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Dynamics
Page 9
Questions (1,165)
a pendulum bob has by passing through its lowest position. what is its speed when make angle of 60 with the vertical the length
1 answer
asked by
Ankit
460 views
What mathematical representation correctly identifies impulse
3 answers
asked anonymously
107 views
Two blocks with equal masses m1 = m2
3.2 kg are connected via a pulley as shown in the above figure. Take the coefficent of
2 answers
asked by
Kevin
574 views
A block of mass m1 hangs vertically and is attached by a string to a block of mass m2 on a frictionless slope inclined at angle
1 answer
asked by
Kevin
462 views
A ski tow operates on a slope of angle 15.4 ∘ of length 320 m . The rope moves at a speed of 12.5 km/h and provides power for
2 answers
asked by
Moe
789 views
When a rocket is 3km above the ground,it has an upward velocity of 10 m.s^-1.A booster rockect is fired downward,resulting in a
3 answers
asked by
jeniffer
521 views
What causes a change in an object's motion?
13 answers
asked anonymously
21 views
A person thought it would be a good idea to change a tire on the side of a hill. The tire has a width
of W = 0.30 m and a radius
3 answers
asked by
Vanessa
504 views
A pendulum is constructed of a mass m connected to a mass ess rigid rod of lengthl. As shownin the figure, the other end of the
1 answer
asked by
Sara
473 views
Imagine two billiard balls on a pool table. Ball A has a mass of 2 kilograms and ball B has a mass of 3 kilograms. The initial
2 answers
asked by
JCAINE
743 views
A frictionless pulley (a 2.0 kg is on the floor while the 3.0 kg is 0.5m high) . when released, momentum of the 2kg is?
3 answers
asked by
Mona
410 views
Is this right?
Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of exerting 1350
1 answer
asked by
Anonymous
455 views
A 10 kg mass (initially at rest) is attached to a rope, which is wrapped about a thin-walled hollow cyclinder of diameter D = 50
1 answer
asked by
Steve
474 views
A uniform rod m1 and having a length L is hanging vertically downward and pin supported at the center of mass of a roller (disc)
1 answer
asked by
Jonnie
468 views
A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20 g bullets at 970 m/s . The mass of the hunter
3 answers
asked by
gh
746 views
A truck has wheels of diameter 0.9m, a weight of 8000kg, a wheel-base of 4m, and a tray height
of approximately 1.2m. The
2 answers
asked by
Brett
623 views
A combat jet lands on a carrier with a horizontal velocity of 50 m/s. A stopping mechanism exerts a horizontal force of Tx =
1 answer
asked by
Ronnier
689 views
A sled of mass m = 70.0 kg is being pulled horizontally on a frictionless floor by a force F = 420 N that makes an angle 20.0o
2 answers
asked by
Anonymous
594 views
Give one condition for a body along banked road to avoid skidding
1 answer
asked by
ADJEI
349 views
A small ball with a mass of 1 kg rolls down a long frictionless inclined ramp, which is at an angle 3o Degree
above the horizon.
6 answers
asked by
Anonymous
641 views
A ball moving at +3.0 m/s along a table rolls off a table and lands on the ground 2.0 m away. How high was the table?
h = 9.8 ×
1 answer
asked by
Penny
879 views
A big truck has a mass of 5,000kg. It is moving down the road at a velocity of 15m/s. As it approaches a stop sign, the driver
2 answers
asked by
Devynn
535 views
A 921kg sports car is moving rightward with a speed of 29.0m/s. The driver suddenly slams on the brakes, causing a 8347N
2 answers
asked by
Tina
607 views
10kg mass is attached to a 5kg mass by a 20cm cord. The 5 kg mass is attached by a 30cm cord to a motor that rotates the entire
2 answers
asked by
Anonymous
569 views
An upward force of 1 2 104N acts on an elevator of mass 2 0 103kg. Calculate the acceleration of the elevator. Take g=9 8ms−2
3 answers
asked by
hart
473 views
a sledge of mass 25kg is pulled along a smooth frozen lake by a rope which is pulled at an angle of 30 degrees to the
1 answer
asked by
nancy
489 views
A small, spherical bead of mass 3.00 g is released from rest at t = 0 from a point under the surface of a viscous liquid. The
3 answers
asked by
lin
1,349 views
Describe what it means (describe the motion) if the acceleration vector has the same direction as the velocity vectors, and what
1 answer
asked by
Layla
478 views
A block of mass 21.5 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a
2 answers
asked by
val
570 views
A block of mass 21.5 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a
1 answer
asked by
val
481 views
what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s
3 answers
asked by
crystal
885 views
On a spacecraft, two engines are turned on for 910 s at a moment when the velocity of the craft has x and y components of v0x =
2 answers
asked by
anonymous
660 views
Okay, so I've figured this much out on my own, I just need help with the next part.
It's a two block system with a friction of
3 answers
asked by
unknown
366 views
Sliding Blocks
(14 points possible) A small cube of mass 1.0 kg slides down a circular and frictionless track of radius 0.6 m cut
2 answers
asked by
Anonymous
572 views
A yoyo of mass m= 2 kg and moment of inertia I_cm= 0.09 kg m consists of two solid disks of radius R= 0.3 m, connected by a
2 answers
asked by
Rukha
573 views
A block of mass 3.8 kg hangs vertically from a frictionless pulley of mass 5.9 kg and radius 20 cm. Treat the pulley as a disk.
1 answer
asked by
shek
493 views
A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An
2 answers
asked by
Anonymous
631 views
A light inflexible cable is wrapped around a cylinder of mass m1 , radius R , and moment of inertia about the center of mass Ic
1 answer
asked by
A
402 views
A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure).
The spring has a spring
3 answers
asked by
Anonimus
449 views
Consider an object with a mass of 12.5 kg moving at a constant speed in a circular path with a radius of <11.30> m. The object
2 answers
asked by
yoalin
526 views
A meteorite of mass m= 2 ×104 kg is approaching head-on a planet of mass M= 7 ×1029 kg and radius R= 5 ×104 km. Assume that
6 answers
asked by
Anonimus
675 views
A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity
1 answer
asked by
Anonymous
398 views
A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity
5 answers
asked by
Anonymous
1,021 views
Marbles rolling down the ramp and horizontally off your desk consistently land 46.0 cm from the base of your desk. Your desk is
2 answers
asked by
Carlos
529 views
The velocity of a 2.5 kg block sliding down a frictionless inclined plane is found to be 1.25 m/s. 1.00 s later, it has a
1 answer
asked by
Anonymous
387 views
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square,
2 answers
asked by
Anonymous
537 views
How much force is exerted on a sled if the mass of the sled is 65 kg and the acceleration is 4m/s2
3 answers
asked by
jjessica
663 views
the power developed by a man in riding up a 6 percent grade at a constant speed is 200w. the man and his bicycle have a combined
1 answer
asked by
Anonymous
446 views
wo identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped
4 answers
asked by
lisa
517 views
What is the definition of momentum?
1 answer
asked by
Joe
28 views
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