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Question: The most massive flying dinosaur was the pterosaur. The average mass for a pterosaur has been estimated from skeletons to be between 80.0 kg and 120.0 kg. The wingspan of a pterosaur was greater than 10.0 m. Suppose two pterosaurs with masses of 80.0 kg and 120.0 kg sit on the middle and the far end, respectively, of a light horizontal tree branch. The pterosaurs exert a net counterclockwise torque of 9.4 kN•m about the end of the branch that is attached to the tree.
Question 1: What is the length of the branch?
Please show all work and steps and equations to determine the length of the branch.
Two loudspeakers in a 20'C room emit 690 Hertz sound waves along the x -axis. Determine the smallest distance between the speakers
An aircraft weighing 902 N is accelerated at 10.8 m/s/s for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
The period of a pendulum is measured to be 3.00sin the non-moving frame of the pendulum. What is the periodas measured by an observer
A steel wire of length 1.7 m anddiameter 1.10 mm is joined to analuminum wire of identical dimensions to make a composite wire oflength 3.4 m. Find the resulting change in length of this composite wire
A juggler performs in a room whose ceiling is 9 feet above the level of his hands he throws a ball vertically upward therefore that it just reaches the ceiling, Compute with what initial velocity does he throw the ball
A 54.1-kg ice skater is standing at rest on a frozen lake. The friction between his skates and the surface of the ice is negligible. what is the magnitude of his recoil velocity
Two conductors are made of the same material and have the samelength. Conductor A is a solid wire of diameter 1.4 mm.Conductor B is a hollow tube of outside diameter 7.7 mm and inside diameter 6.7 mm. What is the resistance ratio RA/RB ,measured be..
Compute coefficient of kinetic friction
A particular engine has a power output of 6.00 kW and an efficiency of 22.0%. Assume the engine expels 6500 J of energy in each cycle. Find the time required to complete each cycle
A torque of 12 N ? m is applied to a solid, uniform disk of radius 0.50 m. If the disk accelerates at 5.7 rad/s2, what is the mass of the disk
An object of mass 5.41 kg is released from rest and drops 2.05 m to the floor. The collision is completely inelastic. How much kinetic energy is lost during the collision
A 55-kg mass ice skater standing stationary on very slipper ice (negligible friction) throws a 0.45 kg baseball with a speed of 27 m/s in the horizonatal direction
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