o compare constant and variable forces, choose the best descriptions for each scenario: 5x-1 pounds OR 5 pounds • The force needed to lift a 5-pound brick is a Select ] force equal to [ Select ] • The force needed to compress a spring is a-[ Select ] * force that changes [ Select] as the spring gets more compressed or more stretched variable OR constant OR only when you use a different spring

Q: Problem 5. A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a…

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Q: Problem 3: A mass is sliding on a frictionless surface with a speed v. It runs into a linear spring…

A: a) Fspring = -kx  b) Wspring = -kx dx  c) Integrating with Limits x = 0  to x = xf  Wspring =…

Q: The fastest pitched baseball was measured at 46 m/s. Typically, a baseball has a mass of 145g. If…

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Q: I Reviev A box with mass m is launched up a ramp with coefficient of kinetic friction uk that is…

A: Draw the free-body diagram of the box when it is on the ramp:

Q: A 20.0 kg block is projected up an inclined slope by a force of 1250N acting on the block over a…

A: The free-body diagram for the above problem is shown below: Initially, the body is rest and acted…

Q: A swimmer has just jumped off a diving board. The swimmer has a mass of m = 56.4 kg and jumps off a…

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Q: Two identical springs are connected end to end. (a) Is the force constant of the resulting compound…

A: Part (a) Consider two springs of force constant k and joined end to end. If a force is applied on…

Q: A person jumps from the roof of a house 3.7-m high. When he strikes the ground below, he bends his…

A: Height of house h = 3.7 m Mass of the torso m = 46 Kg Distance s = 0.70 m Initial velocity of person…

Q: A 5.00 kg block is released from rest on a ramp that is inclined at an angle of 60.0° below the…

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Q: Quèstion 11 2 points "A 3kg particle moves along an x-axis according to v = 2 + 3t - 6t , with v in…

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Q: A 6.0-kg block initially at rest is pulled to the right along a frictionless, horizontal surface by…

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Q: Help me

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Q: Problem 7 A dockworker applies a constant horizontal force of 73.0 N to a block of ice on a smooth…

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Q: A man pushing a crate of massm = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal…

A: Given: The mass of the crate=m=92.0 kg The speed of the crate=v=0.875 m/s The length of the…

Q: A certain spring has a force constant k. (a) If this spring is cutin half, does the resulting half…

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Q: A 200-N sled of slides down a frictionless hillside that rises at 37° above the h magnitude of the…

A: We know that we have given The sled has a weight of W = 200 N and it slides down a frictionless…

Q: Komila knows that an egg breaks if it falls onto a concrete floor from a height of 0.4 mm. She…

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Q: What average force is required to stop a 1400 kg car in 8.0 s if the car is traveling at 85 km/h?…

A: Given data:  Mass (m) = 1400 kg Time interval (Δt) = 8.0 s Initial velocity (Vi) = 85 km/h Final…

Q: A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.860 m/s  encounters a rough…

A: Mass of the crate m=92.0 kg Length of the surface l=0.65 m The coefficient of kinetic friction…

Q: PS 4.3 The fastest pitched baseball was measured at 46 m/s. A typical baseball has a mass of 145 g.…

A: Given : v = 46 m/s m = 145 g = 0.145 kg s = 1 m

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass…

A: Given data: Horizontal force (F) = 13 N Mass of cart (m) = 27 kg Initial velocity (v0) = 0 m/s Time…

Q: You push a 2.0 kg block against a horizontal spring, compressing the spring by 15 cm. Then you…

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Q: The position of a 2 kg object is given as z(t) = 3t2 + 5, where z is in meters and t is in seconds.…

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Q: A dockworker applies a constant horizontal force of 81.0 N to a block of ice on a smooth horizontal…

A: Write the given data: Constant horiontal force=81.0 NFrictional force is negligibleDistance moved by…

Q: T3 6.) If two different forces can accelerate the same block from rest to the same final speed, then…

A: The equation for the average power is given by, Pavg=Fcosθvavg Here, F is the magnitude of the…

Q: The following information pertains to questions 1, 2, and 3. A workman pulls a sled across an…

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Q: 1. Which of the following statements is true? A) The force due to spring is a constant force B)…

A: Since You have requested multiple questions in one question. So, as per Bartleby Guidelines, we will…

Q: A 5.0 kg block initially at rest is pulled to the right along a horizontal surface by a constant…

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Q: As shown above an adhesive has been applied to contacting faces of two blocks so that the blocks…

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Q: A cart that can move along a straight track has a mass of 3.00 kg and an initial velocity of 4.00…

A: In this question we are given that a cart that can move along a straight track has a mass of 3.00 kg…

Q: A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 276N at a speed of v =…

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Q: A dockworker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal…

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Q: Istahp. A constant force F= 5.0 [N] is applied at a certain angle from the horizontal on a 0.50 [kg]…

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Q: An Athlete pulls a 20 kilograms crate along Lane A of the storage house. Lane A is a 15m  aisle.…

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Q: Whether or not an object (such as a plate, glass, or bone) breaks upon impact depends on the average…

A: Consider the initial speed of the glass figure be u0, that is zero because it falls from rest, its…

Q: Calculate the force needed to bring a 450-kg canoe to rest from a speed of 10.8 km/h in a distance…

A: The speed in m/s is Using kinematics, The negative sign indicates that the canoe is decelerating.

Q: 7. Two bodies A and B in the figure shown are separated by a spring. Their motion down the incline…

A: Given Two bodies A and B in the figure shown are separated by a spring. Their motion down the…

Q: A baseball (m = 145g) traveling 40 m/s moves a fielder's glove backward 27 cm when the ball is…

A: Given that                          The mass of the base ball (m) = 145g,…

Q: Calculate the force needed to bring a 900 kg car to rest from a speed of 90.0 km/h in a distance of…

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Q: On the top of an 80 m tall building, there is a spring of 100 N/M were located 6.22 m away from the…

A: When spring is compressed by x then potential energy stored in the spring is given as U=12kx2Where x…

Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.880 m/s encounters a rough horizontal…

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Q: A 600 g particle moving along the r-axis experiences the force shown in (Figure 1). The particle's…

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.