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A) a kereru new zealand wood pigeon travelling at 1.5 m/s due west has an elastic collision with an airbus a380 aeroplane. fortunately for the kereru the a380 was only travelling at 0.1 m/s in the easterly direction at the tim. with what speed is the kereru travelling after the collision?
B) the kereru having proven itself somewhat careless has a totally inelastic collision with a cat. if just before the collision the 0.65 kg kereru was travelling 2.0 m/s north and the 3.0 kg cat was traveling 5.5 m/s south what is the velocity of the ball of fur and feathers just after the collision?
A diesel engine works at a high compression ratio to compress air until it reaches a temperature high enough to ignite the diesel fuel. find the temperature of the compressed air
A light ray in air is incident on a transparent material whose index of refraction is n, Evaluate your expression for light incident on glass
Two pendulums are allowed to rotate frictionlessly and without air resistance around the same point of rotation, Where do the masses collide
You throw a ball vertically upward from the edge of the roof of the Bisdorf building with a speed 15.0 m/s. Find the position and velocity of the ball 1.00 s after leaving your hand
An elevator is able to raise 9,800 N to a height of 22 m in 14 s. How much work does the elevator do
what is the shortest height a plane mirror must be so that a person 1.60 meters tall is able to see his or her whole body.
we can assume that the arm moves with constant speed during each swing. Illustrate what is the acceleration of a 1.3g drop of blood in the fingertips at the bottom of the swing?
A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. By how much does the ball clear or fall short (vertically) of clearing the crossbar
Suppose manufactures increase in size of compact disks. By what factor will the moment of inertia increase
Two Resistors of R1 = 3.23 ohm and R2 = 5.95 ohm are connecred in series to a battery whith an EMF of 24.0 v, Find the current I1 through the first resister
The x-position of a particle is given by the expression x(t)=(4.0 m)cos(4.0?t+ 5.0?) , where x is in meters and t is in seconds. What is the maximum velocity of the particle
When the door is open and at rest, the door closer exerts a torque of 5.40 NxM. What is the least force that you need to be relevant to the door to hold it open.
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