9.8 What are the directions of the centrifugal and Coriolis forces on a person moving (a) south near the North Pole, (b) east on the equator, and (c) south across the equator?
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- Calculate the effective gravitational field vector g at Earths surface at the poles and the equator. Take account of the difference in the equatorial (6378 km) and polar (6357 km) radius as well as the centrifugal force. How well does the result agree with the difference calculated with the result g = 9.780356[1 + 0.0052885 sin 2 0.0000059 sin2(2)]m/s2 where is the latitude?In the figure, three 9.74 kg spheres are located at distances d₁ = 0.953 m, and d₂ = 0.215 m. What are the (a) magnitude and (b) direction (relative to the positive direction of the x axis) of the net gravitational force on sphere B due to spheres A and C? (a) Number i (b) Number i dr B Units Units î ✪A BMX biker wanted to impress his family by catching some air( aka leaving the ground) while riding over a hill in Tennesse with a radius of curvature of 7.6m. If the BMX biker rides over the hill at 11.2 m/s, will she catch some air and excitee her family? B) What is the minimum speed the biker has to travel in order to leave the ground when cresting the hill?
- An automobile of mass 1300 kg is driving north near Cape Town, South Africa (latitude 34° S) at a speed 85 km/h. Find the centrifugal and Coriolis forces on the automobile.At the northern tropic which you may take to be at 19 degrees north, air rises directly upwards from the surface of the Earth due to thermal forces at a speed of 45 m/s. What is the magnitude of the Coriolis and Centrifugal acceleration felt by the rising air due to the rotation of the Earth?The tallest spot on Earth is Mt. Everest, which is 8850 m above sea level. If the radius of Earth to sea level is 6359 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?
- Earth’s gravitational field strength at the surface is 9.80 N/kg. Determine the distance, as a multiple of Earth’sradius, rE, above Earth’s surface at which the magnitude of the acceleration due to gravity is 3.20 N/kg.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/kgThree point particles, with masses 4.00 kg, 3.00 kg and 6.00 kg are located along a straight line at 2.00 m, 4.00 m and -6.00 m, respectively, in a uniform gravitational field. What is the location of center of gravity of this system? m.
- What is the magnitude if gravitational force each exerts on the other if the distance between a 40kg person and a 30kg persob is 2m?Three masses are located in the corners of eqilateral triangle. Find the magnitude and direction of the gravitational field at the center of the triangle. Given: m1=22kg, m2=30kg, m3=30 kg, r=12cm. G=6.674×10-11 N.m2/kg2.In the figure, three 8.28 kg spheres are located at distances d1 = 0.415 m, and d2 = 0.414 m. What are the (a) magnitude and (b) direction (relative to the positive direction of the x axis) of the net gravitational force on sphere B due to spheres A and C? di В (a) Number i Units (b) Number Units