A worker is trying to drop a 10 kg boulder off a 10 m high cliff.. At this particular location, gravity is 10 N/kg. the worker wants to know the speed of the boulderat various points above the road: a) 10 m, b) 8.0 m, c) 3.0 m, d) 0 m

Q: A variable force F = 3x²î acts on an object with mass m= 2kg from x=0 to x = 4 meters, where F is in…

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Q: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

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Q: NUME O A 70 kg man runs up a long flight of stairs in 4 s. The vertical height of the stair is 4.5m.…

A: 1. Given :  m = 70 kg t = 4 s h = 4.5 m

Q: A child and sled with a combined mass of 52.5 kg slide down a frictionless hill that is 7.08 m high…

A:

Q: Three objects with masses m, = 5.00 kg, m, = 10.0 kg, and m3 = 15.0 kg, respectively, are attached…

A: Let v be the velocity of all the blocks after m3 moves down 4 m.Write the expression for net-work…

Q: A frictionless block of mass 0.5 kg slides down a ramp of height 0.8 m and onto a horizontal…

A: Mass of the block is m = 0.5 kg Height of the ramp is h = 0.8 m Acceleration due to gravity is g =…

Q: Coal is lifted out of a mine a vertical distance of 61 m by an engine that supplies 655 W to a…

A:

Q: A box with mass m = 1.5 kg is sliding with a speed of 4.0 m/s on a horizontal surface. When at x =…

A: From work-energy theorem:

Q: A 40.0-N crate starting at rest slides down a rough 6.00-m-long ramp, inclined at 30.0° with the…

A: Answer:-  Given  Distance (s) = 6.00 m  Angle (A) = 300  Acceleration due to gravity (g) = 9.8 m/s2…

Q: The 1.5 kg physics book in figure is connected by a string to a 350 g coffee cup. The book is given…

A: The figure shows the free body diagram of the book. The figure shows the free body diagram of the…

Q: ˆı + 6ˆȷ) for a long time it is observed at the position ⃗rf = (13 ˆı + 8 ˆȷ) m with a speed of 1.5…

A: Given:- The mass of the space junk = 60 kg  the net force Fnet  =(  13 ^i+16^j )N  The initial…

Q: 3.70-kg particie is subject to a net force that varies with position as snown in the figure. The…

A: GivenMass of particle, m=3.70 kg

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Given:At x = 0u = 0.450 m/sMass of object, m = 3 kg

Q: A particle of mass 3.8 kg is constrained to move along the x-axis under a single force F(x) = -cx,…

A: The total mechanical energy of the particle at point A, EA=12mvA2   Substitute, EA=123.8 kg5.7…

Q: 8) A 60.0 kg student starts from rest (Point A) and slides 26.0 m down a hill where the average…

A: Given: Mass of student = 60 kg Length of the hill = 26 m Height of the hill = 17 m Frictional force…

Q: A traveler pulls on a suitcase strap at an angle 36º above the horizontal. If 809 J of work are done…

A: Given Work done is W=809 J Horizontal distance is d=19 m Angle is θ=36o

Q: 2. A 3.0 kg particle is pushed with a force given below. If its speed at x = 2 m is 1.70 m/s what is…

A: work done between x=2 m to x =4m can be simply found by finding the area of given graph between…

Q: In a physics lab experiment, a compressed spring launches a 40 g metal ball at a 35 ° angle.…

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Q: A box with mass 5.00 kg starts sliding down a ramp (1.00 m long) which is inclined at an angle…

A:

Q: An object starts from rest and moves a distance d due to the presence of a net force F_net. If the…

A:

Q: If you throw a ball with mass m upward to height h, the gravity does work? Choose the answer a)…

A: suppose we throw a ball upward to a height h then gravitational force will act on it in the vertical…

Q: 33.6-kg child starting from rest slides down a water slide with a vertical height of 14.0 m.…

A:

Q: puck’s

A: The work-energy theorem can be applied here, work done=change in kinetic energy Work done by a body…

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Given,

Q: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

A: Mass , m = 500 kg Velocity at point A , VA = 20 m/s To find = velocity at point B .

Q: A particle of mass 4 kg is subject to a net force that varies with position as shown in figure…

A:

Q: A 5kg block was released from rest on top of a quarter circular surface. If the vertical height from…

A: Given data:  Initial velocity = 0 m/s Mass (m) = 5 kg Vertical height (h) = 4 m Acceleration due to…

Q: How much work must be done by frictional forces in slowing a 1000.0 kg car from 19.8 m/s to rest?…

A: Given data:  Mass (m) = 1000.0 kg Initial velocity (Vi) = 19.8 m/s Final velocity (Vf) = 0 m/s…

Q: he force acting on a particle varies as in Figure P5.59. Find the work done by the force as the…

A: Part (a) Given data: The distance traveled is x=0 to x=8 m. From the figure the maximum force is…

Q: A ball of mass m = 1.80 kg is released from rest at a height h = 65.0 cm above a light vertical…

A: a)Apply law of conservation of energy

Q: As a 1.4×104 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down.…

A:

Q: A particle of mass 3.4 kg is constrained to move along the x-axis under a single force F(x) = -cx',…

A:

Q: A meteoroid of mass = 585 kg has a speed of 83.0 m/s when 700 km above the Earth. It is falling…

A:

Q: A 3.09-kg particle is subject to a net force that varies with position as shown in the figure. The…

A: Given: The mass of the particle is m=3.09 kg. According to work energy theorem: Kinetic…

Q: A force in the +x-direction with magnitude F(x) = 18.0 N - (0.530 N/m)x is applied to a 6.00 kg box…

A: Given: The force is Fx=18.0 N-0.530 N/mx. The mass of the box is 6.00 kg. The distance covered is…

Q: 38- As shown in the figure, an object with mass m = 0.4 is released from point A and passes through…

A: SOlution: As given that mass of the object m =0.4 kg hA =7 m hB = 3 m distance until B is x =12 m

Q: 10) A skier of mass 82.4 kg starts his run from rest. The skier drops 155 m vertically while skiing…

A: Given: Mass of skier, m=82.4 kg Initial height, H=155 m Final height, h=0 speed at bottom, v=10.0…

Q: and slides on the frictionless track shown in the figure below. (Assume h, 5.40 m.) A block of mass…

A: Given,

Q: 805 (8 In the figure, a frictionless roller coaster car of mass m =805. kg tops the first hill with…

A:

Q: 1) 4 m/s A cart starting from rest rolls down a hill and at the bottom has a speed of 4 m/s. If the…

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Q: If 10.00 hp are required to drive a 2,000-kg automobile at 80 km/h on a level road, what is the…

A: Given :  Power, P = 10.00 hp  mass, m = 2000 Kg  Velocity, v = 80 Km/h  Find : Total retarding force…

Q: How much energy is needed to slide a 10 kg object of a horizontal surface of coefficient of friction…

A: mass = 10 kg distance moved = 10 m coefficient of friction = 0.25

Q: A two-man bobsled has a mass of 290 kg. Starting from rest, the two racers push the sled for the…

A:

Q: AND ENERGY WORK, POWER, A force in the +x-direction with magnitude F(x) = 18.0 N - (0.530 N/m)x is…

A: The magnitude of the variable force, F=18 N-0.530 N/mx Mass of the box, m=6.00 kg Initial velocity,…

Q: An object starts from rest and moves a distance d due to the presence of a net force F_net. If the…

A: Option- a is correct answer. Since change in kinetic energy produced work done . So E=F×d Where E =…

Q: A 2.1*10^3-kg car starts from rest at the top of a 5.0-m-long driveway that is inclined at 20.0…

A: Given, A car is at the top of a driveaway and which has some friction and car starts at rest

Q: A stone can slide down one of three different frictionless ramps, as shown in the figure. For which…

A: According to work energy theorem,   Work Done= Final kinetic energy- Initial kinetic energy But work…