ehman Collec X The Division o Lehman Collec X Lehman Collec X Office of the R x A session.masteringphysics.com/myct/itemView?assignmentProblemID=135511211&offset=next Apps (1) N PQ. YouTube to MP3 Co.. phone cover for mo... AGARWAL-PHY-166 W5 m 11 Part A By how much does the gravitational potential energy of a 59-kg pole vaulter change if her center of mass rises about 4.0 m during the jump? Express your answer to two significant figures and include the appropriate units. HA APEC- Value Units Submit Request Answer rovide Feedback

ehman Collec X The Division o Lehman Collec X Lehman Collec X Office of the R x A session.masteringphysics.com/myct/itemView?assignmentProblemID=135511211&offset=next Apps (1) N PQ. YouTube to MP3 Co.. phone cover for mo... AGARWAL-PHY-166 W5 m 11 Part A By how much does the gravitational potential energy of a 59-kg pole vaulter change if her center of mass rises about 4.0 m during the jump? Express your answer to two significant figures and include the appropriate units. HA APEC- Value Units Submit Request Answer rovide Feedback

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. An object has 560 J of potential energy and 890 J of mechanical energy. How much kinetic energy does the object have?. ME = REHPE 560 560 330J= PE olog ertev 3. A slingshot rubber band with a spring constant of 850 N/m was stretched 0.33 m. A 0.4 kg rock was fired from the slingshot after it was released. a. Find the spring potential energy. PE =)2 kx? Z(850X.33) b. What is the kinetic energy of the stone once it was released? PEERE c. What is the velocity of the stone as soon as the slingshot was released?
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2. A spring that has spring constant k = 360 N/m is compressed by x = 9 cm. When the spring is released, all its energy is transferred to a 22 g marble ball.
1. A roller-coaster car with a mass of 1200 kg starts at rest from a point 20 m above the ground. At point B, it is 9 m above the ground. [Express your answers in kilojoules (kJ).] a. What is the initial potential energy of the car? b. What is the potential energy at point B? c. If the initial kinetic energy was zero and the work done against friction between the starting point and point B is 40 000 J (40 kJ), what is the kinetic energy of the car at point B 2. The time required for one complete cycle of a mass oscillating at the end of a spring is 0.80 s. What is the frequency of oscillation?
A 15 kg crate has potential energy of 225j. How high is the crate lifted? Use g= 9.8m/s^2. DONT round your answer and choose one correct answer with the correct unit of measure. a. 22.9591 m b. 0.6533 m c. 1.53061 m d. 15.3061 m
a