Q7:The tanker has a mass of 130 Gg. If it is originally at rest, determine its speed when t 10s .The horizontal thrust provided by its propeller varies with time as shown in the graph. Neglect the effect of water resistance. | Ans.: (a) v = 0. 849 m/s F (MN) F = 30(1 – e-0.1) t (s)
Q7:The tanker has a mass of 130 Gg. If it is originally at rest, determine its speed when t 10s .The horizontal thrust provided by its propeller varies with time as shown in the graph. Neglect the effect of water resistance. | Ans.: (a) v = 0. 849 m/s F (MN) F = 30(1 – e-0.1) t (s)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
![Q6: The 2.5-Mg pickup truck is towing the 1.5-Mg
car using a cable as shown. If the car is initially at
rest and the truck is coasting with a velocity of 30
km/h when the cable is slack, determine:
1. The common velocity of the truck and the car
just after the cable becomes taut.
2. The loss of energy.
[ Ans. (1) v2 = 5. 21 m/s , (2) AE = 36.6 kJ ]
30 km/h
Q7:The tanker has a mass of 130 Gg. If it is
originally at rest, determine its speed when t = 10s
.The horizontal thrust provided by its propeller
varies with time as shown in the graph. Neglect the
effect of water resistance.
[ Ans.: (a) v = 0. 849 m/s
F (MN)
F = 30(1 – e 0.1)
t(s)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb2e98355-ad61-47eb-8ee4-4f8949b4edf5%2Fd8820a5f-de12-4c4f-92a8-884494711284%2Fj0xsr8c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q6: The 2.5-Mg pickup truck is towing the 1.5-Mg
car using a cable as shown. If the car is initially at
rest and the truck is coasting with a velocity of 30
km/h when the cable is slack, determine:
1. The common velocity of the truck and the car
just after the cable becomes taut.
2. The loss of energy.
[ Ans. (1) v2 = 5. 21 m/s , (2) AE = 36.6 kJ ]
30 km/h
Q7:The tanker has a mass of 130 Gg. If it is
originally at rest, determine its speed when t = 10s
.The horizontal thrust provided by its propeller
varies with time as shown in the graph. Neglect the
effect of water resistance.
[ Ans.: (a) v = 0. 849 m/s
F (MN)
F = 30(1 – e 0.1)
t(s)
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