A 1500 kg car traveling at 17 m/s suddenly runs out of gas while approaching the valley shown in the figure(Figure 1). The alert driver immediately puts the car in neutral so that it will roll.
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- A kids rocket team launches one smaller rocket through a guide tube 1.7 m long. The rocket has a mass of 450 g and the exhaust pressure in the tube provides a constant net force of 265 N. I already answered part (a) I just need help with part (b) A. How fast will the rocket be moving when it exits the tube? 44.5 m/s answer The kids rocket team now launches the rocket from a baseball outfield so in lands ontop of a new parking structure, 15 m above launch point and 32 m (horizontally) from the launch point. Unfortunately, tilting the launch tube greatly increases the friction, slowing the rocket. B. What is the minimum launch speed (neglecting air resistance) so that the rocket will just barely make it to the edge of the roof?Problem 4 134. Astronomy About 65 million years ago an aster- oid struck Earth in the area of the Yucatan Peninsula and wiped out the dinosaurs and many other life forms. Judging from the size of the crater and the effects on Earth, the asteroid was about 10 km in diameter (assumed spherical) and probably had a density of 2.0 g/cm³ (typi- cal of asteroids). Its speed was at least 11 km/s. (a) What is the maximum amount of ocean water (originally at 20 °C) that it could have evaporated? Express your answer in kilograms and treat the ocean as though it were fresh- water. (b) If the water were formed into a cube, how high would it be? (See Tables 14-3 and 14-4 as needed.)A person is sitting at the very back of a canoe of length L, when the front just bumps into the dock. 1. If the canoeist gets up and walks to the front of the canoe and there is no friction between the boat and the water, how far will they be from the dock? Express your answer in terms of the length of the canoe, the mass of the person mp, and the mass of the canoe mc 2. What will this distance be, in meters, if the length of the canoe is 3.1 m, the person's mass is 53 kg, and the canoe's mass is 79 kg?
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