3. A ball is thrown vertically upward from the ground and a student gazing out the window sees it moving upward pass him at 5 m/s. The window is 1000cm above the ground. How high does the ball go above the ground? 4. A fluid enters a machine at 10200 m/min. 800000Pa, and with density of 3.333 kg/m³. The radiation heat loss is 25000J/kg. The internal energy decreases 485 kJ/kg. If the fluid leaves at 19800 m/min, 138000Pa, and 0.95m3/kg. Determine the work done by the fluid in kJ/kg.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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It is a Thermodynamics subject please show the complete and step by step solution. Use the given format I inserted. Please answer it as soon as possible.
PROBLEM no 1
ASGUMING THm THERE ARE no HEAT EPFETS Ano no
FRICTIUNAL EFIECTS, FINO T HE KINETIC ENERGY AND (PEED
Df A 3220 · Ibm Booy AFER IT FMIS• 118 4 FROm REST.
START WITH THE STEADY PLOW EQUATION, DELETING ENERGY
TERMS WHICH ARE IRRE LEVANT.
GIVEN:
m: 3220 Ibm
V, = 0
PE, + KE, + Wf, +ttQ= PEz + KEz + W4z tHs twt
PE, + KE, = PE, + KEz
mgm + mv,?
2K
mahi
K.
mahi
m Vz
2gh=2 (32 . 174 4)s²) ( 778 ft)
Vz= 223.75's or 224 fps
mv,? (3320 Jbm) (883.75 f+/6)?
2 ( 82. 174 bm
los .
2505225. 98 Ibf tg
BTU
= 322 o. 08 B
Transcribed Image Text:PROBLEM no 1 ASGUMING THm THERE ARE no HEAT EPFETS Ano no FRICTIUNAL EFIECTS, FINO T HE KINETIC ENERGY AND (PEED Df A 3220 · Ibm Booy AFER IT FMIS• 118 4 FROm REST. START WITH THE STEADY PLOW EQUATION, DELETING ENERGY TERMS WHICH ARE IRRE LEVANT. GIVEN: m: 3220 Ibm V, = 0 PE, + KE, + Wf, +ttQ= PEz + KEz + W4z tHs twt PE, + KE, = PE, + KEz mgm + mv,? 2K mahi K. mahi m Vz 2gh=2 (32 . 174 4)s²) ( 778 ft) Vz= 223.75's or 224 fps mv,? (3320 Jbm) (883.75 f+/6)? 2 ( 82. 174 bm los . 2505225. 98 Ibf tg BTU = 322 o. 08 B
3. A ball is thrown vertically upward from the ground and a student gazing out the window
sees it moving upward pass him at 5 m/s. The window is 1000cm above the ground.
How high does the ball go above the ground?
4. A fluid enters a machine at 10200 m/min. 800000PA, and with density of 3.333 kg/m.
The radiation heat loss is 25000J/kg. The internal energy decreases 485 kJ/kg. If the fluid
leaves at 19800 m/min, 138000Pa, and 0.95m3/kg. Determine the work done by the
fluid in kJ/kg.
Transcribed Image Text:3. A ball is thrown vertically upward from the ground and a student gazing out the window sees it moving upward pass him at 5 m/s. The window is 1000cm above the ground. How high does the ball go above the ground? 4. A fluid enters a machine at 10200 m/min. 800000PA, and with density of 3.333 kg/m. The radiation heat loss is 25000J/kg. The internal energy decreases 485 kJ/kg. If the fluid leaves at 19800 m/min, 138000Pa, and 0.95m3/kg. Determine the work done by the fluid in kJ/kg.
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