Physics, 30.12.2021 15:20 asndjsd9397
a particle moves in the xy-plane with position given by (x (t), y(t )) = (5 - 2t, t2 - 3) at time t. in which direction is the particle moving as it passes through the point (3, -2) ?
Answers: 2
Physics, 22.06.2019 02:10
"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."
Answers: 2
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
Physics, 22.06.2019 21:00
During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver
Answers: 2
a particle moves in the xy-plane with position given by (x (t), y(t )) = (5 - 2t, t2 - 3) at time t....
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