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An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath the point of release, to where the package hits the earth. (b) Relative to the ground, determine the angle of the velocity vector of the package just before impact.
Two lightbulbs operate on the same potential difference. What is the ratio of the current in bulb A to the current in bulb B
A cyclotron (see figure below) designed to accelerate protons has an outer radius of 0.348 m. Find the speed at which protons exit the cyclotron
A child is walking along the sidewalk at a constant speed of 1 m/s while pulling his dog sitting in a wagon. what is the frictional force exerted by the wagon on the dog
A chimp jumps up from a trampoline and lands on the ground, 1.2 meters below. the total time taken was .095 secons. what is the maximum height above the ground
In a historical movie, two knights on horseback start offvat rest 85m then start riding towards each other. How far from sir Georges starting point will the knights collide
A weight of 200 N is hung from a spring with a spring constant of 2500 N/m and lowered slowly. How much will the spring stretch
A 12 kg block ( M) is released from rest on a frictionless incline that makes an angle of 28 degrees. How far does the block move down the incline from its rest position to the stopping point
q1. two 53 rm g blocks are held 30 rm cm above a table. one of them is just touching a 50-long spring. the blocks are
A transverse wave on a string is described by the wave function y = A0sin(kx + ωt) where A0 = 0.425m, k = 0.895rad/m, Calculate the transverse speed of the element
A 170 object is taken to a height of 360 above the Earth's surface. What is the object's weight at this height
A sound wave is travelling trough a fresh water pool with a speed of 1482 m/s. what is the pressure amplitude of the wave
student is running at her top speed of 5.2m/s to catch a bus, which is stopped at the bus stop. For what distance does she have to run in that case
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