A 32kg block is attached to a spring and can be moved without friction through the slot as shown. The block is in equilibrium when it is hit by a hammer which imparts an initial velocity to the block of 270mm / s. Determine the maximum acceleration of the block.
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A 32kg block is attached to a spring and can be moved without friction through the...
11. How high should an object go so that its potential energy gain is the same...
11. How high should an object go so that its potential energy
gain is the same as its kinetic energy when it was moving at 20
m/s?
12. A 2000 kg carriage moves with an initial velocity of 25.0
m/s on horizontal road slides to a stop at a distance of 60.0 M.
(a) Find the work done by the kinetic friction force in the
carriage. (b) Determine the kinetic friction coefficient between
the wheels and the road. Ans: (a)...
A block of 3.00kg oscillates on a base attached to a spring. The Constant k of...
A block of 3.00kg oscillates on a base attached to a spring. The
Constant k of the spring is 2.50 N / m. The block is subject to the
action of a damping force whose damping constant is b = 0.900 kg /
s. Determine the natural angular frequency of the damped
oscillations.
Un bloque de 3.00 kg oscila en una base unida a un resorte. La constante k del resorte es 2 El bloque está sujeto a la acción...
A box slides down a channel tilted at an angle q, this channel is at an...
A box slides down a channel tilted at an angle q, this channel is at an angle
straight as shown in the figure. The kinetic coefficient of friction of the box and the channel is k. Find
acceleration of the box
with body diagram please!!!
3.- (30 Pts.) Una caja se desliza hacia abajo por una canal inclinada a un ángulo q, esta canal está en ángulo recto como se muestra en la figura. El coeficiente de fricción cinético de...
2. Refiérase a la siguiente figura. Halle el valor de la fuerza F necesaria para que...
2. Refiérase a la siguiente figura. Halle el valor de la fuerza F necesaria para que el bloque de 90 lbf suba con velocidad constante. Considere la superficie lisa (sin fricción). • Muestre el diagrama de cuerpo libre. A) 54.2 lbf B) 67.8 lbf C) 71.9 lbf D) 90.0 lbf 37° E) 119.4 lbf 3. Si la partícula se encuentra en equilibrio y no hay fricción entre el bloque y el plano inclinado, ¿cuánto vale el peso del bloque suspendido?...
Neglecting the weight of the bar of length L, pivoted at its center and balanced with...
Neglecting the weight of the bar of length L, pivoted at its
center and balanced with a block of weight W at a distance x from
the left side, at the beginning and at the end of the bar are two
charged spheres q and 2q respectively.
At a distance h directly below the spheres are other charged
spheres Q.
Find the distance x when the bar is balanced in the position
shown.
What value must h have so that...
3.29. Un peso W' se deja caer desde una altura h sobre un resorte de cons-...
3.29. Un peso W' se deja caer desde una altura h sobre un resorte de cons- tante k. Calcular (a) la máxima deformación del muelle, (b) la velocidad máxi- ma alcanzada por el peso. (c) Resolver los apartados a y b suponiendo h 0. FIG. P 3.29 Y P 3.30
To transport a series of packages of roof tiles A to the roof, a contractor uses a motorized lift truck consisting...
To
transport a series of packages of roof tiles A to the roof, a
contractor uses a motorized lift truck consisting of a horizontal
BC platform that is mounted on the rails attached to the sides of a
ladder. The forklift begins its movement from rest, at first it
moves with a constant acceleration a1 as shown in the figure. Then
it decelerates at a constant rate a2 and stops at D, near the top
of the ladder. If it...
6. Presuma que está examinando las características oscilatorias del sistema de suspensión de un carro que...
6. Presuma que está examinando las características oscilatorias del sistema de suspensión de un carro que tiene una masa de 2400 kg. La suspensión baja 14 cm cuando se le coloca la carrocería encima. La amplitud decrece por un 50% durante una oscilación completa. Calcule: (a) La constante k del resorte, (b) La constante b de amortiguamiento para el sistema resorte y “shock absorber” de una rueda presumiendo que cada rueda sostiene 500 kg.
The crane is used to pick up loads from C. The crane is mountd over a...
The crane is used to pick up loads from C. The crane is mountd
over a base separated by 9m (in A). The arm of the crane has a
weight of 4kN (located in D), and the rest of the structure adds to
a weight of 13kN (located in E). In B, there is a counterweight of
31kN. The lad can move to the extreme of C. Determine the max load
so that the crane does not flip, or collapse....
A motor gives pulley A an angular acceleration αA = (2 t3) rad / s2, where...
A motor gives pulley A an angular acceleration αA = (2 t3) rad /
s2, where t is in seconds. If you are initially rotating at an
angular speed ωA = 15 rad / s, determine the speed and acceleration
of point D when t = 3 s. Point D is on pulley C. Pulley B is fixed
to pulley C and rotates together.
Un motor le da a la polea A una aceleración angular QA = ( 2 t)...
11. How high should an object go so that its potential energy
gain is the same as its kinetic energy when it was moving at 20
m/s?
12. A 2000 kg carriage moves with an initial velocity of 25.0
m/s on horizontal road slides to a stop at a distance of 60.0 M.
(a) Find the work done by the kinetic friction force in the
carriage. (b) Determine the kinetic friction coefficient between
the wheels and the road. Ans: (a)...
A block of 3.00kg oscillates on a base attached to a spring. The
Constant k of the spring is 2.50 N / m. The block is subject to the
action of a damping force whose damping constant is b = 0.900 kg /
s. Determine the natural angular frequency of the damped
oscillations.
Un bloque de 3.00 kg oscila en una base unida a un resorte. La constante k del resorte es 2 El bloque está sujeto a la acción...
A box slides down a channel tilted at an angle q, this channel is at an angle
straight as shown in the figure. The kinetic coefficient of friction of the box and the channel is k. Find
acceleration of the box
with body diagram please!!!
3.- (30 Pts.) Una caja se desliza hacia abajo por una canal inclinada a un ángulo q, esta canal está en ángulo recto como se muestra en la figura. El coeficiente de fricción cinético de...
2. Refiérase a la siguiente figura. Halle el valor de la fuerza F necesaria para que el bloque de 90 lbf suba con velocidad constante. Considere la superficie lisa (sin fricción). • Muestre el diagrama de cuerpo libre. A) 54.2 lbf B) 67.8 lbf C) 71.9 lbf D) 90.0 lbf 37° E) 119.4 lbf 3. Si la partícula se encuentra en equilibrio y no hay fricción entre el bloque y el plano inclinado, ¿cuánto vale el peso del bloque suspendido?...
Neglecting the weight of the bar of length L, pivoted at its
center and balanced with a block of weight W at a distance x from
the left side, at the beginning and at the end of the bar are two
charged spheres q and 2q respectively.
At a distance h directly below the spheres are other charged
spheres Q.
Find the distance x when the bar is balanced in the position
shown.
What value must h have so that...
3.29. Un peso W' se deja caer desde una altura h sobre un resorte de cons- tante k. Calcular (a) la máxima deformación del muelle, (b) la velocidad máxi- ma alcanzada por el peso. (c) Resolver los apartados a y b suponiendo h 0. FIG. P 3.29 Y P 3.30
To
transport a series of packages of roof tiles A to the roof, a
contractor uses a motorized lift truck consisting of a horizontal
BC platform that is mounted on the rails attached to the sides of a
ladder. The forklift begins its movement from rest, at first it
moves with a constant acceleration a1 as shown in the figure. Then
it decelerates at a constant rate a2 and stops at D, near the top
of the ladder. If it...
The crane is used to pick up loads from C. The crane is mountd
over a base separated by 9m (in A). The arm of the crane has a
weight of 4kN (located in D), and the rest of the structure adds to
a weight of 13kN (located in E). In B, there is a counterweight of
31kN. The lad can move to the extreme of C. Determine the max load
so that the crane does not flip, or collapse....
A motor gives pulley A an angular acceleration αA = (2 t3) rad /
s2, where t is in seconds. If you are initially rotating at an
angular speed ωA = 15 rad / s, determine the speed and acceleration
of point D when t = 3 s. Point D is on pulley C. Pulley B is fixed
to pulley C and rotates together.
Un motor le da a la polea A una aceleración angular QA = ( 2 t)...
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