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Dynamics
Page 6
Questions (1,163)
Over a time interval of 2.15 years, the velocity of a planet orbiting a distant star reverses direction, changing from +18.9
2 answers
asked by
Isaac
554 views
What velocity at 60.0 kg jogger a kinetic energy 1,080?
2 answers
asked by
Anonymous
1,291 views
A 4.63-g bullet is moving horizontally with a velocity of +349 m/s, where the sign + indicates that it is moving to the right
3 answers
asked by
riley
997 views
A airplane traveling 1019 m above the ocean at 135 km/h is to drop a box of supplies to shipwrecked victims below.
(a) How many
2 answers
asked by
Eddie E.
529 views
Two blocks (one of which is on a ramp) are attached via a string looped over a pulley. The block on the incline has a mass of
2 answers
asked by
Sam
603 views
a 4 kg model rocket is launched, shooting 50 kg of burned fuel from its exhaust at an average velocity of 625 m/s. What is the
3 answers
asked by
collin
1,769 views
A roller-coaster car speeds down a hill past point A and then rolls up a hill past point B. The car has a speed of 16.1 m/s at
2 answers
asked by
Jaylee
826 views
A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At the lowest position, the child's speed reaches 2.78 m/s.
3 answers
asked by
Samii
504 views
A 50 kg crate is initially at rest on a plane inclined at an angle of 30 degrees to the horizontal. A man then pulls the crate
2 answers
asked by
Shelby
1,302 views
A 7000 kg helicopter accelerates upward at 0.70 m/s/s while lifting a 1000 kg car to a mountaintop for a TV commercial photo
3 answers
asked by
Diana
511 views
A 3.0 kg block is pushed along a horizontal floor by a force F of magnitude 19 N at an angle θ = 30° with the horizontal. The
2 answers
asked by
Alejandra
689 views
A 3.0-kg block is at rest on a horizontal floor. If you push horizontally on the 3.0-kg block with a force of 12.0N it just
3 answers
asked by
Jake
498 views
Please help me I have no idea how to do this problem at all.
Question:A sledge loaded with bricks has a total mass of 17.8 kg and
3 answers
asked by
Chan
521 views
A small metal cylinder rests on a circular turntable that is rotating at a constant speed.
The small metal cylinder has a mass of
3 answers
asked by
Chelsea
652 views
a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a pulley to as second block (m2),
4 answers
asked by
physics
1,543 views
A mine car, whose mass is 590 kg, rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of
3 answers
asked by
kb
1,042 views
A 5.0 104 kg space probe is traveling at a speed of 11000 m/s through deep space. Retrorockets are fired along the line of
4 answers
asked by
Brandon
925 views
A car can barley negotiate a 50.0m unbanked curve when the coeficient of friction betweens the tires and the road is 0.80. How
3 answers
asked by
Anonymous
596 views
A 15 g bullet is fired from a rifle, it takes 2.50×10^-3 s for the bullet to travel the length of the barrel, and it exits with
3 answers
asked by
Melusi
177 views
Which set of symbols are in order from softest to loudest
3 answers
asked anonymously
53 views
A 19,600 N Lincoln Town Car traveling in the +x direction makes a fast stop; the x-component of the net force acting on it is
3 answers
asked by
babes
96 views
In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straightaway at 78.0 m/s.
1 answer
asked by
Jacob
121 views
A winding drum raises a cage through a height of 63.0 m. The cage has, at first, an acceleration of 12.0 m/s2 until the velocity
1 answer
asked by
Anonymous
91 views
A 600g object is tied to a string 1m long and it is rotated in a horizontal circle of radius 0.8m thus the tension produced on
4 answers
asked by
Shreya
141 views
A 410 kg elevator is travelling up at a velocity of 4.07 m/s [Up] when it accelerates at 3.8 m/s^2 [Down]. What is the net force
3 answers
asked by
help
206 views
A 2.0 kg mass is placed against a spring of force constant 800 N/m, which has been compressed 0.22 m,
as illustrated. The spring
3 answers
asked by
howl
327 views
A body with an initial velocity of 26m/s is given uniform acceleration of 3.3m/s squared for 7.2 seconds. Calculate the velocity
1 answer
asked by
Anonymous
261 views
The speed limit in a school zone is 40Km/h. A driver traveling at this speed sees a child run into the road 13m ahead of his
1 answer
asked by
Abraham
295 views
Two blocks of mass m1 = 0.5 kg and m2 = 1.7 kg are connected by a massless string, as shown in the Figure. They are released
1 answer
asked by
Athavan
455 views
A wheel with a stone in its tire rolls along the ground. The wheel has a radius of 1.5 feet and completes one rotation every .4
1 answer
asked by
Randel
269 views
A tractor of mass 5.0×10^3kg is used to tow a car of mass 2.5×10^3kg. The tractor moved with a speed of 3.0m/s,just before the
4 answers
asked by
Anonymous
426 views
A 6.0 kg object at rest explodes into two parts. If part A has mass 2.0 kg and a velocity of 18.0 m/s right, what is the
4 answers
asked by
Dorian
465 views
A water balloon is fired at 34.0 m/s from a water cannon, which is aimed at an angle of 18° above the ground. The center of the
4 answers
asked by
anonymous
492 views
The particles as shown in the figure below are connected by a very light rod. They rotate about the y axis at 1.9 rad/s.
a. Find
3 answers
asked by
MUHAMMAD JUNAID
501 views
A bomb of mass 5kg explosed into equal fragment.at what angle these fragments fly apart. ?
2 answers
asked by
RO MAN
907 views
1. A fruit drops from the top of a tree 20m tall, the time it takes the fruit to reach the ground level is?
5 answers
asked by
Amina
1,734 views
Can anyone please help me with this?
Find the force acting on a 12,500 kg F4 Phantom jet in the following situations: 1. It is
4 answers
asked by
pipe
399 views
The motion of a ball scooped by a field hockey player can be modeled by h= -16t + 40t, where t is the time in seconds and h is
7 answers
asked by
huncho jack
1,397 views
A Ball is thrown vertically upwards and reaches its maximum height 2.0s later.
a)WHat is the intitial velocity of the ball?
3 answers
asked by
jiiiiiiiiii
708 views
A pilot of mass m can bear a maximum apparent weight 7 times of mg.The aeroplane is moving in vertical circle.if the velocity of
3 answers
asked by
Thousif
1,479 views
A car with mass (452) kg attempts to make a turn with a radius of (31.8) m at a speed of (21.5) m/s on a horizontal surface.
4 answers
asked by
dali
790 views
A basketball explodes into three separate pieces. Two pieces of equal mass shoot off at 20.3 m/s, one travelling to the south
3 answers
asked by
HELP!!!
814 views
A cart with a mass of 5.35 kg is placed on a frictionless ramp at an angle of 14.2. The cart is released and rolls down the
3 answers
asked by
Anon
494 views
A person in a kayak starts paddling, and it accelerates from 0 to 0.568 m/s in a distance of 0.389 m. If the combined mass of
2 answers
asked by
BrookeNeed
499 views
A solid cylinder rolls from rest down an incline 6m
high without slipping. calculate the linear velocity at the foot of the plane
3 answers
asked by
David
885 views
The mass of a minibus is 1500kg,assume that the passenger have an average mass of 50kg each.The driver is moving at a speed of
3 answers
asked by
ascentia
569 views
A block of mass 3kg which is on a smooth inclined plane making an angle of 30° to the horizontal is connected by a cord passing
3 answers
asked by
swati
751 views
A 1600 kg block of granite is pulled up an incline that has an angle of inclination θ = 20 ° with a constant speed of 1.21 m/s
3 answers
asked by
Julia
1,377 views
A 24.5-kg child is standing on the outer edge of a merry-go-round which has moment of inertia 989 kg • m2 and radius 2.40 m.
2 answers
asked by
Anonymous
1,073 views
As your vacation job, you are driving a concrete mixer (mass 3300 kg). While driving down a hill (angle α = 29° with the
3 answers
asked by
Breaking on a hill
794 views
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