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Science and Engineering
Page 2
Questions (298)
What mass of steam is required to release 4.36 × 105 kJ of heat energy on condensation? answer in unit of g.
3 answers
asked by
Anonymous
2,079 views
how do i find the revolutions per minute of a pulley that is turned 120 degrees per second?
4 answers
asked by
Thomas
994 views
oil is leaking from a pipeline on the surface of a lake and forms an oil slick whose volume increases at a constant rate of 2000
3 answers
asked by
sam
1,354 views
Density is the ratio of mass to volume. Mercury has a density of 1.36 x 10^4 kg/m^3. What is the density of mercury in units of
4 answers
asked by
Brooke
2,001 views
A machine you designed has an efficiency of 60%. What happens to 60% of the work put into the machine, and what happens to the
4 answers
asked by
Alex
1,706 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the
4 answers
asked by
student
437 views
give three examples of equipment used when heating objects
3 answers
asked by
dhruv
657 views
A student has built a 20-cm-long pinhole camera for a science fair project. She wants to photograph the Washington Monument,
4 answers
asked by
ali
2,339 views
If your bridge weight is 10g. What is the maximum weight in lbs that your bridge can hold with a bridge efficiency= 6000.
3 answers
asked by
Jogn Mers
687 views
A high-speed drill rotating ccw at 2300 rpm comes to a halt in 2.9 s .
3 answers
asked by
Anonymous
1,420 views
A car travels along a straight road, heading east for 1 h, then traveling for 30 min on another road that leads northeast. If
4 answers
asked by
Jessica
2,367 views
copper has a density of 8900 kg/m3. calculate the mass of 2.8 m3 of copper in kilo grams
3 answers
asked by
Anonymous
644 views
Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be
4 answers
asked by
Anonymous
1,070 views
Imagine that you have a 5.00 L gas tank and a 4.00 L gas tank. You need to fill one tank with oxygen and the other with
4 answers
asked by
Wolfgang
1,212 views
which dam must be stronger, one that hold back 100000 m^3 of water 10 meters deep or one that holds back 1000 m^3 of water 20
7 answers
asked by
Hale
1,767 views
List and briefly th explain the five forces that can act on any structure
Please Help
3 answers
asked by
Jocelyn
509 views
Designing a Chemical System. In any industrial process, a company will consider what they can do to earn a profit while
3 answers
asked by
no
122 views
what factors should be modified to change the amount of current induced in the wire?
3 answers
asked by
Sheila Ann
112 views
A pulley system with IMA of 4 requires a force of 15 New Ton tol lift a load of 45 New Ton. Find the efficiency of the machine
4 answers
asked by
Surafel
685 views
1) a car travelling at 50km per second from rest cover a distance of 10km in 40 minu,caculate the acceleration of car
1 answer
asked by
Vep
308 views
The height of the water in a tank decreases 3 inches each week due to evaporation. What is the change in the height of the water
4 answers
asked by
Aryanna
603 views
Computer the power output in watt of a machine that lift a 50kg crete through a height of 20cm in 1minute
4 answers
asked by
muhammad nazifi
1,447 views
A rotating water sprinkler can spray water a distance of 15m. What area of grass can the sprinkler cover?
4 answers
asked by
Jill
1,378 views
An air gap exists between fluids in a bottle and the cap of the bottle. At a firm producing olive oil, the gap is critical to
4 answers
asked by
Deeptimaan
995 views
The ice-cream cone wrapper is having the flat side on the top and the point at the bottom.
Draw the shape of this ice-cream cone
7 answers
asked by
Anonymous
621 views
Example of conduction in solid, convection through liquid or gases
3 answers
asked anonymously
24 views
A technician is inspecting a fire sprinkler system. The water tank is spherical with a diameter of 5.5 feet. How much water does
3 answers
asked anonymously
51 views
A 70 ohm resistor is connected to a 6.7 V
battery in the circuit below.When the switch is closed, calculate the current I. Answer
3 answers
asked by
maria
429 views
Highway safety engineers build soft barriers so that cars hitting them will slow down at a safe rate. A person wearing a seat
4 answers
asked by
john
2,582 views
What is a cross sectional area of a bridge and does it affect the length of a bridge?
2 answers
asked by
Rebecca
1,237 views
A student is providing evidence to support the following central idea roller coasters are designed by engineers who harness the
2 answers
asked anonymously
78 views
A stupid vitamins is important to follow us into idea what causes are designed by engineering school harness the power of
2 answers
asked anonymously
41 views
A chemical engineer must report the average volume of a certain pollutant produced by the plants under her supervision here are
2 answers
asked anonymously
50 views
how would i build a catapult using
35 popsicle sticks 2 ft of duct tape 2 straws 2 rubber bands 2 plastic spoons 1 posterboard
2 answers
asked by
questionz
48 views
A 2 foot diameter pool fire kerosene 1 meter deep is burning in a confined area. What is the largest mass flux for the pool fire
1 answer
asked by
allen
82 views
3. Which one of the flowing could get great los in chemical maturing indestr
A. Quality and quailty of pat C Vavenia veration 14.
1 answer
asked by
Hfhf
66 views
What kind of phrase is underlined?
The object is to toss the egg without breaking it.
1 answer
asked by
Anonymous
130 views
What can I become with these subjects or can I be environmental engineer
1 answer
asked by
thabang
157 views
The behaviour of a material is represented by the rheological diagram below.
Plot the tensile plastic stress-strain curve
1 answer
asked by
Julie
252 views
Express the force F3 as Cartesian vector.
ndrewkim.x10host.com/Spring2021/ENGR2605SEC004/CW_CH2/images/figure2.jpg
3 answers
asked by
mm
304 views
Draw a circuit diagram of the arrangement
3 answers
asked by
ERNEST
411 views
An LRC filter has two inductors of inductance L1 and L2, a capacitor
of capacitance C1, and two resistors of resistance R1 and
1 answer
asked by
Tony Thompson
224 views
explain how you would determine the constant k for a spring.
1 answer
asked by
lyssa
236 views
The measurement system used most by scientists and engineers known as the international system of units is represented by the
1 answer
asked by
Censored
406 views
An atomic force microscope cantilever, of rectangular cross section,
has a length, L of 200𝜇𝑚 a width, b of 20𝜇𝑚 and
1 answer
asked by
Alex
348 views
12. A 30ft diameter cylindrical tank of xylene is burning. The depth of the fuel is 15 ft. how long will it burn without
3 answers
asked by
clint
557 views
I have a coil of copper wire. I want to know the length of the wire in the coil. I do not wish to unwind the coil and measure
2 answers
asked by
Z
490 views
Why do sound engineers use spongy materials on walls?(1 point) Responses to transmit sound waves more clearly to transmit sound
4 answers
asked anonymously
220 views
In wastewater treatment, dimension the following pre-treatment unit for a wastewater treatment plant receiving a dry weather
3 answers
asked by
Anonymous
936 views
What is an example of a stable system?
How were you able to determine whether or not this system is stable? Please don't attach
6 answers
asked by
Please help!!!!!!!
784 views
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