Physics, 01.04.2020 17:54, lillypierre8796
A 0.14-kg baseball is moving at 41 m/s. A 0.058-kg tennis ball is moving at 67 m/s. Which of the two balls has higher kinetic energy?
A. The tennis ball has more kinetic energy.
B. The baseball has more kinetic energy.
C. They have the same kinetic energy.
D. It is impossible to say because their KE changes during time.
Answers: 2
Physics, 21.06.2019 13:40, hannahgracew12
The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions
Answers: 2
Physics, 22.06.2019 14:30, Scourge927
Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)
Answers: 2
A 0.14-kg baseball is moving at 41 m/s. A 0.058-kg tennis ball is moving at 67 m/s. Which of the two...
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