f the motor exerts a constant force of 300 N on the cable, determine the speed of the 20-kg crate when it travels s = 10 m up the plane, starting from rest. The coefficient of kinetic friction between the crate and the plane is μk = 0.3.

Q: Find the gravitational potential energy of the child-Earth system

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Q: Consider a rope lowering a mass m=2.45kg at a constant speed v=8.73 m/s down a distance of d=5.72 m…

A: Mass attached to the rope, m=2.45 kg Constant speed of the mass moving down, v=8.73 m/s Distance…

Q: A 900 kg car cruises for a distance of 380 meters by applying a force of 2700N against 900N of…

A: Given data:  Mass (m) = 900 kg Displacement (d) = 380 m Applied force (F) = 2700 N Frictional force…

Q: In the figure below, a 1400 kg block of granite is pulled up an incline at a constant speed of 1.70…

A: Given: In this question, the given details are, The given figure is, A m=1400 kg block of granite…

Q: A 250-N child is in a swing that is attached to a pair of ropes 1.80 m long. Find the gravitational…

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Q: A 10 kg block is pulled across a horizontal surface by a rope as shown in the figure with 0 = 60.…

A:

Q: The figure below shows a 1.80 ✕ 104-N car rolling down a ramp inclined at an angle of  θ = 35.0°…

A: Write the expression for work done by gravity

Q: An elevalor has a mass of 2500 kg. Calculate the power required to lift it a vertical distance of 50…

A: given kg mass is 2500 kg accelaration due to gravity is 9.81 m/s distance travelled is 50 m time…

Q: You push a supermarket cart 24.5 m at constant speed on level ground, against a 33.7 N frictional…

A: Given:                d= 24.5 mFf= 33.7Nθ = 22.90 From work energy Theorem :                 Work…

Q: The following question has multiple parts please work them in the order shown. Part A) Let's say the…

A: (A) Since the boxes are not moving the pulling force is exactly balanced by the friction force. So…

Q: Consider blocks A with mass of 8.25 kg and B with mass of 14.6 kg connected as shown. Block A is…

A: Given information: The masses of the block: mA = 8.25 kg mB = 14.6 kg The spring constant (k) = 925…

Q: A 31.0 kW electric motor drives a vehicle at an average velocity of 9.20 m/s.  Assuming a constant…

A: Given data: Power (P) = 31.0 kW Velocity (v) = 9.20 m/s Required: Force (F)

Q: A 20.0kg crate is subjected to a constant force of 100 N as shown in the figure. When the distance…

A:

Q: 64° to the b h

A: Given: Mass of train is 3.3×106Kg Angle is 64o Power is 14 MW

Q: A mechanic uses a chain and bloc pulley to lift a 875-kg engine 4.0 m to the top of the garage. the…

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Q: A figure shown a motor pulling an object in an inclined surface. determine the power required to…

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Q: Calculate the kinetic energy of the stone at the end of the 6-m frictionless inclined plane. A. -8…

A: By applying conservation of energy,  Kinetic Energy at bottom=Potential Energy at top Hence, Kinetic…

Q: Aminah and Ahmad get into an elevator which has a mass of 1500 kg. Both Aminah and Ahmad weight 50…

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Q: A 63.0 kg skier approaches the foot of a hill with a speed of 15.0 m/s. The surface of this hill…

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Q: A 20.0-kg cart slides down an inclined plane from a height of 3.0 m to the ground. Determine the…

A: Write the expression for change in potential energy

Q: In the figure below, a 1400 kg block of granite is pulled up an incline at a constant speed of 1.70…

A:

Q: If a force of 1000 N moves a 40-m object in a time of 5.0, find the power generated by this force.…

A: Given data:  Force (F) = 1000 N Displacement (d) = 40 m Time (t) = 5.0 s Required: Power (P)

Q: Question 2 5 points Save Answer An object with a mass of 74.0 kg is pulled up an inclined surface by…

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Q: A0.653-kg basketball is dropped out of a window that is 5.01 m above the ground. The ball is caught…

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Q: A 20.0 kg box slides down a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A…

A: mass of box (m) = 20 kg length of incline (d) = 12 m θ = 30oforce applied to pull the box up the…

Q: How much work is required to move it at constant speed 5.0 mm along the floor against a friction…

A: Frictional force (f) = 350 N Distance moved (d) = 5 mm  = 0.005 m  Speed (v) = constant

Q: A 280-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational…

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Q: st a friction

A: Given: Mass of crate is 1200 N Constant speed is 5 m Friction force is 210 N

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A: According to conservation of total mechanical energy, the sum of kinetic energy and potential energy…

Q: 440-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational…

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Q: A 200-N child is in a swing that is attached to ropes 2.10 m long. Find the gravitational potential…

A: a) When ropes are horizontal, the expression for find gravitational potential energy of the…

Q: A car (m = 1000. kg) is moving uphill at a constant speed. The maximum power output is 140 hp…

A: Write the given values with the suitable variables. m=1000 kgP=140 hp=140×746 W=104440 Wμ=0.6θ=37°…

Q: A 1200-N crate rests on the floor. How much work is required to move it at constant speed 5.0 m…

A: Given: A 1200 N crate rests on the floor. The constant speed is 5m. The given friction force is 210…

Q: cinetic friction

A: Given: Mass of bundle is 3.32 Kg Kinetic energy is 109 J Kinetic friction coefficient between bundle…

Q: The values for a, b, c and d are: (Enter the four values without spaces.)

A: power =force * velocity

Q: A 360-N child is in a swing that is attached to a pair of ropes 2.10 m long. Find the gravitational…

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Q: Objects with masses m,=15.0kg and m,=6.0 kg are connected by a light string that passes over a…

A: Given: Mass 1 ,m1=15 kg Mass 2, m2=6 kg Distance, h=1.3 m To find: Speed of the blocks

Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.00 m at…

A: Given, Weight of the barbell=400N height=2 m t=1.60 s

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Q: Let's work through an example to find the power output of a motor. An electric motor is used to run…

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Q: Determine the work done by an electric motor lifting an elevator and its occupants weighing 2200 lb…

A: Given :     Weight of the elevator + occupants, F = 2200 lb     Distance between each floor = 15 ft…

Q: In 1.38 minutes, a ski lift raises four skiers at constant speed to a height of 137 m. The average…

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Q: A 10 kg block experiences a frictional force of 8.66 N as it slides 2m down an incline as shown. As…

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Q: An elevator is  pulled 4.00m upwards from rest with a rope under 13000N of tension. The weight of…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. 1. Take…

Q: Three objects with masses m, = 6.6 kg, m, = 14 kg, and m, = 16 kg, respectively, are attached by…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.