Q: what
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Q: #17. Thanks.
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- Newton’s law of universal gravitation states that every object exerts a gravitational force on every other object in the universe. (a) Estimate magnitude of the gravitational force that the person sitting next to you in class exerts on your body, in units of Newtons. (b) Given your previous answer, what is the gravitational force that you exert on the person sitting next to you? (c) Compare your previous answers to your weight (the force of gravity the Earth exerts on you).Answer the following questions: a. Daryl is given a mission to travel to the moon. He arrived at the moon and measured his weight to be 85N. If his mass is 72.5 kg, what is the gravitational acceleration to the moon? b. The gravitational pull of an object in the moon is 1/8 of that on earth. If Daryl's mass is 72.5 kg, what is his weight on the moon?The tallest spot on Earth is Mt. Everest, which is 8850 m above sea level. If the radius of Earth to sea level is 6369 km, how much does the gravitational field strength change between the sea level value at that location (9.826 N/kg) and the top of Mt. Everest? 9.798 O N/kg
- a) An object weights 4000 N on planet Alpha. Planet Alpha has 8 times the mass of planet Beta and 4 times the radius of planet Beta. What will the object weight on planet Beta? b) A 60 kg person is sitting on a bathroom scale while riding on a Ferris Wheel. The Ferris Wheel has a radius of 9 m and the person's speed is 3 m/s. Find the scale reading when the person is at the bottom of the motion.Hello! I’m on this worksheet that’s talking about Newton’s Second Law. Can someone please help me understand this question and what it is asking me to do in order for me to solve it?Describe a situation in which gravitational force is the dominant force. Why can the other three basic forces be ignored in the situation you described?
- The amusement park ride shown above takes riders straight up a tall tower and then releases an apparatus holding seats. This apparatus free-falls back to Earth and is stopped safely right above the ground. Which of the following indicates the magnitude of the gravitational force exerted on a rider of mass m on the way up and on the way down?Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 6.2-kg projectile from rest to a speed of 3.1 × 103 m/s. The net force accelerating the projectile is 4.8 × 105 N. How much time is required for the projectile to come up to speed?Type your answer here Units Choose your answer hereTwo forces act on a 2.90 kg object, the gravitational force and a second, constant force. The object starts from rest and in 1.20 s is displaced (4.10 3.30ĵ) m. Write the second force in unit vector notation. (Enter your answer in kg. m/s². Assume the gravitational force acts in the -ĵ direction.) kg. m/s² F
- Print the References and Equations Sheet and use it to complete this question. You also may use a calculator. A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N acting on it. What is its acceleration at that time? o - 12.6 m/s O -9.8 m/s o -7.0 m/s • -2.8 m/s 21 22 23 24 25 26 27 20 29 30 Next 203dcd7827cc5b4_56c0425f-37a7-4fd5-aae2-b91522206c9a/conceptld/SC1404AX_Summit_Honors_Physics 06_14_UT_CG/concept Chp fgA student with a mass of 68 kg gets on a ferris wheel that rotates at a constant speed. When the ferris wheel reaches its top point, the reaction force applied by the seat to the student is 556 N. What is the reaction force the seat exerts on the student when the ferris wheel reaches its lowest point? (g = 9.8 m / s²)Concern the planet Mars, which has a radius of 3400 km. On Mars, the acceleration due to gravity is 3.72 m/s^2 The mass of the sun is 2.0×1030 kg, while the (actual) mass of Mars is 6.4×1023 kg. The average distance from Mars to the sun is 228 million kilometers. a. What is the gravitational force acting on Mars due to the sun? What is the reaction force to this force? Name or explain the force; don’t give a value. b. What are the speed and angular velocity of Mars? Compare the values to those of Earth. c. Using only information provided above, estimate the length of a year on Mars. Compare the value to that of Earth.