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Kinematics
Page 7
Questions (15,708)
The vector position of a particle varies in time according to the expression r with arrow = 6.60 i − 9.00t2 j where r with
4 answers
asked by
Mohammed
3,154 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
3,516 views
A ball rolling with initial velocity of 40m/s(W) undergoes an acceleration of 5.0m/s^2(N) for a period of 6.0seconds.
(A) what is
4 answers
asked by
Alan
3,073 views
An object is thrown downward with an initial velocity of 4 feet per second. The relationship between the distance s it travels
4 answers
asked by
Merty
2,030 views
At time t >or= to 0, the position of a particle moving along the x-axis is given by x(t)= (t^3/3)+2t+2. For what value of t in
4 answers
asked by
Millie
3,514 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
3,549 views
Stones are thrown horizontally, with the same initial velocity, from the tops of two different buildings, A and B. The stone
4 answers
asked by
Teddy
2,994 views
A car starts 200 m west of the town square and moves with a constant velocity of 15 m/s toward the east.
a.Write the equation
5 answers
asked by
Shelly
7,035 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
3,263 views
Wile E. Coyote is holding a “HEAVY DUTY ACME ANVIL” on a cliff that is 40.0 meters high. The Roadrunner (beep-beep), who is
6 answers
asked by
Jin
4,847 views
The driver of a train traveling at 30 m/s applies the brakes when he passes an amber signal. The next signal is 1.5 km/h down
4 answers
asked by
Anonymous
2,106 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
4,069 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
4,141 views
A ball is thrown straight up into the air with a velocity of +20.5 m/s. Find the velocity of the ball after 2.5 s.
4 answers
asked by
Leasha
1,587 views
A 10,000 kg frieight car is rolling along a track at 3.0 m/s. Calculate the time needed for a force of 1000 N to stop the car.
5 answers
asked by
michaela
1,795 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
2,040 views
A construction worker drops a hammer from a height of 25 m.
How long will it take the hammer to hit the ground? Use the formula
6 answers
asked by
Katiana
3,034 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
1,964 views
A projectile is launched with an initial speed of 59.0 m/s at an angle of 32.0° above the horizontal. The projectile lands on a
4 answers
asked by
Mary
2,062 views
For the potential-energy diagram in (Figure 1), what is the maximum speed of a 5.0 g particle that oscillates between x = 2.0 mm
4 answers
asked by
alen
2,374 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
2,966 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
2,175 views
A hockey puck has a mass of 0.126 kg and is at rest. A hockey player makes a shot, exerting a constant force of 32.5 N on the
4 answers
asked by
Anonymous
2,308 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
4,050 views
An airplane starts from rest at the end of a runway and
accelerates at a constant rate. In the first second, the airplane travels
4 answers
asked by
suri
4,948 views
A batter hits a ball with an initial velocity v0 of 100 feet per second at an angle theta to the horizontal. An outfielder
5 answers
asked by
Anonymous
5,981 views
You are traveling in your car at a velocity of 24.0m/s east when you slam on your brakes. The
force of friction on your car tires
4 answers
asked by
wow
694 views
A particle of mass 82 g and charge 80 µC is
released from rest when it is 81 cm from a second particle of charge −24 µC.
5 answers
asked by
ashleyyyy
3,314 views
A vehicle is travelling at 25.0 m/s. It brakes provide an acceleration of -3.75 m/s^2[forward]. What is the driver's maximum
5 answers
asked by
Dee
1,669 views
You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball from rest and see that it
4 answers
asked by
SAM
3,821 views
A soccer ball of mass 550g is at rest on the ground. The soccer ball is kicked with a force of 108N. The player shoes is in
7 answers
asked by
Sam
1,502 views
A 17 g bullet strikes and becomes embedded in a 1.20 kg block of wood placed on a horizontal surface just in front of the gun.
4 answers
asked by
Jordan
2,375 views
The position of a particle moving along the x axis is given by x = (21 + 22t − 6t^2)m, where t is in s. What is the average
4 answers
asked by
TNT
4,488 views
A cyclist starts from rest and accelerates at 2m/s2, for 2second. Her velocity remains constant for the following 4second. The
5 answers
asked by
Physics
1,428 views
The position of a particle moving along an x axis is given by x = 15t2 - 2.0t3, where x is in meters and t is in seconds.
(a)
4 answers
asked by
help
4,481 views
A sprinter starts from rest in a 100-meter race, accelerates to his full running speed of 10.3 m/s in 1.15 seconds (assume
6 answers
asked by
Phil
2,305 views
A man travels 7.0km due north , then 10.0km east. Find the resultant displacement.
If he travels 7.0km 30degrees East of
4 answers
asked by
Ojumoola
817 views
A test tube is knocked off a tower at the top of a building that is 400 feet above the ground. (For our purposes, we will assume
5 answers
asked by
Brett
2,124 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
2,534 views
A football is kicked with a speed of 18 m/s at an angle of 65° to the horizontal.
How long is the football in the air? Neglect
4 answers
asked by
Hannah
5,279 views
a bicyclist is coasting on level ground at 32.35m/s. The bicyclist coasts up an incline of 20.5m at a 30degree angle. How fast
5 answers
asked by
cynthia
2,521 views
A 1.0-kg block is released from rest at the top of a frictionless incline that makes and angle of 37 degrees with the
7 answers
asked by
M
4,591 views
A car’s initial velocity is 50.0 km/h in the direction 60.0° north of east, and its final velocity is 70.0 km/h in the
4 answers
asked by
Lobna
2,315 views
A stone thrown from the top of a building is given an initial velocity of 40.0 m/s straight upward. The building is 70.0m high,
4 answers
asked by
BENSON
3,225 views
A proton moving at 3.0 * 10^4m/S is accelerated by potential difference of 200V, what is its final velocity ?
4 answers
asked by
Amy
695 views
A stone is dropped from a high altitude and 3 s later another stone is projected downward with a speed of 150 ft/s. When and
4 answers
asked by
Bill
2,887 views
A train is moving along a straight horizontal track. A pendulum suspended from the roof of one of the carriages of train is
4 answers
asked by
Einstine
2,349 views
Ohmygoodness, I am not having a good time tonight.
"A 5.2kg block sliding at 9.4 m/s across a horizontal frictionless surface
5 answers
asked by
solexgirl12
1,350 views
A car starting from rest is accelerated uniformly to a velocity of 100.8km/h.A Break is applied in 4 second
Find its acceleration
4 answers
asked by
Fatima
500 views
A thin-walled sphere rolls along the floor. What is the ratio of its translational kinetic energy to its rotational kinetic
4 answers
asked by
Gigi
2,728 views
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