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Kinematics
Page 10
Questions (15,766)
A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 2.7 m down a q = 23° incline.
4 answers
asked by
Jay
1,126 views
A 0.50-KG BLOCK INITIANALLY ON A REST ON A FRICTIONLESS HORIZONTAL SURFACE IS ACTED UPON BY A FORCE OF 8.0N FOR A DISTANCE OF
3 answers
asked by
LESLIE
898 views
An antelope moving with constant acceleration covers the distance between two points 70.0
m apart in 7.00 s. Its speed as it
4 answers
asked by
Anonymous
4,246 views
A 15 g bullet strikes and embeds in a 2.1 kg block suspended at the end of a 1.2 m string. After the collision the string rises
4 answers
asked by
amelia
1,574 views
The magnitude of the velocity of a particle
which starts from rest 2 ft below the origin when t = 0 and moves along a vertical
5 answers
asked by
stan
795 views
3. At t = 0 , a particle leaves the origin with a velocity of 9.0 m/s in the positive y direction and moves in the xy plane with
4 answers
asked by
ameer
7,290 views
A truck travels beneath an airplane that is moving 120 km/h at an angle of 24◦
to the ground. How fast must the truck travel to
5 answers
asked by
Jem
4,027 views
A boat towing a water skier leaves a dock and travels east at a speed of 20mph. Two minutes later, a second boat towing another
5 answers
asked by
Kiersten Hailey
773 views
If velocity is positive and increasing then...
displacement is.... acceleration is.... If displacement is positive and increasing
1 answer
asked by
anonymous
909 views
A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which
2 answers
asked by
Sahara
641 views
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8
2 answers
asked by
Kimmie
513 views
A ball is thrown vertically upwards with an initial speed of U metres per second. Its height H after time T seconds is given by:
3 answers
asked by
lyn
555 views
This is really urgent so please please please help.
The height(H) of an object that has been dropped or thrown in the air is
3 answers
asked by
Anonymous
1,039 views
In the figure below, three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on
4 answers
asked by
some one
8,865 views
The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick,
3 answers
asked by
Anonymous
1,418 views
A car travels 5km to east. Then it goes 3km to north and then 2km to west. What is the displacement the car has traveled?
3 answers
asked by
Aj tuhin
1,376 views
The acceleration of a particle moving along a straight line is inversely proportional to its speed with
the constant of
1 answer
asked by
Devin
778 views
A street light is at the top of a 16ft tall pole. A woman 6ft tall walks away from the pole with a speed of 6ft/sec along a
2 answers
asked by
Morgan
626 views
Two train cars are on a straight, horizontal track. One car starts at rest and is put in motion with a constant acceleration of
4 answers
asked by
#631
2,275 views
a car of mass 100kg travering at 36km/h is brought to rest over a distance of 40m.calculate(a)accelaration(b)the average
4 answers
asked by
luckson
761 views
A diver is on the 10 m platform, preparing to perform a dive. The diver’s height above the water, in metres, at time t can be
4 answers
asked by
Ryrin
5,422 views
a bus that is traveling at 30.0km/h speeds up at a constant rate of 3.5m/s2. what velocity does it reach 6.8s later?
3 answers
asked by
susan
935 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
3 answers
asked by
Jon
899 views
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into
2 answers
asked by
Anonymous
737 views
A car travels at 80 km/h on a level road in the positive direction of an x axis. Each tire has a diameter of 66 cm. Relative to
1 answer
asked by
beav
684 views
A football is kicked at ground level with a speed of 10.0 m/s at an angle of 37.0° to the horizontal. How much later does it
4 answers
asked by
rayray
442 views
A baseball pitcher throws a baseball with a speed of 38 . In throwing the baseball, the pitcher accelerates the ball through a
3 answers
asked by
Anonymous
5,195 views
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the
2 answers
asked by
Anonymous
563 views
When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.3 m/s2 as it slows from 9.5
3 answers
asked by
leigha
3,413 views
A police car is chasing a suspect. The policemen is at point y=0.6 (north of an intersection) and the suspect is at point x=0.8
2 answers
asked by
Matt
587 views
A stone thrown from the top of a building which is 30m is given an initial velocity 20m/s verticaly upward.the stone misses the
4 answers
asked by
Mancoba
930 views
explain how accceleration can be slowing down.
Calculate the impact force of a 50 kg object travelling at 100km/hr? -> i was
1 answer
asked by
sarah
347 views
A hang glider moving at speed 9.0 m/s dives to an altitude 4.2 m lower. Ignoring drag, how fast is it then moving?
2 answers
asked by
opp
836 views
Consider a roller coaster that moves along the track shown in the figure below. Assume all friction is negligible and ignore the
1 answer
asked by
John
652 views
A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks
3 answers
asked by
Anonymous
1,481 views
a motorcycle traffic police starts from rest at point A two seconds after a car speeding at the constant rate of 120 km/h passes
5 answers
asked by
mahdi
4,982 views
A physics book slides off a horizontal table top with a speed of 1.90 m/s. It strikes the floor after a time of 0.410 s. Ignore
3 answers
asked by
SAM
2,293 views
The position of a 2.75 *10^5 N training helicopter under test is given by
r = (0.020 m/s^3)(t^3)i + (2.2 m/s)(t)j - (0.060
4 answers
asked by
ami
1,715 views
An object travelling at constant acceleration covers a distance of 14m in 3.0s and a further 26m in the next 3.0s. Calculate the
5 answers
asked by
jiiiiiiiiii
1,558 views
A particle moves on a coordinate line with an acceleration at time t seconds of e^t/2 m/sec^2. At t=0 the particle is at the
4 answers
asked by
Kamari
666 views
a kite at a height of 60 ft is moving horizontally at a rate of 5 ft/sec away from the boy who flies it. how fast is the cord
5 answers
asked by
mark paul
7,593 views
A young woman named Sassy Sue purchases a sports utility vehicle that can accelerate at the rate of
4.88m/s^2. She decides to
5 answers
asked by
Haley
745 views
A ball of mass 0.5kg dropped from a cliff top,the ball hits the sea below at a speed of 10m/s
(a) what is the kinetic energy of
2 answers
asked by
Mary
89 views
A tennis ball is thrown vertically upward wih an initial velocity of 8.0m/s.
A) What will its speed be wheen it returns to its
4 answers
asked by
Taylor
2,839 views
Frank stands at the base of a building. He throws a 0.12kg rock straight up at a speed of 28m/s so that it rises to a maximum
2 answers
asked by
NINI
661 views
A motorist travelled 48km at an average speed of 30km/h. If he made a returned journey at an average speed of 50km/h. Find the
2 answers
asked by
Gloria
98 views
A car of mass 1000kg is driven from its initial state with uniform acceleration and reaches a speed of 30km/h in 10 seconds.find
5 answers
asked anonymously
168 views
Two cars A and B are going in some directions. A is going was at 60km/h and B is going south at 48km/h. Both of them are
2 answers
asked by
Sinachi
147 views
A body is projected vertically upward and the height hmeters reached after a time t seconds is given by h=196t-4.9t^2.find the
2 answers
asked by
Sinachi
65 views
The position of two particles p1 and the end of t seconds is given by s1=3t^3-12t^2+18t+5, s2=-t^3+9t^2-12t. When do the two
2 answers
asked by
Sinachi
90 views
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