Physics, 08.10.2019 19:00 lizzzyyy60
Accurately describes the force of gravity? a. the gravity acceleration is in the same direction as the force of gravity, and thus toward the center of the earth. b. the gravity acceleration is in the same direction as the force of gravity, and thus away from the center of the earth. c. the force of gravity is slightly lower at the bottom of a mountain than it is at the top. d. the gravity acceleration has no effect on a body moving in directly the opposite direction of the force of gravity.
Answers: 1
Physics, 22.06.2019 03:00
Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
Answers: 2
Physics, 22.06.2019 14:40
14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is
Answers: 1
Physics, 22.06.2019 15:10
An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?
Answers: 2
Accurately describes the force of gravity? a. the gravity acceleration is in the same direction as...
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