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In an x-ray tube, electrons are accelerated in a uniform electric field and then strike a metal target. Suppose an electron starting from rest is accelerated in a uniform electric field directed horizontally and having a magnitude of 2500 N/C. The electric field covers a region of space 10.5 cm wide. What is the speed of the electron when it strikes the target? How far does it fall under the influence of gravity during its flight?
A fuel leak is discovered at this point, and crew calculates that the plane can safely fly no more than 170 km before an emergency landing should be attempted. The only appropriate location for an emergency landing is 100 km north of their current po..
Find out the magnitude of the wind velocity. Find the direction of the wind velocity.If the wind velocity is 39 due south, in what direction should the pilot set her course to travel due west? Use the same airspeed of 213 .
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision.
An archer puts a 0.26 kg arrow to the bowstring. An average force of 213 N is exerted to draw the string back 1.3 m. unless otherwise directed, suppose that air resistance is negligible. Illustrate energy bar graphs to solve the problem.
Determine its average velocity for this trip. conclude the car's displacement.
A student of weight 665 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force N on the student from seat is 566 N.
Find the resultant forces and moments at wrist, biceps muscle force, elbow and shoulder and joint reaction force using 2-D static analysis.
A skateboarder shoots off a ramp with a velocity of 6.80m/s, directed at an angle of 59° above the horizontal. The end of the ramp is 1.10 m above the ground.
What average force athletes legs apply on a ground
The loaded cab of an elevator has a mass of 3.0 x10^3 kg and moves 236 m up the shaft in 23s at constant speed. At what average speed does the force from the cable do work on the cab?
A 200 g block is pressed against a spring of force constant 1.40 kN/m until the block compresses the spring 10 cm. The spring rests at the bottom of a ramp inclined at 60.0 degrees to the horizontal.
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
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