Problem 4.70 Part I a scale in an elevator A 67.0-kg person stands on What does the scale read (in N) when the elevator is accelerating downward at 3.0 m/s? ? Express your answer using two significant figures. Hνα ΑΣφ N = Request Answer Submit

Q: Part (b) What is the ratio of the normal forces, A to B? NAINB = ||

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Q: Problem 4 A 2500 N crate is on a frictionless inclined plane that is 42 degrees above the…

A: Given value--- applied force = 2500 N. angle = 42 degree . We have to find--- a. What is the mass…

Q: 3. Gabby threw her ball vertically upwards with a force of 20 N. At the same time, an eastern wind…

A: Upwards force (F) = 20 N (north)Force exerted by wind (f) = 5 N (east)

Q: A helicopter of mass 9205 kg is hovering 30.5 meters above a field. The helicopter moves…

A: Given information: Mass of the helicopter (m) = 9205 kg The horizontal thrust force (Fh) = 29824 N…

Q: Notice that as soon as the crate begins to move, it starts to accelerate. Can you explain why? After…

A: Given: Coefficient of static friction = 0.26 Coefficient of kinetic friction = 0.19

Q: Question 3. A block of mass m rests on a frictionless incline. Normally, the block would slide down,…

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Q: 1. A basket ball is left in the bed of a pick-up truck. Describe what happens to the ball when the…

A: Introduction: According to Newton's first law of motion, a body does not change its state of motion…

Q: Open Response #3 Mr. Comer's Jeep has a mass of 1800kg. He is driving down the road when he sees…

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Q: 1. Two pulleys A and B shown are supported by a system of light cords and pulleys, which are…

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Q: Homework #4 (Chapter 5) ** 8. A bullet of mass 100 grams is uniformly accelerated down an 80-cm…

A: Given information:Mass of the bullet (m) = 100 g =0.1 kgLength of the barrel (l) = 80 cm = 0.8…

Q: estion 3 of 4 Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of…

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Q: 1. Solve the following using Newton's Laws of Motion (First and Second Laws): a) What is the mass…

A: Given Net force on the block = 325 N Acceleration of the block = 2.74 m/s2 We have to calculate the…

Q: Problem 4.34 Block A rests on top of block B as shown in (Figure 1). The table is frictionless but…

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Q: Question 1. An elevator accelerates upward with an acceleration a. Assuming the elevator and its…

A: Given data: The upward acceleration of the elevator = a The total mass of the passengers = m Tension…

Q: 3. Two blocks connected by a string are pulled across frictionless surface by a force applied to one…

A: (given) Mass (mA) of block A = 1 kg Mass (mB) of block B = 3 Kg Acceleration (a) of each block to…

Q: Three boxes are connected with ropes. a) what is the acceleration for all three boxes? b) what are…

A: Given Mass of the three boxes are m1=30 kg, m2=20 kg and m3=80 kg   We have to find the acceleration…

Q: Part A Two forces, F1 and F2, act at a point. Fi has a magnitude of 8.80 N and is directed at an…

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Q: I need help with this question

A: Given data: Forward force = 250 N Backward force = 220 N   Solution: The equation of additional…

Q: 1. Two forces of 4.0N, east; and 3.0N, northeast, act on a particle. Find the resultant force acting…

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Q: Practice Problems Explain your ans 6. An object experiences a rightward force of 5 N, a leftward…

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Q: Constants I F You're using a rope to pull a sled at constant velocity across level snow,with…

A: (a) Using Newton’s second law,

Q: A Problem 01: Newton's 2nd Law Blocks A, B, and C weigh 500N, 250N, and 120N respectively, and the…

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Q: Problem 2: An object weighing 5N has an inifial velocity of 180 km per hour. If the coefficient of…

A: weight of object = mg = 5 N mass = m = 5g=59.8=0.51 kg initial velocity = V0= 180 km/h = 180 x 518 =…

Q: Exercise 4: In a forward punch in karate, the fist begins at rest at the waist and is brought…

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Q: During a high speed chase, a fast running mouse collided with an elephant . The mouse rolled back…

A: Part A:As the mouse collide with an Elephant the Mouse applies a force on the elephant. Hence,…

Q: Problem 1 A 85 kg block of ice is on a frictionless ramp that is 22 degrees above the horizontal. .…

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Q: QUESTION 4 (COLLAB) Simulate projectile motion with air resistance in PhysLab. A shuttlecock is…

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Q: A QUESTION 10 Blocks A and B have weights of 52 N and 23 N, respectively. Determine the minimum…

A: givenWA=52 NWB=23 Nμs=0.22

Q: Homework 2 NAME: Question 1. An object is pushed with a constant force. PHYS 2100-09-LAB, SPRING…

A: a)The relation of force, mass and acceleration is given by the Newton’s second law.

Q: PRACTICE ANOTHER Suppose the mass of a fully loaded module in which astronauts take off from the…

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Q: Part E If an 800 N painter stands at point A, find the tension in the horizontal rope. Express your…

A: It is given that, F1=480+360 =840 NF2=800 N

Q: 3. (a) Assuming that the system is accelerating at 2.90 m/s2, determine the mass m in the system.…

A: We have 2 masses of m and 60 kg in the pulley system acceleration with a=2.9 m/s2. The plane is…

Q: What is the acceleration of an object of mass 21.0 kg if a net force of 68.4 N is applied to it in…

A: Given data:  Mass (m) = 21.0 kg Force (F) = 68.4 N Required: Acceleration (a)

Q: 57. (next 2 questions) A block of mass m is pulled along a horizontal surface at constant speed v by…

A: Mass is pulled by a constant speed , by a force Fapp ,at an angle theta to the horizontal. Also the…

Q: DRAW A FREE BODY DIAGRAM. Don't forget to label each vector.

A: Draw the free-body diagram of the block.

Q: Question 12: A block of mass m is released at rest at height h. It is undergoing a circular motion…

A: We know the Law of conservation of energy Total energy at point A= Total energy at point B Now , Law…

Q: A person pushes a 12.5 kg lawn mower at constant speed with a force of 82.5 N directed along the…

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Q: Concep Test 5.6b Going Up I A block of mass m rests on the 1) N > mg floor of an elevator that is 2)…

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Q: ▼ Part B Consider the force exerted by a spring that obeys Hooke's law. Find where and the spring…

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Q: A horizontal force of 120N pushes a 15 kg block up a frictionless incline that makes an angle of 43°…

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Q: Part A How much tension must a rope withstand if it is used to accelerate a 1240 kg car horizontally…

A: We need to calculate tension in the rope so that it can accelerate a block of mass 1240 kg at 1.25…

Q: 3. Two blocks A and B are connected by a rope and pulled with some force F along a frictionless…

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Q: Problem 3: A 38.8-kg crate is being pushed at a constant speed by a force of 311 N at an angle of 29…

A: Given data: Mass of a crate, m=38.8 kg Force, F=311 N Angle below the horizontal, θ=290

Q: 3. A delivery person slides a 15-kg box of kitchen supplies from his truck using a metal slider. It…

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Q: Example 3: A ball of mass (m,) and a block of mass (m2) are attached by a light weight cord that…

A: Given data: The mass of ball is m1. The mass of block is m2.

Q: Problem 5.49 You've always wondered about the acceleration of the elevators in the 101-story-tall…

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Q: 1. If the acceleration of an object is zero, are no forces acting on it? Explain. 2. If an object is…

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Q: Concep Test 5.6a Going Up I A block of mass m rests on the floor of 1) N > mg an elevator that is…

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Q: Situation 2 The 200-lb man walks up the inclined plank of negligible weight. The coefficients of…

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