Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 3, Problem 41QAP
(a)
To determine
The acceleration of refrigerator.
(b)
To determine
The time taken by the refrigerator to reach
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Chapter 3 Solutions
Understanding Our Universe
Ch. 3.1 - Prob. 3.1CYUCh. 3.2 - Prob. 3.2CYUCh. 3.3 - Prob. 3.3CYUCh. 3.4 - Prob. 3.4CYUCh. 3.5 - Prob. 3.5CYUCh. 3 - Prob. 1QAPCh. 3 - Prob. 2QAPCh. 3 - Prob. 3QAPCh. 3 - Prob. 4QAPCh. 3 - Prob. 5QAP
Ch. 3 - Prob. 6QAPCh. 3 - Prob. 7QAPCh. 3 - Prob. 8QAPCh. 3 - Prob. 9QAPCh. 3 - Prob. 10QAPCh. 3 - Prob. 11QAPCh. 3 - Prob. 12QAPCh. 3 - Prob. 13QAPCh. 3 - Prob. 14QAPCh. 3 - Prob. 15QAPCh. 3 - Prob. 16QAPCh. 3 - Prob. 17QAPCh. 3 - Prob. 18QAPCh. 3 - Prob. 19QAPCh. 3 - Prob. 20QAPCh. 3 - Prob. 21QAPCh. 3 - Prob. 22QAPCh. 3 - Prob. 23QAPCh. 3 - Prob. 24QAPCh. 3 - Prob. 25QAPCh. 3 - Prob. 26QAPCh. 3 - Prob. 27QAPCh. 3 - Prob. 28QAPCh. 3 - Prob. 29QAPCh. 3 - Prob. 30QAPCh. 3 - Prob. 31QAPCh. 3 - Prob. 32QAPCh. 3 - Prob. 33QAPCh. 3 - Prob. 34QAPCh. 3 - Prob. 35QAPCh. 3 - Prob. 36QAPCh. 3 - Prob. 37QAPCh. 3 - Prob. 38QAPCh. 3 - Prob. 39QAPCh. 3 - Prob. 40QAPCh. 3 - Prob. 41QAPCh. 3 - Prob. 42QAPCh. 3 - Prob. 43QAPCh. 3 - Prob. 44QAPCh. 3 - Prob. 45QAP
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- A box with a mass of 3.00 kg starts from rest at the top of a 32.5° incline and slides 2.00 m down the incline in 1.65 s. What is the magnitude of the acceleration of the box (in m/s2)? What is the frictional force (in N) acting on the box? What is the coefficient of kinetic friction between the box and the incline? What is the speed of the box (in m/s) after it has slid 2.00 m?arrow_forwardAn object has a mass of 50 kg and is accelerating at 20 m/s2 when it hits a brick wall. What is the force applied to the brick wall?arrow_forwardQ. The mass of a car is 1000 kg. How much force would be required to accelerate the car at a rate of 3 m/s2? The answer to this question isarrow_forward
- Bob pushes on a frictionless cart of mass 6.8 kg and the cart has an acceleration of 1.2 m/s2. If his friend Bill pushes twice as hard on an identical cart, what will be the acceleration? Your Answer: Answerarrow_forwardYou have a person pulling to the left with force 115 N, and another person pulling to the right with force 154 N. If both are pulling on a box with mass 2.3 kg, what is the acceleration of the box (in m/s²)? For this problem, define right as + and left as -. (If your answer is negative, do enter it as negative.) Your Answer: Answerarrow_forwardA person pushes block A (mass 3 kg) with a constant force of 10 N. Both blocks accelerate together at 2.31 m/s2 on a friction-less surface. What is the normal force that block B exerts on block A? Round your answer to two decimal points.arrow_forward
- What is the tension in the cable that is lifting a 3500 kg elevator if the upward acceleration of the elevator is 2.6 m/s2?arrow_forwardA stack of two crates is being accelerated upwards by two cables. The cables are directly attached to crate 1 and the tension in each cable is 3248 N. You may assume that the masses of the cables are negligible compared to the masses of the crates. The acceleration of the crates is? bottom crate crate 1 is 109 kg. the top crate is 248 kg.arrow_forwardA 4-kg object is falling with an acceleration of 7 m/s/s. What is the magnitude of the air resistance it experiences? A 200-g object fell and accelerated for 20 s over 10 m, from rest. What is its net force? A small cactus has fallen out of a plane. As it falls, it eventually reaches a constant velocity of 100 m/s due to an air resistance of 2 N. What is the weight of the cactus? An object of mass 200 g moving at a constant speed of 2 m/s has a net force closest toarrow_forward
- A speed skater moving across frictionless ice at 8.0 m/s hits a 5.0-m-wide patch of rough ice. She slows steadily, then continues on at 6.0 m/s. What is her acceleration on the rough ice?arrow_forwardFigure below shows the data from a bathroom scale as a woman jumps straight up and then lands. Match the answers with questions. Use g = 10 m/s². Still Push-off Landing Still F (N) In air 1500 - 1000- 500 I (s) 0.25 s v What is the acceleration of the jumper during the still phase? A. 10 m/s? v What is the acceleration of the jumper during the push-off phase? B. 5 m/s? v What is the acceleration of the jumper during the in-air phase? C. 5 m/s? v What is the acceleration of the jumper during the landing phase? D. 0 E. 20 m/s? F. -10 m/s? G. -20 m/s2 H. none of the givenarrow_forwardA 200-g box slides across a frictionless plane inclined at 30 degrees with respect to the horizontal. What is is its acceleration in m/s2?arrow_forward
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