of 80 ft per sec.
Distance s(ft) of
6 answers
asked by
Amy~
1,434 views
A car of mass 1200kg travelling @ 72 km/h is brought to rest in 4s and has a deceleration of 5m/s find the distance moved during
3 answers
asked by
Luc
1,093 views
The cannon on a pirate ships shoots cannon balls with a speed of 350m/s (the muzzle velocity). The cannon can be adjusted to
4 answers
asked by
satvik
201 views
the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.
4 answers
asked by
sammi
4,375 views
Solve a man of mass of 90kg is moving at a constant velocity. He has kinetic energy of 2205J. Calculate his velocity.
12 answers
asked by
Favour
2,210 views
A sailor climbs a mast at 0.5 m/s on a ship travelling north at 12 m/s, while the current flows east at 3 m/s. What is the speed
5 answers
asked by
Homeworktaker
371 views
a car starts from rest at constant acceleration of 2m/s2 at the same instant, a truck travelling at a constant speed of 10m/s
16 answers
asked by
kexy
8,143 views
A stone is projected vertically upwards with a velocity of 20m/s. 2s later another stone is similarly projecte?
with the same
7 answers
asked by
Covenant
6,794 views
A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as
12 answers
asked by
Igbekele
4,419 views
A car start from rest an is then accelerated uniformly to a velocity of 100.8km/h.A brake is applied in 4sec.find
1.its
4 answers
asked by
Lily
396 views
from what height must a heavy elastic ball be dropped on a floor ,so thatafter reboundingthrice it will reach a height of 16
4 answers
asked by
Anonymous
2,560 views
a ping pall ball is dropped from 20m on a horizontal roof of a house and always reduce to 1/8of previous fall in each bounce
4 answers
asked by
jeshion
845 views
a bus traveling in a straight line with uniform acceleration has an instant speed of 6m/s. 5seconds later, has reached speed of
4 answers
asked by
TOWELA
412 views
Jana hit a golf ball with an initial velocity of 102 feet per second at an angle of 67° with the horizontal.
After 2 seconds,
5 answers
asked by
Becca
1,701 views
a truck traveling along a straight road at 20km/h,increases its speed to 120km/hr in 15 s. If its acceleration is constant.
4 answers
asked by
chanz11
2,653 views
mgh=1/2mv^2, solve for the variable v
7 answers
asked by
Lisa
10,005 views
A person hits a 45-g golf ball. The ball comes down on a tree root and bounces straight up with an initial speed of 14.0 m/s.
4 answers
asked by
Caitlin
2,317 views
The radius of the earth is approximately 3960 miles, what is the linear speed of a point on the equator in miles per hour. Round
4 answers
asked by
ronneka
7,549 views
A baseball pitcher throws a 250g baseball to make it accelerate to 50 m/s the instant that it leaves his hand. How much energy
2 answers
asked anonymously
130 views
A car starts from rest and moves with constant acceleration during the 5th second of its motion,it covers a distance of 36
7 answers
asked by
Mariam
7,097 views
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft
5 answers
asked by
Mithun
1,496 views
A brick with a mass of 6kg is dropped vertically from a certain height.it takes 4,5 seconds for the brick to reach the
4 answers
asked by
Peter
1,052 views
an airplane travels 500 km with the wind in the same time that it takes the airplane to travel 400 km against the wind. the
6 answers
asked by
Sarah
3,029 views
A bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 s. What is its acceleration?
A. 0.21
5 answers
asked by
Mark
15,830 views
A FIREWORKS ROCKET IS MOVING WITH A SPEED OF 45.0 M/S. THE ROCKET SUDDENLY BREAKS INTO TWO PIECES OF EQUAL MASS, WHICH FLY OFF
5 answers
asked by
LIZ
10,830 views
You walk for 15 mins at 3.8m/s and then decide to run for 12 minutes at 2.5m/s. What is your average speed?
My work:
5 answers
asked by
Frustrated!
4,406 views
A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed
4 answers
asked by
anna
8,813 views
A bus moves from rest with a uniform acceleration of 2m/s(square) for the first 10s. It then accelerate at a uniform rate of
7 answers
asked by
Uloma
2,226 views
a stone is thrown upward with an initial velocity of 20m/s.air resistance is ignored.how far does it take to reach the top?
4 answers
asked by
joseph
1,258 views
An automobile of mass 2000kg started from rest position and increased it's speed uniformly to 9m/s in 30s,it maintained this
6 answers
asked by
Tina
1,330 views
a car has wheel of 30cm radius. it starts from rest and accelerates uniformly to a speed of 15 m/s in a time of 8s. find the
4 answers
asked by
Anonymous
3,563 views
a body covers a circular path of radius 'R' in 20 seconds.calculate the distance and displacement of the body at the end of 70
5 answers
asked by
pratik yadav bansal public school
3,281 views
A body falls freely from rest for a 6sec find the distance traveled in the last 6sec.
4 answers
asked by
Dave Ang
1,589 views
An object is dropped from the observation deck of the Skylon Tower in Niagara Falls, Ontario. The distance, in metres, from the
5 answers
asked by
Melinda
2,034 views
A rocket is launched with an initial velocity of zero, and with acceleration in feet per second per second defined by:
--------(
4 answers
asked by
Michael
2,471 views
1. A stone is tossed upward with a velocity of 8m/s from the edge of a cliff 63 m high. How long will it take the stone to hit
5 answers
asked by
Betty
1,279 views
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