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horrorfan [7]
3 years ago
15

If 360 Joules of work is needed to move a crate a distance of 4 meters, how much force was applied of the crate?​

Engineering
1 answer:
Aleksandr [31]3 years ago
4 0
I think 360 may divede by 4 meters
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The Hoover Dam (see the Video) backs up the Colorado River and creates Lake Meade, which is approximately 115 miles long and has
Kamila [148]

Answer: 0.518

Explanation: Total Area of lake = 225 sq miles = 6.273e+9 sq feet

Change in volume per second = 43800-6200 = 37600 cfs

Change in volume per day = 37600 * 3600 * 24 = 3.249e+9 cfd

Total rise of water level per day  = Change in volume per day/Total lake area

                                                       = 3.249e+9/6.273E+9 = 0.518 feet/day

7 0
3 years ago
Evaluate each of the following and express with an appropriate prefix: (a) (430 kg)^2 (b) (0.002 mg)^2, and (c) (230 m)^3
Mekhanik [1.2K]

Answer:

a)0.185g^2

b)4μg^2( Micrograms)

c)12.167hm^3( cubic hectometer)

Explanation:

To solve this problem, we must first use the calculator to solve each of the points, then knowing the number of zeros on the left or on the right, we choose a unit with which it is better to see the unit

A)

(430 kg)^2=184900kg^2=0.185g^2

B)

(0.002 mg)^2=4x10^-6mg^2=4μg( Micrograms)

c)

(230 m)^3=12167000m^3=12.167hm^3( hectometer)

6 0
3 years ago
How does a belt operated supercharger work? (Not a turbo charger)
icang [17]

Answer:

A root-type supercharger works similar to that of an air pump. It pumps air into the intake of the engine. Within the engine cylinder, the compression of the air-fuel mixture takes place. A centrifugal supercharger, works like a turbo, compresses the air in it and then delivers it to the engine.

3 0
3 years ago
Air at a temperature of 333 °C flows with a velocity of 10 m/s over a flat plate 0.5m long. Estimate the cooling rate per unit w
Rama09 [41]

The answer & explanation for this question is given in the attachment below.

3 0
4 years ago
The waffle slab is: a) the two-way concrete joist framing system. b) a one-way floor and roof framing system. c) the one-way con
GREYUIT [131]

Answer:

a) the two-way concrete joist framing system

Explanation:

A waffle slab is also known as ribbed slab, it is a slab which as waffle like appearance with holes beneath. It is adopted in construction projects that has long length, length more than 12m. The waffle slab is rigid, therefore it is used in building that needs minimal vibration.

4 0
3 years ago
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