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- A 60 kg student rides on a roller coaster that makes a vertical loop. a. Draw a free-body diagram for when the student is at the bottom of the loop. B.if the radius of the loop is 30m,and the roller coaster is traveling at 20 m/s at the bottom of the loop,what is the net force acting on the student in the vertical direction? C.What force does the seat apply to the student when at the bottom of the loop?1. There is no gravity in space because of the lack of air. 2. Neglecting air resistance, all objects (regardless of their mass) accelerate downward on the surface of the Earth at the same rate. 3. The force of gravity on a person on the surface of the Earth is almost the same (within 10% the same) as the force of gravity on a astronaut in orbit 100 km above the surface. 4. An astronaut in orbit around the Earth is weightless because they are always in free-fall. 5. Because the Earth is larger, it pulls harder on the Moon than the Moon pulls on the Earth. Which of the statements are True and which are FalseA. Mass and Weight 1. Find the weight of a 60 kg astronaut on earth a. Find the weight of the same object on a planet where the gravitational attraction has been reduced to 1/10 of the earth's pull. 2. A backpack weighs 8.2 newtons and has a mass of 5 kg on the moon. What is the strength of gravity on the moon? (Be careful with units, remember 1N= 1 kg * m/s_ 3. A physical science test book has a mass of 2.2 kg a. What is the weight on the Earth? b. What is the weight on Mars (g = 3.7 m/s) c. If the textbook weights 19.6 newtons on Venus, What is the strength of gravity on Venus? 4. Of all the planets in our solar system, Jupiter has the greatest gravitational strength. a. If a 0.5 kg pair of running shoes would weigh 11.55 newtons on Jupiter, what is the strength of gravity there? b. If he same pair of shoes weighs 0.3 newtons on Pluto, what is the strength of gravity on Pluto? c. What does the pair of shoes weigh on earth? B. Second Law of Motion 1. An object with a mass of 2.0 kg…
- 1. An object of mass 45 kg is drawn upward an inclined plane by a force of 600N. The coefficient of friction between the object and the plane is 0.56. angle of inclination of the plane is 30o to the horizontal a). what is the acceleration of the object? b). if at the top of the plane, the object slide down freely on the plane under its own weight, with i. what acceleration and ii. velocity does it strike the ground? c) what would be the acceleration if the plane was frictionless?A 60.0 kg teacher (including the parachute) is skydiving! As the parachute opens, the system experiences a 1300N drag. How many forces are acting on the system? What is the magnitude of the net force on the system? What is the magnitude of the system's acceleration? Describe the system's speed.Pls answer as soon as you can
- In the image is a stopper attached to a fishing line that is threaded theough a glass rod. Hanging from the end of the line opposite the stopper is a 100-gram mass. The stopper is being whirled in a horizontal circle, first quickly, then decreasing to a slower speed. a. True or false: the only outward forces are the force of the stopper pulling on the string, and the string pulling on the glass rod. b. Does there appear to be a relationship between the speed and the force needed to keep the stopper moving in a circular path? If so, what kind of relationship do you expect? As the speed increases, does the force needed increase or decrease? Is this some type of direct relationship or an inverse relationship? c. Does there appear to be a relationship between the radius of the circulat motion and the force needed to keep the stopper moving in a circular path? If so, what kind of relationship do you expect? As the radius increases, does the force needed incrase or decrease? Is this some…A 60 kg student rides on a roller coaster that makes a vertical loop. a). Draw a free-body diagram for when the student is at the bottom of the loop. b). If the radius of the loop is 30 m, and the roller coaster is traveling at 20 m/s at the bottom of the loop, what is the net force acting on the student in the vertical direction? c). What force does the seat apply to the student when at the bottom of the loop?