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To protect their young in the nest, peregrine falcons will fly into birds of prey (such as ravens) at high speed. Assume that a 600g falcon flying at 20.0 m/s hit a 1.50 kg falcon flying at 9.0 m/s. The falcon hit the raven at right angles to its original path and bounced back at 5.0 m/s.
(a) By what angle did the falcon change the raven's direction of motion?
(b) What was the raven's speed right after the collision?
A 75-kg window air conditioner falls a distance of 6 m to the street below (no one is injured). What was the PE of the air conditioner
A weather vane at first at rest has a moment of inertia of 0.111 kg • m2 about its axis of rotation. A 53.0 g piece of clay is thrown at the vane and sticks to it at a point 19.5 cm from the axis. The initial velocity of the clay is 20.0 m/s, directe..
A tee consisting of two thin rods each having a mass of M and with lengths L1 and L2, Find the rotational velocity of the tee-clay ball combination just after the collision
A 50kg mass is tied to a massless rope wrapped around a solid cylindrical drum, mounted on a frictionless horizontal axle. Find the drum's mass
The resolution of the eye is ultimately limited by pupil diameter. What is the smallest diameter spot an eye can produce on the retina if pupil diameter is 4.45? Assume light with a wavelength of = 600 .
A 78.3?kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 10.3m and a period of 4.75s. find the spring constant of the bungee cord
a right- moving EM wave overlaps with a left-moving wave so in a certain region of space the total electric field in the y-direction, Determine the Poynting Vector
A neutron having mass of 1.67 X 10^-27 kg and moving at 10^8 m/s collides with a deutron at rest and sticks to it. Given that the mass of neutron is 3.34 X 10^-27 kg.
Show that the Earth's orbit will be a parabola (and so the Earth will escape to infinity) and If the Sun's mass suddenly doubles, what will be the Earth's orbital period?
A 972 kg car is going 20 m/s and the driver has to slam on his brakes to prevent an accident. what is the change in temperature of the brake pads and rotors
Two very small spheres, each with a mass m = 1.5 g, are suspended from a common axis by insulating threads of length L= 6.0 cm, What is the magnitude of the unknown charge q
A 5.0-m-wide swimming pool is filled to the top. The bottom of the pool becomes completely shaded in the afternoon, How deep is the pool
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