Hanna tosses a ball straight up with enough speed to remain in the air for several seconds? a. what is the velocity of the ball when it reaches its highest point? b. what is the velocity 1 s before it reaches its highest point? c. what is the change in its velocity during this 1-s interval? d. what is its velocity 1 s after it reaches its highest point? e. what is the change in velocity during this 1-s interval? f. what is the change in velocity during the 2-s interval(caution velocity not speed)? g. what is the acceleration of the ball during any of these time intervals and at the moment the ball has zero velocity
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Physics, 21.06.2019 23:20
Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.
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Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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Physics, 22.06.2019 11:00
Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.
Answers: 3
Physics, 22.06.2019 14:30
Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
Answers: 3
Hanna tosses a ball straight up with enough speed to remain in the air for several seconds? a. wha...
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