Search & Filtering
An automobile starting from the rest speeds up to 15 m/sec. with a constant acceleration of 1.2 m/sec^2 , runs at fast speed for sometime and finally comes to the rest with the deceleration of 1.5 m/sec ^2 . If the total distance travelled is 400 m find the total time required. *
The acceleration of a point is a= 30t m/s^2. When t= 0, s=50 m, and V= 15 m/s. a.)What is the position of the point at t=3 sec? b.) What is the velocity of the point at t= 3 sec? c.) What is the acceleration of the point at t= 3 sec? *
A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s^2. Determine the time for the feather to fall to the surface of the moon. *
work done on the steady flow system is 30 kJ/kgm. Calculate the heat in HP
if the mass flow rate of fluid is 10 kg per minute given that the internal energy
is decreased by 10 kJ/kgm and the fluid flow is increased by 20 kJ/kgm. Also,
identify if the heat is added to the system or rejected by the system
A work done on the steady flow system is 30 kJ/kgm. Calculate the heat in HP
if the mass flow rate of fluid is 10 kg per minute given that the internal energy
is decreased by 10 kJ/kgm and the fluid flow is increased by 20 kJ/kgm. Also,
identify if the heat is added to the system or rejected by the system
Calculate the absolute pressure of the fluid in psi when its volume is at
1000 cubic inches per lbm given that the enthalpy of the fluid flow is
10 Btu/lbm and has an internal energy of 5 Btu/lbm
A gas on a piston cylinder has a constant pressure of 10 psig vacuum. The
piston undergoes expansion which makes the volume of the gas from 0.05 m3
to 0.10 m3. Calculate the non-flow work in kJ
If 10 kg/min of air are compressed isothermally from P1=96kPa and V1=7.65m^3/min to P3=620kPa, find the work change of entropy and the heat for: a) nonflow process and b) steady flow process with v1=15m/s and v2=60m/s.
f 10 kg/min of air are compressed isothermally from P1=96kPa. Find the work change entropy and the heat for
(A) non flow process with v1=15m/s and v2=60m/s
Three pounds of perfect gas with R=38 ft.lb/lb.R and k= 1.667 have 300 Btu of heat added during a reversible nonflow constant pressure change of state. The initial temperature is 100 °F. Determine the
(A) final temperature
(B) change in heat ∆H
(C) W
(D) ∆U
(E) ∆S
