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a circus clown weighing 170 lbs. is fired from a cannon at 50 degrees above the horizontal. The clown lands in a circular net that has a radius of 15 ft. and located 9.1 ft. above the ground. The closest edge of the net is 114 ft. from the cannon. It takes 3.00 seconds for the clown to travel through the air and land in the exact center of the net. What was the initial velocity of the clown in ft/s?
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
A weather vane initially at rest has a moment of inertia of 0.110 kg · m2 about its axis of rotation. Find the angular velocity of the weather vane just after it is struck
q1. a student holding two weights close to his chest is sitting on a frictionless chair the student and chair are
What is the value? in this situation, the interference pattern yet appears showing that each individual electron can interfere with itself.
q1. an archer puts a 0.54 kg arrow to the bowstring. an average force of 202 n is exerted to draw the string back 1.3
In a material having an index of refraction n , a light ray has frequency f, wavelength ?, and speed v. What is the frequency of this light in vacuum and in a material having refractive index n1
a charge q1 q is positioned on the x axis at x a. where should a charge q2 9q be placed to produce a net electric
The tires of a car make 62 revolutions as the car reduces its speed uniformly from 90km/h to 40km/h . The tires have a diameter of 0.86m. What was the angular acceleration of the tires
A 360 kg piano slides 3.1 m down a 25 degree incline and is kept from accelerating by A man who is pushing back on it parallel to the incline, Determine the work done on the piano by the man
A rifle is aimed horizontally at a target 47.0 away. The bullet hits the target 1.80 below the aim point. Evaluate the bullet's flight time? What was the bullet's speed as it left the barrel?
A mass m equals 4 kg on a slanted surface theta equals 30 degrees. A light rigid cord runs from mass m to pully beta equals 1/2, calculate the magnitude of the systems acceleration
A solid disk rotates in the horizontal plane at an angular velocity of 0.077 rad/s with respect to an axis perpendicular to the disk at its center. what is the angular velocity of the disk
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