Physics, 28.07.2019 01:30 devinfolds

Plase easy physics in two or more complete sentences, explain how to find the time it takes for a rocket following the path of the parametric equations, x = 3t^2 and y = -9t + 18, to hit the ground.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 02:30, JanaMiqdad1003

Agas initially at p1 = 1 bar and occupying a volume of 0.5 liter is compressed within a piston–cylinder assembly to a final pressure p2 = 4 bar. (a) if the relationship between pressure and volume during the compression is pv = constant, determine the volume, in liters, at a pressure of 3 bar. (b) repeat for a linear pressure–volume relationship between the same end states. reference

Answers: 1

continue

Physics, 22.06.2019 15:00, sswd

Steelhead trout migrate up stream to spawn. occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b. leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

Answers: 2

continue

Physics, 22.06.2019 18:00, kachinafenton9098

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47

Answers: 2

continue

Physics, 22.06.2019 20:00, teescub9738

In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm

Answers: 1

continue

You know the right answer?

Plase easy physics in two or more complete sentences, explain how to find the time it takes for a...