A ball thrown vertically upward reaches a maximum height of 30. meters above the surface of Earth. At its maximum height, the sp eed of the ball is _________.
1 answer:
Answer:
a. 0.0 m/s
Explanation:
According to the law of conservation of energy, the maximum potential energy of the body is equal to the minimum kinetic energy:
P+K=const; Pmax=mgH Kmin=mv^2/2=0 (because v=0)
You might be interested in
Answer:
34.5 m
Explanation:
Given data : An elephant produces 10 Hz sound wave. Assuming the speed of sound in air is 345 m/s. To find : What is the wavelength of sound ? Answer : The wavelength of the sound is 34.5 m.
Answer:
Which of the following was not a reaction to John Brown's execution because of his failed raid on Harper's Ferry ???????
Explanation:
Look up pulleys problem through Khan academy and a video should pop up with a problem similar and you should be able to walk through it .
U did it the way i asked. nice lol. its plasma btw
