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A blimp is motoring at constant altitude. The airspeed indicator on the blimp shows that its speed relative to the air is 20km/h and the compass shows that the heading of the blimp is 10degrees east of north. If the air is moving over the ground with a velocity of 15km/h due east, what is the velocity (magnitude and direction) of the blimp relative to the ground? For an observer on the ground, what is the angle between teh longitudinal axis of the blimp and the direction of motion?
She pumps the handle up and down, slowly lifting the car. What is the force exerted on the small piston during each downward stroke?
A Doctor order to prepare a glass for a patient with anti-reflection coating for 400 nm and 700 nm wavelength light. Find the minimum thickness of the coating required for this job
A thin rod of length 0.75 m and mass 0.35 kg is suspended freely from one end. It is pulled to one side and then allowed to swing like a pendulum, Find the rod's kinetic energy at its lowest position
A ball is launched from a cannon at the ground level with speed v0=40 m/s at an angle 36.9 degrees above the horizontal. Find the horizontal range
Two wires are separated by 3.0 cm and each is of length 1.5 m. They repel each other with a force of 4.0 N. The current in one wire is 5.0 A. find the current in the other wire
A 6.50%u03BCF capacitor that is initially uncharged is connected in series with a 4700%u03A9 resistor, Just after the circuit is completed, what is the voltage drop across the capacitor
An express train passes through a station. It enters with an initial velocity of 22.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. How fast is it going when the nose leaves the station
A nuclear power reactor generates 2.80 109 W of power. In one year, what is the change in the mass of the nuclear fuel
An object consists of a ball of weight W glued to the end of a uniform bar also of weight W. if you release it from rest, with the bar horizontal.
The surface between a 12kg block , the 16kg wedge and between 16 kg wedge and the horizontal plane are smoothe, What is the force F which must be exerted on the 16 kg block in order that the 12 kg block
If the mass of the electron is 9.109 × 10–31 kg, illustrate what is the magnitude of its relativistic momentum?
A parallel plate capacitor has a capacitance of 6.3 µF when filled with a dielectric. evaluate the dielectric constant of the dielectric
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