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The air speed indicator of a plane that took off from Detroit reads 343 km/h and the compass indicates that it is heading due east to Boston. A steady wind is blowing due north at 38.3 km/h.
a) Calculate the speed of the plane with reference to the ground.
b) If the pilot wishes to fly directly to Boston (due east) what must the compass read? (0 = North, 90 = East, ...)
You have a 1.91-m-long stretched string with a mass of 19.3 g. When you oscillate the string at 440 Hz, obtain the tension in the string
Assume that the earth is a uniform density spherical mass. (This assumption is not correct but we will use it for simplicity in working the problem.)
2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path,
1.you are holding a 6-kg dumbbell straight out at arms length. assuming your arm is 0.70 m long what torque is the
A Tritium (3 1 H) nucleus with kinetic energy of 4.70 MeV is incident on a stationary target of phosphorus (30 15 P); Find the nuclear binding energy of the nucleus 32 16 S
To determine the specific heat of an object, a student heats it to 100 degrees C in boiling water. If the final temperature is 23.8 degrees, what is the specific heat of the object
A car with a mass of 1.50x10^3 kg starts from rest and accelerates to a speed of 18.0 m/s in 12s. Assume that the force of resistance remains constant at 400-N all through this time. What is the average power developed by the car's engine?
The electron in a hydrogen atom is infinitely distant at zero potential energy, What is the nearest principal quantum number in this state
A green LED has a forward voltage drop of 2.3 V. Estimate the bandgap energy for the semiconductor that makes the green LED
A solid, horizontal cylinder of mass 11.0 kg and radius 1.30 m rotates with an angular speed of 8.00 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
A professor drives off with his car (mass 900 kg), but forgot to take his coffee mug (mass 0.33 kg) off the roof. What is the maximum acceleration of the car
At what angle should the road bank on the curve so that no frictional force is required by a vehicle travelling around the curve at the speed limit.
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