Question
In: Math
A dam is inclined at an angle of 30° from the vertical and has the shape...
A dam is inclined at an angle of 30° from the vertical and has the shape of an isosceles trapezoid 200 ft wide at the top and 100 ft wide at the bottom and with a slant height of 140 ft. Find the hydrostatic force on the dam when it is full of water. (Round your answer to the nearest whole number. Recall that the weight density of water is 62.5 lb/ft3.)
Solutions
milcah answered 2 years agoRelated Solutions
A dam is inclined at an angle of 30° from the vertical and has the shape...
A dam is inclined at an angle of 30° from the vertical and has
the shape of an isosceles trapezoid 40 ft wide at the top and 20 ft
wide at the bottom and with a slant height of 30 ft. Find the
hydrostatic force on the dam when it is full of water. (Round your
answer to the nearest whole number. Recall that the weight density
of water is 62.5 lb/ft3.)
1. A 4 kg mass is resting on a ramp inclined at an angle of 30...
1. A 4 kg mass is resting on a ramp inclined at an angle of 30
degrees with respect to the horizontal. A string is attached to the
4 kg mass and passes over a frictionless pulley and is connected to
a 5 kg mass hanging over the side. If the coefficient of friction
between the ramp and the 4 kg mass if 0.3 find; A) The acceleration
of both masses B) The tension in the string C) Find the...
5. Draw a dam shape, show its parts on the shape, and illustrate the geological factors...
5.
Draw a dam shape, show its parts on the shape, and illustrate the
geological factors affecting the dam location selection.
A 4.00-kg block rests on an inclined plane that has an inclination angle of 31.3o. A...
A 4.00-kg block rests on an inclined plane that has an
inclination angle of 31.3o. A string attached to this block, goes
uphill and over a frictionless pulley, and then is attached to a
hanging block of mass M. The inclined plane has coefficients of
friction μs = 0.22 and μk = 0.13.
Draw a real world picture of this scenario.
Draw the free body diagrams for each of the blocks.
Show how to determine the mass M that will...
A 5.75-kg block is sent up a ramp inclined at an angle θ = 32.5° from...
A 5.75-kg block is sent up a ramp inclined at an angle θ = 32.5°
from the horizontal. It is given an initial velocity v0 = 15.0 m/s
up the ramp. Between the block and the ramp, the coefficient of
kinetic friction is μk = 0.382 and the coefficient of static
friction is μs = 0.687. How far up the ramp (in the direction along
the ramp) does the block go before it comes to a stop?
___________m
The face of a dam is vertical to a depth of 6m below the water surface...
The face of a dam is vertical to a depth of 6m below the water
surface and then slopes at an angle of 30◦ to the vertical. If the
depth of the water is 15m, specify completely the resultant force
per meter run acting on the face of the dam.
(1 point) Suppose a pendulum with length L (meters) has angle θ (radians) from the vertical....
(1 point) Suppose a pendulum with length L (meters) has angle θ
(radians) from the vertical. It can be shown that θ as a function
of time satisfies the differential equation:
((d^2)θ)/(dt^2))+(g/L)sinθ=0
where g=9.8/sec is the acceleration due to gravity. For small
values of θ we can use the approximation sin(θ)∼θ, and with that
substitution, the differential equation becomes linear.
A. Determine the equation of motion of a pendulum
with length 0.5 meters and initial angle 0.5 radians and initial...
A 10 kg block is placed on an inclined plane that is at an angle of...
A 10 kg block is placed on an inclined plane that is at an angle
of 30 degrees with respect to the horizontal. THe coefficient of
kinetic friction between the block and the plane is .1. The block
is released from rest at 5m above a spring that is also lying on
the plane. The spring has a constant of 50 N/m. What is the max
compression of the spring?
It is clear that the angle of section of a cone will affect the shape of...
It is clear that the angle of section of a cone will affect the
shape of the resulting ellipse or hyperbola. We know that the shape
is determined by the eccentricity. Find explicitly a relation
between the two.
A 50 kg crate slides down a ramp that is inclined by 30 degrees from the...
A 50 kg crate slides down a ramp that is inclined by 30 degrees
from the horizontal. The acceleration of the crate parallel to the
surface of the ramp is 2.0m/s^2, and the length of the ramp is
10m.
Determine the kinetic energy accumulated by the crate when it
reaches the bottom of the ramp if it started from rest at the top
of the incline.
Calculate the amount of energy lost by the crate due to friction
in its...
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