Physics, 22.04.2020 02:51 amylumey2005
Technician A says that the intake valve runs hotter than the exhaust valve because the intake valve has the greater surface area. Technician B says that the exhaust valves usually do not burn due to the scavenging effect of the exhaust stream. Which technician is correct?
A) Technician A only
B) Technician B onlyC) Both technicians A and B
D) Neither technician A nor B
Answers: 2
Physics, 21.06.2019 18:00
Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs
Answers: 1
Physics, 21.06.2019 18:50
How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.
Answers: 1
Physics, 22.06.2019 05:30
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
Technician A says that the intake valve runs hotter than the exhaust valve because the intake valve...
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