Cardiovascular exercise can

Which of the following is a "pull" factor? a. political freedom c. racial discrimination b. political persecution d. overpopulation

If my final exam is worth 30% and my class average is 80, what do I need to get to pass the exam?

The total mechanical energy of a system: A) can never be negative. B) is constant, if only conservative forces act. C) is either all kinetic energy or all potential energy, at any one instant.

What is the energy of work done lifting 2kg mass rocket to a height of 130 m

A pair of narrow parallel slits are separated by a distance of 0.250 mm and illuminated by a green light with wavelength 5.461 x 10-4mm.

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3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.