016 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, frictionless...
016 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, frictionless pulley with a radius of 9.5 cm. It has a(n) 18 kg mass on the left and a(n) 2.3 kg mass on the right, both hanging freely Initially their center of masses are a vertical distance 4 m apart. The acceleration of gravity is 9.8 m/s2 9.5 cm 18 kg 4 m 2.3 kg At what rate are the two masses accelerat- ing when...
016 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, frictionless pulley with a radius of 9.5 cm. It has a(n) 18 kg mass on the left and a(n) 2.3 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 4 m apart. The acceleration of gravity is 9.8 m/s2 9.5 cm 18 kg 4 m 2.3 kg At what rate are the two masses accelerat- ing when...
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 019 (part 2 of 2) 10.0 points If the same elevator accelerates downwards with an acceleration of 1.2 m/s, what is the upward force exerted by the elevator floor on the passenger? Answer in units of
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s The acceleration of gravity is 9.8 m/s What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 019 (part 2 of 2) 10.0 point:s If the same elevator accelerates downwards with an acceleration of 1.2 m/s2, what is the upward force exerted by the elevator floor on the passenger? Answer in units of N
008 10.0 points An elevator starts from rest with a constant upward acceleration and moves 1 m in the first 1.8 s. A passenger in the elevator is holding a 4.6 kg bundle at the end of a vertical cord. What is the tension in the cord as the ele- vator accelerates? The acceleration of gravity is 9.8 m/s. Answer in units of N.
Two objects are connected by a light string passing over a light frictionless pulley. The 6.57 kg object is released from rest at a point 5.42 m above the floor. The acceleration of gravity is 9.8 m/s2 . Find the speed of each object just as they pass each other. Answer in units of m/s. 005 (part 2 of 3) 10.0 points b) What is the speed of the each object at the instant before the 6.57 kg hits the...
012 10.0 points A person weighing 0.7 kN rides in an elevator that has a downward acceleration of 2.5 m/s2. The acceleration of gravity is 9.8 m/s2 What is the magnitude of the force of the 它自 35 PM ort sc delete homen ro 6 + backspace ock 8 4 pause elevator floor on the person? Answer in units of kN 013 (part 1 of 2) 0.0 points A 4.1 kg object is suspended by a string from the ceiling...
016 (part 1 of 2) 10.0 points A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed shown in the figure below. The crate is pulled a distance of 9.28 m on the incline by a 150 N force. The acceleration of gravity is 9.8 m/s2 1.62 m/s 150 N 11 kg % . H 0.346 : 20° a) What is the change in kinetic energy of the crate?...
001 (part 1 of 2) 10.0 points On planet X, an object weighs 15.8 N. On planet B where the magnitude of the free-fall acceleration is 1.14 g (where g 9.8 m/s is the gravitational acceleration on Earth), the object weighs 30.9 N The acceleration of gravity is 9.8 m/s2 What is the mass of the object be on Earth? Answer in units of kg. 002 (part 2 of 2) 10.0 points What is the free-fall acceleration on planet X?...
ent 38228286 a e WITHDRAWN 027 (part 1 of 2) 10.0 points A ball thrown vertically upward is caught by the thrower after 1.93 s. Find the initial velocity of the ball. The acceleration of gravity is 9.8 m/s2 Answer in units of m/s. 028 (part 2 of 2) 10.0 points Find the maximum height it reaches. Answer in units of m. 029 10.0 points A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for...