Physics, 17.04.2020 22:35 itzyoboyCj
A student fires a cannonball diagonally with a speed of 22m/s from a height of 67m as shown. Neglect drag. Determine all unknowns and answer the following questions.
How long did the ball rise?
units- seconds
What was the ball's maximum height above the ground?
units- meters
How long did the ball remain in the air?
units- seconds
How far from the base of the building did the ball land?
units- meters
How fast was the ball moving as it struck the ground?
units- m/s
At what angle (with the horizontal) did the ball land?
Answers: 2
Physics, 22.06.2019 00:00
What should the power status of a circuit be when measuring resistance with an ohmmeter?
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Physics, 22.06.2019 07:00
What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next
Answers: 1
Physics, 22.06.2019 09:40
(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)
Answers: 1
Physics, 22.06.2019 14:30
Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 1
A student fires a cannonball diagonally with a speed of 22m/s from a height of 67m as shown. Neglect...
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