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A flight controller determines that an airplane is 30.0mi south of him. Half an hour later, the same plane is 30.0mi north west of him
a) If the plane is flying with constant velocity, what is the direction of its velocity during this time? answer will be in degrees north of west
b) What is the magnitude of its velocity during this time?
A jogger accelerates from rest to 5.87 m/s in 3.53 s. A car accelerates from 21.3 to 34.7 m/s also in 3.53 s. (a) Find the magnitude of the acceleration of the jogger. (b) Find out the magnitude of the acceleration of the car. (c) How much further..
How far from the dog will the suitcase land. A car accelerates uniformly (a = constant) from 34 meters/second up to 84 meters/second in 3.7 seconds. What is the acceleration of car in meters/second2.
A simple harmonic oscillator takes 10s to undergo five complete vibrations.
A 20.0- projectile is fired at an angle of 60.0 above horizontal with a speed of 80. At the highest point of its trajectory, projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial speed. You can ign..
Pretend a person can walk only at a certain pace no faster, no slower. If you time her uninterrupted walk across a room of known length, you can compute her walking speed.
find the volume of the irregularly shaped object. What is sigma_inner, the surface charge density (charge per unit area) on the inner surface of the conducting shell.
The brick wall of a building has dimensions of by and is thick. How much heat ?ows through the wall a period when the average inside and outside temperatures are, in that order.
A) Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat of the metal? B) Which is more useful for storing heat, this metal or an equal weight of water? defin..
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time.
A crate with mass 36.0 initially at rest on a warehouse floor is acted on by a net horizontal force of 142. Explain how far does it travel in 12s and what is its speed at that time?
The two liquids do not mix. What is the difference in height between the top surface of glycerine and top surface of the alcohol.
What is Johns resultant displacement
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