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Mechanics
Page 9
Questions (40,021)
two uniform cylinders have different masses and different rotational inertias.they simultaneously start from rest at top of an
4 answers
asked by
owen
4,155 views
A body of mass 500g suspended from the end of a spiral spring which obeys Hooke's law, produced an extension of 10cm. If the
4 answers
asked by
Fynface
1,561 views
a bullet of mass 20 grams is fired horizontally into suspended stationally Worden block of mass 380 grams with velocity of 200
7 answers
asked by
Manikumar shah
2,334 views
a) The x-coordinate of an electron is measured with an uncertainty of 0.20 mm. What is the xcomponent
of the electron’s
4 answers
asked by
B. Ramez
4,033 views
A force of 40N is applied at the end of a wire 4m long and produces an extension of 0.24mm. If the diameter of the wire is
5 answers
asked by
andre
3,156 views
A thin, light string is wrapped around the rim of a 4.00kg solid uniform disk that is 30.0cm in diameter. A person pulls on the
4 answers
asked by
Erin
2,021 views
Teh mechanical advantage (assume the lever is 100% efficient
4 answers
asked by
Temu
408 views
A car of mass 760kg travels with a velocity of 14ms-1
If the brakes are applied,the car travels a distance of 55m before coming
4 answers
asked by
Alos
758 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
837 views
a) A 40 cm radius wheel is rotating at 20rad/sec. How fast is this wheel moving across the ground?
b) How far (in meters) will
4 answers
asked by
Martin
2,704 views
query=a stone of mass 30grams is placed in a measuring cylinder containing some water. the reading of the water level increases
4 answers
asked by
Matthew
1,352 views
a 2100 kg car starts from rest and accelerates at a rate of 2.6 m/s for 4 sec. assume that the force acting to accelerate the
4 answers
asked by
david
1,960 views
Block A (60 N) and block B (40 N) are connected by a massless cord and are AT REST. Given ìs = 0.8.
The friction on A is : 1. 40
4 answers
asked by
help !
1,610 views
A force of a magnitude 500N is applied to a Free end of a spiral spring of contant 1.0*10NM,Cal the energy stored in a streched
4 answers
asked by
Agbowo Emmanuel
679 views
If a load of 1kg stretched a cord by 1.2cm, what is the force constant of the cord ?. ( g=10m/s2) *
4 answers
asked by
Prince
595 views
A 400-gram package lying on a horizontal surface is attached to a horizontal string which passes over a smooth pulley. When a
4 answers
asked by
Rheabelle
4,440 views
A box weighing 890N is pulled along a horizontal surface by means of a string which is at 30o above the horizontal. If the
4 answers
asked by
Dan Ira King
607 views
a body weighing 40N drops freely from a hieght of 50m and penetrates into the ground by 100cm.find the average resistance to
4 answers
asked by
impulse and momentum
1,252 views
A METRE RULE IS BALANCED BY MASSES OF 24 G AND 16 G SUSPENDED FROM ITS ENDS. FIND THE POSITION OF ITS PIVOT.
4 answers
asked by
Anonymous
526 views
A ball of mass 0.5 kg, initially at rest, acquires a speed of 4 m/s immediately after being kicked by a force over a period of
4 answers
asked by
Anonymous
825 views
A pair of sleds weighs 25kg and experiences a frictional force of 25N. If a dog team applies a 175N force pulling it 12m.
1. Find
4 answers
asked by
Anonymous
1,424 views
A rocket is used to place a synchronous satellite in orbit about the earth. What is the speed of the satellite in orbit?
4 answers
asked by
NJ
3,159 views
A body of mass 15kg is placed on a smooth plane which is inclined at 60° to the horizontal. Find:
a)the acceleration of the body
4 answers
asked by
Megan
1,425 views
A hydraulic jack has an input piston that is 1.2 cm2 in area and an output piston that is 144 cm2 in area. How much input or
4 answers
asked by
DariaV
2,349 views
A projectile is fired with an initial velocity of 193.2 fps upward at an angle 30∘ to the horizontal from point 257.6 ft above
4 answers
asked by
Lemon
1,786 views
an effort of 250N is applied to a pulley system consisting of two fixed and two movable pulleys to lift a load to a height of
5 answers
asked by
Charles
644 views
A spring of natural length 30.0cm is stretched 35.0cm by a load of 15N Cal calculate the extension produce
Pls answer nowwww
6 answers
asked by
Somto
888 views
Which of the following is the correct equation for Στ for the given rotation axis? All rotation axes lie on the x axis and
3 answers
asked by
Jimmy
1,360 views
A yacht is moving at 10kmh in a south easterly direction and encounters a 3kmh current from the north. Find the actual speed and
3 answers
asked by
Bubbles
976 views
A mass of 8kg is pulled by a force of 20N along a smooth floor.find
(1) Acceleration (2)Velocity after 4sec (3) Distance move in
4 answers
asked by
Bamidele Olamide
677 views
A uniform road AB of mass 6g is balanced horizontal about a knife edge at a distance of 3cm from end A where a mass of 8g is
4 answers
asked by
fadhili
791 views
A particle moves on a straight line. The velocity after t seconds is given by V= 3t^2 – 6t – 8.
The distance of the particle
3 answers
asked by
kudu
2,473 views
A wheel is spinning with constant angular velocity the ratio of speed of a point on the end of rim to the speed of point halfway
3 answers
asked by
sunny chauhan
848 views
Please do an e.g for me by Calculate the force required to move a small piston that has an area of 2m,if the force of a large
4 answers
asked by
Clendar
1,067 views
A crate of soda of 30kg is set at the top of inclined plane of 45degree to accelerate downward along the plane.calculate the
3 answers
asked by
Asmi
143 views
A bullet of mass 15g is short from a gun 15kg with a muzzle velocity of 200m/s if the bullet is 20cm calculate;(a)the
3 answers
asked by
mike
309 views
The weight in the following diagram has a mass of 0.50 kg and the cart has a mass of 0.26 kg. Friction is negligible. What is
3 answers
asked by
help
486 views
If a load of 100N is applied to a wire the extension is 1.2m calculate the energy stored in the wire
3 answers
asked by
Elizabeth
204 views
Three objects A,B,C are placed 50.0 cm apart along a straight line. A and B have a mass of 10.0 kg, while c has a mass of 15.0
4 answers
asked by
anonymous
873 views
Find the bearing and airspeed for a plane to fly 630 miles due north in 3 hours if the wind is blowing from a direction of 318*
3 answers
asked by
lynn
1,307 views
A frictionless pendulum has a length of 1.2 m and a mass of 0.8 kg. If the pendulum is raised to an angle of 50 degrees before
1 answer
asked anonymously
121 views
The brick shown in drawing the is glued to the floor. A 3500-N force is applied to the top surface of the brick as shown. If the
4 answers
asked by
jeremy
2,622 views
A bullet is fired horizontally with a speed of 100 m/s aiming at a target 20m away. It misses the target by??
3 answers
asked by
Anonymous
1,720 views
A solid disk is released from rest and rolls without slipping down an inclined plane that makes an angle of 25.0° with the
2 answers
asked by
Sam
949 views
A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg
2 answers
asked by
pop
760 views
A 31.4-kg diver free falls from the diving board and hits the water with a speed of 10.0 m/s. Based on this information, the
1 answer
asked by
oihln
473 views
what happens when a falling object reaches terminal velocity?
1 answer
asked anonymously
90 views
A person gets a running start toward a wall from 5 meters away. The person pushes the wall with a force of 500 newtons, but the
1 answer
asked by
Uncle moe last name lester
82 views
A single movable Lully is being used to move a 140 N load. The pulley is a little dirty, so it adds another 5 N frictional
1 answer
asked anonymously
18 views
A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of
5 answers
asked by
Sam
5,487 views
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