__________ are emitted when high speed electrons decelerate as they are smashed into a metal target
Fill in the blank(s) with correct word
X rays
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A toy elevator is raised from the ground floor to the second floor in 20 seconds. The power needed using 1000 J of work, is
A) 20 W. B) 50 W. C) 100 W. D) 1000 W. E) 20,000 W.
A physics student is riding on a train traveling north. Having read about inertia, the student performs an experiment with a golf ball. He reaches over the aisle and drops the ball from rest. Instead of hitting the floor directly below the student's hand, it hits to the north, i.e., forward of that position. Which of the following might be the cause for this to happen?
a. The train is moving at constant velocity. b. The train is speeding up. c. The train is slowing down. d. Whatever the cause, it cannot be any of the answers given.
The person who developed the exclusion principle was __________
Fill in the blank(s) with correct word
What is the difference between a silicate mineral and a nonsilicate mineral?
What will be an ideal response?