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A plane is heading south at a speed of 500 km/h. There is a wind of a speed of 70 km/hr (average) heading southwest. Obtain the velocity (magnitude and direction) of the plane relative to the ground, and determine how far from its intended position will it be after 30 minute if the pilot takes no corrective action.
A car is safely negotiating an unbanked circular turn at a speed of 29 m/s. The road is dry, and the maximum static frictional force acts on the tires, what speed must the driver slow the car
Define a spectrum and discuss how spectra are used in astronomy. Explain how emission and absorption lines are produced and discuss the information they convey. Describe how the spectrum of an object emitting thermal radiation can be used to find the..
A 1.50 kg block rests on the icy surface of a frozen pond, which you can assume to be frictionless. If the location of the block is measured to a precision of 0.70 cm, what is the minimum uncertainty in the block's speed, assuming the mass is known e..
Sound is coming through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window in one hour
A telescope mirror has a radius of curvature of 18.0 m. It is used to take a picture of the Moon, What is the diameter of the image of the Moon produced by this mirror
q1. a combined cycle gas turbine power plant can run at 50 percent efficiency. assume such a plant delivers 1 gw of
When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.11 m. If the mass of the baseball is 0.21 kg, find out the speed of the pitch. Please provide step by step ..
A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil, the magnetic field is 7.00 10-4 T?
Assume that a 16 volt energy source is in a circuit that has a resistance of 10 ohms. Determine the current and power
Tim walks half of the time and runs the other half. In terms of given quantities, in the special case that, what will be Tim's margin of victory.
A gass has 100 J of energy in the form of heat is transfered to a system and the system does 150 J of work, what is the change in the internal energy of the system
Assuming that average separation between two protons in 12C is equal to the nuclear diameter, compute the coulomb force of repulsion and gravitational force of attraction between the protons. If the nuclear potential seen by the protons is 50 MeV for..
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