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For an object of mass the energy required to escape the Earth's gravitational field is GMm / r, a function of the object's mass (where r is the radius of the Earth, G is the gravitational constant, and M is the mass of the Earth, M =5.9736Ã10 24 kg).or a mass equal to a Saturn V rocket, the escape velocity relative to the launch pad is 253.5 am/s (8 nanometers per year) faster than the escape velocity relative to the mutual center of mass.
Assume a 40.0 m/s launch speed. a. 30 degrees b. 40 degrees c. 45 degrees d. 60 degrees 5. A student observes the following correlation: the time a projectile is in the air (t total) increases as the original horizontal speed decreases (v ox) and as the original vertical speed (v oy) increases.o the best answer is the launch angle of 85Â°. 3. Answer: B Explanation: A careful inspection of either Figure 1 or Table 1 reveals that the range of a projectile has an identical value for more than one launch angle. For instance, the range is the same for a 15Â° and a 75Â° angle.