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Kinematics
Page 7
Questions (15,755)
A train moving at a constant speed of 100km/h travels east for 40min, then 30o east of north for 20 min, and finally west for
3 answers
asked by
lomonoyan
1,955 views
a circular track is made on which an athlete has to cover three rounds to complete a 1000m run.during the run find the distance
4 answers
asked by
aashi
1,239 views
A car that starts from rest and has uniform acceleration. The car must travel 60 meters before reaching a speed of 10 m/s. What
3 answers
asked by
N
356 views
An object at 100 m/s accelerates at a rate of 120 m/s 2 . What will the velocity of this object be after 100 seconds?
6 answers
asked by
Evans
662 views
A car is traveling at 33.0 m/s when the driver uses the brakes to slow down to 29.0 m/s in 2.50 seconds. How many meters will it
3 answers
asked by
torrance
1,924 views
an initially resting 300g car is dragged along a horizontal frictionless table by a massless cord. The cord is attached to
3 answers
asked by
Bill
928 views
Atom Ant is traveling with an initial velocity of 20.0 cm/s. He begins to accelerate at a rate of 8.00 cm/s2 for 5.00 s. What is
3 answers
asked by
Anonymous
1,060 views
A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
4 answers
asked by
Danny
709 views
Read each statement below. For each situation, calculate vi, vf, pi, pf, the impulse vector Ft, and the amount of force
4 answers
asked by
SARAH
1,363 views
The velocity of a diver just before hitting the water is -8.7 m/s, where the minus sign indicates that her motion is directly
3 answers
asked by
Anonymous
1,121 views
An airplane lands and starts down the runway at a southwest velocity of 43 m/s. What constant acceleration allows it to come to
4 answers
asked by
Candy
1,865 views
The only force acting on a 2.0-kg body as it moves along the x axis is
given in the figure. At x = 0, the body is moving 3.0 m/s
3 answers
asked by
هدي
712 views
Two objects are launched with the same initial horizontal velocity, but one has twice the initial vertical velocity as the
2 answers
asked by
ko
703 views
A runner travels 1.65 km in 5 min and 30 seconds. What is the velocity in m/s? Answer to two decimal places.
I think I have
4 answers
asked by
mssailormouth
1,588 views
A child traveling 2 m/s on a sled passes her younger brother. If her average acceleration on the sledding hill is 2 m/s2, how
2 answers
asked by
Yanna Singleton
1,229 views
A particle starts from rest and moves with a constant acceleration of 0.5m/s2. Calculate the time taken by the particle to cover
3 answers
asked by
Joy
1,237 views
An aeroplane is moving at 200km/h due 60?. The plane experience a wind blowing at 120km/h due 210?. Find the resultant velocity
3 answers
asked by
laban
585 views
a) A light-rail commuter train accelerates at a rate of 1.25 m/s2. How long does it take it to reach its top speed of 80.0 km/h
5 answers
asked by
Melissa
2,463 views
Nathaniel is driving his sports car down a four lane highway at 40m/s. He comes up behind a slow moving dumptruck and decides to
3 answers
asked by
RANDY
2,359 views
If a pronghorn antelope accelerates from rest in a straight line with a constant acceleration of 1.5 m/s2 , how long does it
4 answers
asked by
dale
1,312 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3
4 answers
asked by
Rachel
3,029 views
A plane flies due north at 300km/h but a crosswind blows north-west at 40km/h. Find the resultant velocity of the plane.
Once I
2 answers
asked by
Chloe
640 views
An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power
2 answers
asked by
precious
996 views
A helicopter 7.60 above the ground and descending at 3.90 drops a package from rest (relative to the helicopter). We have chosen
5 answers
asked by
joe
733 views
an archer standing on a cliff 48m above the level field below shoots an arrow at an angle of 30• above horizontal with a speed
4 answers
asked by
lesar
3,291 views
The engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200 m ahead on the same track.
3 answers
asked by
Anonymous
1,384 views
A 0.14 kg baseball is pitched at a speed of 35 m/s. If it is hit straight back at the pitcher with a force of 5400N exerted over
2 answers
asked by
Louren
942 views
Q: a model rocket was launched and measurements of its height and horizontal distances from the launched pad were taken as shown
3 answers
asked by
Aya Muhammed
711 views
A 60. kg student jumps from the 10. meter platform at ASU's swimming complex into the pool below.
a. Determine her Eg at the
2 answers
asked by
Nevaeh
584 views
Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
2 answers
asked by
Frank
563 views
A ball is thrown directly upward with an initial velocity of 15 m/s from the rooftop of a building that is 30 meters in height.
1 answer
asked anonymously
29 views
During halftime of a soccer game, a sling shot launches T-shirts at the crowd. A T-shirt is launched from a height of 4
5 answers
asked anonymously
38 views
The acceleration of a particle is defined by the relation a=-8m/s2. Knowing that x=20m when t=4 and that x=4m when v=16m/s.
3 answers
asked anonymously
31 views
This is the stem.]
(3 points) Put responses in the correct input to answer the question. Select a response, navigate to the
1 answer
asked by
#Dogmama
50 views
Luca is in a culvert below street level. He launches an object at an upward velocity of 40 feet per second. Use GeoGebra to
1 answer
asked by
hi
8 views
i need help with this one
thanks A particle starts from rest and is acted on by a net force that does work at a rate that is
7 answers
asked by
Damon
5,885 views
what is the speed of a 0.25 kg ball if its kinetic energy is 15J?
4 answers
asked anonymously
105 views
A sailboat heads north at 3 m/s for 1 hour and then tracks back to the southeast (at 45 degrees to north) at 2 m/s for 45
5 answers
asked by
Walter
4,256 views
The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per hour to 90 kilometers per
6 answers
asked by
Kelly
5,557 views
a ball with mass 0.15 kg is thrown upward with initial velocity 20 m/sec from the roof of a building 30 m high. there is a force
4 answers
asked by
cyrus
1,144 views
A record of travel along a straight path is as follows:
1. Start from rest with constant acceleration of 2.77 m/s^2 for 15 s 2.
6 answers
asked by
Star
9,359 views
A sled of 6 kg mass is moving along a smooth, horizontal ice surface with a velocity of Vo. A force of 36 N is applied to the
5 answers
asked by
Alisha
1,217 views
ebo throws a ball in the air it's velocity at the start is 18m/s at an angle of 37° to the ground express the initial velocity
7 answers
asked by
Na
2,471 views
A car is travelling north on a highway at 25 m/s. Just as the car crosses a perpendicularly intersecting crossroad, the
4 answers
asked by
Jenna
1,157 views
on the same Lane of a road a car A is following car B at a center distance of 25 m. both cars are traveling at a speed of 100
4 answers
asked by
rajat
1,077 views
A swimmer swims perpendicular to the bank of a 20.0 m wide river at a velocity of
1.3 m/s. Suppose the river has a current of 2.7
5 answers
asked by
eric
3,695 views
A train with a mass of 120Mg accelerates uniformly on a horizontal track.the resistance to movement is 5N per KN of the mass of
5 answers
asked by
tuis
1,401 views
The acceleration of a perticle as it moves along a straight line is geven by a=(2t-1) m/s2. If x=1m and v=2m/s when t=0s,
4 answers
asked by
Dynamics Problems
3,816 views
Plane leaves airport with heading of 110 degrees at 300 mph, the wing out of the southwest is 42 mph.
locate the plane after 4
2 answers
asked by
Stone
525 views
A ball is thrown at an angle of 45 degrees to the ground. If the ball lands 90m away, what is the initial speed of the ball? I
4 answers
asked by
Anonymous
8,226 views
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