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Question: A plane flies north at 75m/s with respect to the air. The wind blows southeast (45) at 30 m/s.
Part A: What is the resultant vector for the velocity of the plane with respect to the ground?
I need help to find the resultant vector for the velocity of the plane.
You are 1.5 m tall and you are standing 2.0 m away from a flat mirror. The Top of the mirror is at the same level as the top of your head. How large is the mirror
An object with a mass of m = 4.6 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.265 m, determine the velocity when it hits the floor
In a certain binary-star system, each star has the same mass whichis 1.6 times of that of the Sun, and they revolve about theircenter of mass. What is their period of revolution in years
A certain nuclear power plant has an electrical power output of 430 MW. The rate at which energy must be supplied to the plant is 1,510 MW. What is the thermal efficiency of the power plant
a 112-cm-long rod is rotating around its center. its mass is 291 g and its angular velocity is 30 rads. suddenly for no
A spaceship and an asteroid are moving in the same direction away from Earth with speeds of 0.76c, What is the relative speed between the spaceship and the asteroid
a rocket is projected upward from the earths surface rre with an initial speed v0 that carries it to a distance r1.5
The coefficient of static friction between the wall and the rod is μs = 0.575. Determine the minimum distance x from point A at which an additional weight w (the same as the weight of the rod) can be hung without causing the rod to slip at point A.
One terminal of a car battery is said to be connected to "ground" since it is not really connected to the ground. What is meant by this experssion
1 what are interference and diffraction? under what circumstances do they occur?2 light from a helium-neon laser is
If it takes him 0.200 s to get brakes on and he is 20, from the intersection when he sees the light, will he be able to stop in time.
An He+ ion has one electron , just as a hydrogen atom does , but has two protons in its nucleus instead of just one .Find a formula for the wavelength lambda of an emission line for this ion in terms of the magnitude of the hydrogen ground-state ene..
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